Sample records for alexandria mn public

  1. Writings for acquisition : Hellenizing Alexandria, Egypt

    E-Print Network [OSTI]

    Saad, Philippe Charles

    2005-01-01T23:59:59.000Z

    This research work started with the exploration of E.M. Forster's major publication on Alexandria published in 1922, Alexandria a History and a Guide, considered until now 'the Classical Guide for Alexandria;' or ironically ...

  2. Alexandria Digital Earth ProtoType The Alexandria Digital Earth

    E-Print Network [OSTI]

    Janée, Greg

    Alexandria Digital Earth ProtoType The Alexandria Digital Earth Prototype System Terence Smith Greg Janée James Frew Anita Coleman #12;Alexandria Digital Earth ProtoType 2Smith et al. / JCDL 2001 / 2x Earth ProtoType 3Smith et al. / JCDL 2001 / 2x-Jun-2001 Core System (inherited from ADL) Components

  3. Department of Pharmacognosy1 , Faculty of Pharmacy, University of Alexandria, Alexandria, Egypt; Department of Pharma-

    E-Print Network [OSTI]

    Department of Pharmacognosy1 , Faculty of Pharmacy, University of Alexandria, Alexandria, Egypt Ela, Pharmacognosy Department, Faculty of Pharmacy, Alexandria University, 21521 Alexandria, Egypt of air-dried powdered roots of Artemisia monosperma growing in Egypt afforded two new compounds; 6

  4. Alexandria Digital Library Project Content Access Characterization

    E-Print Network [OSTI]

    Janée, Greg

    Alexandria Digital Library Project Content Access Characterization in Digital Libraries Greg Janée · James Frew · David Valentine University of California, Santa Barbara #12;Alexandria Digital Library environments e.g., GIS #12;Alexandria Digital Library Project Janée, Frew, Valentine · Content Access

  5. alexandria university hospitals: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    of Pharmacognosy1 , Faculty of Pharmacy, University of Alexandria, Alexandria, Egypt; Department of Pharma- Multidisciplinary Databases and Resources Websites Summary:...

  6. Alexandria Clark | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't Your Destiny: The Future of1Albuquerque, NM - BuildinginauguralAlexandria Clark About Us

  7. U.S. ARMY CORPS OF ENGINEERS Conflict Resolution & Public Participation Center of Expertise 7701 Telegraph Rd., Alexandria, VA 22315. www.iwr.usace.army.mil/cpc

    E-Print Network [OSTI]

    US Army Corps of Engineers

    a Shared Vision Planning and Public Involvement process in support of a "Responses to Climate Change" Pilot services, training, and courses on public involvement, risk communication and collaborative modeling. CPC during the 2011 Mississippi Flood Fight, Collaboration & communication during the 2011 Missouri Flood

  8. Alexandria Digital Library Project The ADEPT Digital Library

    E-Print Network [OSTI]

    Janée, Greg

    Alexandria Digital Library Project The ADEPT Digital Library Architecture Greg Janée gjanee@alexandria.ucsb.edu James Frew frew@bren.ucsb.edu #12;Alexandria Digital Library Project 2Greg Janée, James Frew · JCDL 2002-level metadata: buckets constraint types metadata mapping standard buckets Collection discovery Current

  9. CARBON MANAGEMENT TECHNOLOGY CONFERENCE OCTOBER 21-23, 2013 Hilton Alexandria Old Town Alexandria, Virginia Page 1

    E-Print Network [OSTI]

    Mohaghegh, Shahab

    CARBON MANAGEMENT TECHNOLOGY CONFERENCE OCTOBER 21-23, 2013· Hilton Alexandria Old Town· Alexandria University Abstract Carbon Capture and Storage (CCS) projects are subject to monitoring and verification) on Mt. Simon sandstone (USA) #12;CARBON MANAGEMENT TECHNOLOGY CONFERENCE OCTOBER 21-23, 2013· Hilton

  10. Alexandria Biomass Facility | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnualProperty EditCalifornia: Energy Resources Jump to: navigation, searchAlcoa JumpAlexandria

  11. Alexandria fluidized-bed process-development plant: bubble characteristics

    SciTech Connect (OSTI)

    Not Available

    1982-12-01T23:59:59.000Z

    Recent studies at DOE's Alexandria Atmospheric Fluidized-Bed Combustion (AFBC) Process Development Unit (PDU) have involved experimental verifications of predictions from the Massachusetts Institute of Technology's Coal AFBC Systems Model. Although Model predictions were quite accurate in many instances, there appeared to be several significant discrepancies between predicted values and association experimental data from the 3' x 3' (nominal) combustor at Alexandria. Experimental work at Alexandria related to the MIT Model was initiated in 1980. Readers should consult previous reports for an evaluation of the Model and a comparison between the Model predictions and Alexandria experimental data. As a result of these studies, a number of information gaps within the Model's database were identified, primarily related to the fluid dynamics submodel, which might account for some of the discrepancies noted. In an attempt to support further development and calibration of the MIT Model, facilities at the Alexandria PDU were committed to providing experimental data to alleviate some of the information gaps. The specific information gap focused upon during the period of January to August 1982 involved the bubble growth submodel within the fluid dynamics portion. The specific objective involved a series of tests designed to measure bubble characteristics within both cold and hot beds. Measurements were made under a variety of different conditions. The insights gained from the bubble characteristic related testing have been passed on to DOE and MIT, and used as the basis for implementing additional model refinements. Additional model verification activity is being carried out by DOE/METC. It is recognized that additional work will be necessary for the FBC Model to achieve the goal of being a useful aid for boiler designers.

  12. Comments of the City of Alexandria Virginia to the U.S. Department...

    Broader source: Energy.gov (indexed) [DOE]

    Virginia ("Alexandria") hereby submits these Comments to the Special Environmental Analysis ("SEA") for Actions Taken under U.S. Department of Energy ("DOE") Emergency...

  13. The Nile River Delta Coast and Alexandria Seaport, Egypt: A Brief Overview of History, Problems, and Mitigation

    E-Print Network [OSTI]

    Wiegel, Robert L.

    2009-01-01T23:59:59.000Z

    Seminar on Nile Delta Sedimentology held in Alexandria, 25-Seminar on Nile Delta Sedimentology Held in Alexandria, 25-Seminar on Nile Delta Sedimentology 1975, Vol. 1, pp 131-147

  14. City of Alexandria's Application for Rehearing | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the YouTube platformBuilding RemovalCSSDepartmentDepartment ofCity and County ofAlexandria's

  15. Response by PJM to letters from the City of Alexandria and the...

    Broader source: Energy.gov (indexed) [DOE]

    of Alexandria (the "City") have filed letters asserting an imminent breach of the Order. PJM responds to those letters and takes issue both (i) with the assertion of an imminent...

  16. United States of America Department of Energy Environmental Management Advisory Committee Public Meeting

    SciTech Connect (OSTI)

    Not Available

    1993-12-01T23:59:59.000Z

    This reports contains documentation of presentations given at the United States of America Department of Energy Environmental Management Advisory Committee Public Meeting held December 14--15, 1993 in Alexandria, Virginia.

  17. R~print & Copyright @ by Aerospace Medical Association, Alexandria, V A

    E-Print Network [OSTI]

    Boppart, Stephen

    R~print & Copyright @ by Aerospace Medical Association, Alexandria, V A w. P. ROACH, M.S., Ph.D., M, B.S., and CRAIG M. BRAMLETTE, A.S. ROACH WP, ROGERS ME, ROCKWELL BA, BOPPART SA, STEIN CD, BRAMLETTE

  18. American Statistical Association Names Fellows for 2010 ALEXANDRIA VA (PRWEB) MAY 20, 2010 The American Statistical Association (ASA), the

    E-Print Network [OSTI]

    Ponce, V. Miguel

    American Statistical Association Names Fellows for 2010 ALEXANDRIA VA (PRWEB) MAY 20, 2010 ­ The American Statistical Association (ASA), the nation's preeminent professional statistical society, today the American Statistical Association The American Statistical Association (ASA), a scientific and educational

  19. Sedimentary processes of the Red River between Denison Dam, TX and Alexandria, LA

    E-Print Network [OSTI]

    Weirich, Thomas Moody - Kenyon

    1990-01-01T23:59:59.000Z

    Figure 1. Location map of study area along the Red River. . . . . . . . . . . . . 2 Figure 2. Location map of reach blocked by the natural raft. . . . . . . . . 12 Figure 3. Suspended sediment concentration and volumetric flow diagram. Figure 4... and sinuosity values between Temple, AR and Alexandria, LA. Table 3. Sinuosity values of the Red River course 1892, 1938, 1983. . 62 Table 4. Sieve analysis of alluvial flood plain samples. . . . . . . . . . . . . . . 76 INTRODUCTION The Red River...

  20. Request from City of Alexandria for Public Disclosure of Documents Related

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 1112011 Strategic2 OPAM615_CostNSAR -Department ofEMSpent Nuclear FuelsPaylor, Director of theto

  1. Request from City of Alexandria for Public Disclosure of Documents Related

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn'tOrigin ofEnergy at Waste-to-Energy using Fues CellsReportDepartment ofRequest forPaylor,Gasto

  2. ASA HONORS 63 NEW FELLOWS ALEXANDRIA VA, JUNE 11, 2014 The American Statistical Association (ASA), the nation's preeminent

    E-Print Network [OSTI]

    Zhu, Mu

    1 ASA HONORS 63 NEW FELLOWS ALEXANDRIA VA, JUNE 11, 2014 ­ The American Statistical Association the American Statistical Association The American Statistical Association is the world's largest community information about the American Statistical Association, please visit the ASA website at www

  3. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Earthquake Engineering and Structural Dynamics Engineering Institute Publications-Earthquake Engineering and Structural Dynamics Contact Institute Director Charles Farrar (505)...

  4. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Publications-Sensors and Sensing Technologies Contact Institute Director Charles Farrar (505) 663-5330 Email UCSD EI Director Michael Todd (858) 534-5951 Professional Staff...

  5. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Engineering Institute Publications-Damage Prognosis Contact Institute Director Charles Farrar (505) 663-5330 Email UCSD EI Director Michael Todd (858) 534-5951 Professional Staff...

  6. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOnItemResearch > TheNuclear Press Releases ArchiveServicesPublication PolicyPublications

  7. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOnItemResearch > TheNuclear Press Releases ArchiveServicesPublication PolicyPublications

  8. Alexandria fluidized-bed process development unit: cold-mode testing

    SciTech Connect (OSTI)

    None

    1981-02-01T23:59:59.000Z

    The objectives of the current test program include: validation of predictions from the Massachusetts Institute of Technology (MIT) Coal Atmospheric Fluidized Bed Combustor System Model; experimental studies supporting AFBC process developments; and the collection of transient data for process control design. This topical report summarizes results from cold mode testing, i.e., experiments performed without combustion for MIT Model verification. During these tests, sulfated limestone (generated from normal AFBC operations) was fluidized with air at temperatures ranging from 80 to 500/sup 0/F in the 3' x 3' (nominal) size PDU at Alexandria, VA. The MIT Model predictions tested include: slumped bed height, minimum fluidization velocity, and expanded bed height. In all cases, there were large discrepancies between the Model predictions and corresponding experimental results. Other results obtained included solids size distribution and particle size profiles in the bed. Size distribution was adequately modeled by the Rosin-Rammler equation. No transient process data was collected due to hardware problems with the Data Acquisition System. Tests were also performed to determine the effect of maldistribution of air, caused by leaks in the air distributor, on experimental results. The data indicated that effects of these leaks seemed to be undetectable.

  9. Alexandria fluidized-bed process-development unit. Hot-mode testing

    SciTech Connect (OSTI)

    Not Available

    1982-12-01T23:59:59.000Z

    The objectives of the current test program include validation of predictions from the Massachusetts Institute of Technology (MIT) Atmospheric Fluidized Bed Coal Combustor System Model, continuation of experimental studies supporting AFBC process development, and collection of transient data for later process control studies. This topical report summarizes results from hot mode testing, i.e., experiments performed with combustion in the Process Development Unit for Model verification. During these tests, coal and limestone were fluidized and combusted with air at temperatures ranging from 1400 to 1580/sup 0/F in the 3' x 3' (nominal) size Process Development Unit (PDU) at Alexandria, Virginia. MIT Model predictions tested include: combustion efficiency, carbon loading, gas and solids concentrations, bed temperature, expanded bed height, overall heat transfer coefficient and sulfur retention by the coal/limestone system. Although not corresponding exactly, the Model predictions and experimental values for the overall heat transfer coefficients were relatively close in agreement. In all other cases, there were some discrepancies between the Model predictions and corresponding experimental PDU results. Transient process data were collected by the Data Acquisition System (DAS). Six parameters were recorded continuously on a six channel recorder. Variances were observed in the recorded transient data in response to input step changes.

  10. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeedingTechnical News,Program90803|Publications Resources Policies, Manuals

  11. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeedingTechnical News,Program90803|Publications Resources Policies,

  12. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeedingTechnical News,Program90803|Publications Resources

  13. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeedingTechnical News,Program90803|Publications ResourcesSensing

  14. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeedingTechnical News,Program90803|Publications ResourcesSensingLee Ā»

  15. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeedingTechnical News,Program90803|Publications ResourcesSensingLee

  16. Comments from the City of Alexandria in Support of the Comments...

    Broader source: Energy.gov (indexed) [DOE]

    to Commence Planned Transmission Outages More Documents & Publications Response from PEPCO to the Comments from the Virginia Department of Environmental Quality on PEPCO's...

  17. Comments of the City of Alexandria Virginia to the U.S. Department of

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't Your Destiny: Theof"Wave the WhiteNational Broadband PlanSpaceComments ofPublic

  18. Alexandria folio, South Dakota 

    E-Print Network [OSTI]

    Todd, J. E. (James Edward), 1846-1922.

    1903-01-01T23:59:59.000Z

    Committee Members, M. Deborah Bialeschki Jan Hughes Corliss Outley David Scott Head of Department, Gary Ellis May 2009 Major Subject: Recreation, Park, and Tourism Sciences iii ABSTRACT ?At Home, I?m Clark Kent. At Camp, I?m Superman... and external assets that build strength (Scales, Benson, Leffert, & Blyth, 2000) form the foundation for preparing youth for adulthood, and ultimately their full engagement in society. This preparation necessitates supports and opportunities for positive...

  19. NREL: Publications - Obtain Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    sheets, technical reports, and more-from the following sources: NREL Publications Database Search for publications and bibliographic citations using our database. Many...

  20. Highly Active Yeast MnSOD has a Novel Mechanism Involving Six-coordinate Mn(3+) Species

    E-Print Network [OSTI]

    Sheng, Yuewei

    2012-01-01T23:59:59.000Z

    2009) Functional roles of the tetramer organization of malicGrez, M. (2010) Dimer-tetramer transition controls RUNX1/ETOdimer, Å) Mn•••Mn (A/C, tetramer, Å) Mn•••Mn (A/D, tetramer,

  1. Structure and magnetic properties of rf thermally plasma synthesized Mn and MnZn ferrite nanoparticles

    E-Print Network [OSTI]

    McHenry, Michael E.

    Structure and magnetic properties of rf thermally plasma synthesized Mn and MnĀ­Zn ferrite has previously been shown to be a viable route to producing nanocrystalline magnetite and Ni ferrite nanoparticles. In this work nanocrystalline powders of Mn and MnĀ­Zn ferrites have been synthesized using a 50 k

  2. 1 Public Policy and Public Administration PUBLIC POLICY AND PUBLIC

    E-Print Network [OSTI]

    Vertes, Akos

    1 Public Policy and Public Administration PUBLIC POLICY AND PUBLIC ADMINISTRATION Through its Trachtenberg School of Public Policy and Public Administration, Columbian College of Arts and Sciences offers the Master of Public Policy, Master of Public Administration, and the Doctor of Philosophy in the field

  3. Effect of Mn Concentration on the Structural, optical and Magnetic Properties of GaMnN

    SciTech Connect (OSTI)

    Thaler, G.; Frazier, R.; Gila, B.; Stapleton, J.; Davidson, M.; Abernathy, C.R.; Pearton, S.J.; Segre, C.U. (IIT); (Florida)

    2010-11-16T23:59:59.000Z

    The room temperature magnetization of GaMnN films grown by molecular beam epitaxy on (0001) sapphire substrates with Mn concentrations varying from 0 to 9 at. % was found to depend on Mn concentration, with a maximum magnetization found at -3 at. % Mn. High-resolution x-ray diffraction measurements show that the c-plane lattice constant initially decreases with increasing Mn concentration, then increases when the Mn content increases above -3 at. %. This increase is accompanied by a decrease in the full width at half maximum of the rocking curves. Extended x-ray absorption fine structure results indicate that the nonsubstitutional Mn is not present in the form of Ga{sub x}Mn{sub y} clusters and thus is most likely present in the form of an interstitial. Optical absorption measurements show only a slight increase in the band gap for material with 3 at. % Mn, relative to undoped GaN.

  4. Public Meetings

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Public Meetings Individual Permit: Public Meetings Subscribe to receive notifications for semiannual Individual Permit for Storm Water public meetings. Contact Environmental...

  5. Publication 424-031 Revised 2003

    E-Print Network [OSTI]

    Liskiewicz, Maciej

    MINNEAPOLIS MN 55440 T.A. SEEDS T.A. SEEDS PO BOX 300 AVIS PA 17721 VIRGINIA CORN HYBRID TRIALS IN 2003Publication 424-031 Revised 2003 #12;Virginia Cooperative Extension programs and employment of Cooperative Extension work, Virginia Polytechnic Institute and State University, Virginia State University

  6. Publication 452-125 Revised 2013

    E-Print Network [OSTI]

    Liskiewicz, Maciej

    Publication 452-125 Revised 2013 Virginia Tech Soil Testing Laboratory Routine (soil pH, P, K, Ca, Mg, Zn, Mn, Cu, Fe, B, and estimated CEC) $10.00 $16.00 Organic Matter ­ Determines percentage to "Treasurer, Virginia Tech." COST PER SAMPLE IN-STATE OUT-OF-STATESOIL TESTS DESIRED AND FEES SOIL INFORMATION

  7. Structural And Physical Characterization of Tetranuclear [Mn**II(3)Mn**IV] And [Mn**II(2)Mn**III(2)] Valence-Isomer Manganese Complexes

    SciTech Connect (OSTI)

    Zaleski, C.M.; Weng, T.-C.; Dendrinou-Samara, C.; Alexiou, M.; Kanakaraki, P.; Hsieh, W.-Y.; Kampf, J.; Penner-Hahn, J.E.; Pecoraro, V.L.; Kessissoglou, D.P.

    2009-05-28T23:59:59.000Z

    Two tetranuclear Mn complexes with an average Mn oxidation state of +2.5 have been prepared. These valence isomers have been characterized by a combination of X-ray crystallography, X-ray absorption spectroscopy, and magnetic susceptibility. The Mn{sup II}{sub 3}Mn{sup IV} tetramer has the Mn ions arranged in a distorted tetrahedron, with an S = 6 ground spin state, dominated by ferromagnetic exchange among the manganese ions. The Mn{sup II}{sub 2}Mn{sup III}{sub 2} tetramer also has a distorted tetrahedral arrangement of Mn ions but shows magnetic behavior, suggesting that it is a single-molecule magnet. The X-ray absorption near-edge structure (XANES) spectra for the two complexes are similar, suggesting that, while Mn XANES has sufficient sensitivity to distinguish between trinuclear valence isomers (Alexiou et al. Inorg. Chem. 2003, 42, 2185), similar distinctions are difficult for tetranuclear complexes such as that found in the photosynthetic oxygen-evolving complex.

  8. Thermal Stability of MnBi Magnetic Materials. | EMSL

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    because Mn is easy to react with oxygen. MnO formation is irreversible and causes degradation to the magnetic properties. In this paper, we report our effort on developing MnBi...

  9. Effect of Mn doping on the structural, morphological, optical...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Mn doping on the structural, morphological, optical and magnetic properties of indium tin oxide films. Effect of Mn doping on the structural, morphological, optical and magnetic...

  10. IMPROVEMENT OF CdMnTe DETECTOR PERFORMANCE BY MnTe PURIFICATION

    SciTech Connect (OSTI)

    Kim, K.H.; Bolotnikov, A.E.; Camarda, G.S.; Tappero, R.; Hossain, A.; Cui, Y.; Yang, G.; Gul, R.; and James, R.B.

    2011-04-25T23:59:59.000Z

    Residual impurities in manganese (Mn) are a big obstacle to obtaining high-performance CdMnTe (CMT) X-ray and gamma-ray detectors. Generally, the zone-refining method is an effective way to improve the material's purity. In this work, we purified the MnTe compounds combining the zone-refining method with molten Te, which has a very high solubility for most impurities. We confirmed the improved purity of the material by glow-discharge mass spectrometry (GDMS). We also found that CMT crystals from a multiply-refined MnTe source, grown by the vertical Bridgman method, yielded better performing detectors.

  11. Co layer thickness dependence of exchange biasing for IrMnCo and FeMnCo

    E-Print Network [OSTI]

    Reilly, Anne

    Co layer thickness dependence of exchange biasing for IrMnÕCo and FeMnÕCo K. A. Seua) and H. Huang) in IrMn/Co and FeMn/Co bilayers using the magneto-optical Kerr effect. Samples are sputtered wedges on silicon with Co thicknesses ranging from 1 to 17 nm. The IrMn/Co with exchange bias interface energy of 0

  12. High Mn austenitic stainless steel

    DOE Patents [OSTI]

    Yamamoto, Yukinori (Oak Ridge, TN) [Oak Ridge, TN; Santella, Michael L (Knoxville, TN) [Knoxville, TN; Brady, Michael P (Oak Ridge, TN) [Oak Ridge, TN; Maziasz, Philip J (Oak Ridge, TN) [Oak Ridge, TN; Liu, Chain-tsuan (Knoxville, TN) [Knoxville, TN

    2010-07-13T23:59:59.000Z

    An austenitic stainless steel alloy includes, in weight percent: >4 to 15 Mn; 8 to 15 Ni; 14 to 16 Cr; 2.4 to 3 Al; 0.4 to 1 total of at least one of Nb and Ta; 0.05 to 0.2 C; 0.01 to 0.02 B; no more than 0.3 of combined Ti+V; up to 3 Mo; up to 3 Co; up to 1W; up to 3 Cu; up to 1 Si; up to 0.05 P; up to 1 total of at least one of Y, La, Ce, Hf, and Zr; less than 0.05 N; and base Fe, wherein the weight percent Fe is greater than the weight percent Ni, and wherein the alloy forms an external continuous scale including alumina, nanometer scale sized particles distributed throughout the microstructure, the particles including at least one of NbC and TaC, and a stable essentially single phase FCC austenitic matrix microstructure that is essentially delta-ferrite-free and essentially BCC-phase-free.

  13. Energy absorption in Ni-Mn-Ga/ polymer composites

    E-Print Network [OSTI]

    Feuchtwanger, Jorge

    2006-01-01T23:59:59.000Z

    In recent years Ni-Mn-Ga has attracted considerable attention as a new kind of actuator material. Off-stoichiometric single crystals of Ni2MnGa can regularly exhibit 6% strain in tetragonal martensites and orthorhombic ...

  14. Theory of weak localization in ferromagnetic (Ga,Mn)As

    E-Print Network [OSTI]

    Garate, Ion; Sinova, Jairo; Jungwirth, T.; MacDonald, A. H.

    2009-01-01T23:59:59.000Z

    We study quantum interference corrections to the conductivity in (Ga,Mn)As ferromagnetic semiconductors using a model with disordered valence-band holes coupled to localized Mn moments through a p-d kinetic-exchange interaction. We find that at Mn...

  15. Mn/DOT's Project Peer Review

    E-Print Network [OSTI]

    Minnesota, University of

    and sustain this culture #12;Project Management #12;Recent National Work in Transportation Project ManagementMn/DOT's Project Management Peer Review Creating a Project Management Culture 2010 CTS Research a Peer Review? Why Project Management? Ā·Improve project delivery performance Ā­ on time, on budget (an

  16. MN4602 Crouch 2004 REASSESSING WEAPON SYSTEM

    E-Print Network [OSTI]

    MN4602 Crouch 2004 REASSESSING WEAPON SYSTEM OPERATIONAL TEST & EVALUATION METHODOLOGIES LTC Thom support assessing a weapon systems true cost and performance characteristics? S1: Can/should cost, operational effectiveness and suitability be assessed independent of one another? S2: Do current test

  17. Influence of interstitial Mn on magnetism in room-temperature ferromagnet Mn(1+delta)Sb

    SciTech Connect (OSTI)

    Taylor, Alice E [ORNL; Berlijn, Tom [ORNL; Hahn, Steven E [ORNL; May, Andrew F [ORNL; Williams, Travis J [ORNL; Poudel, Lekhanath N [ORNL; Calder, Stuart A [ORNL; Fishman, Randy Scott [ORNL; Stone, Matthew B [ORNL; Aczel, Adam A [ORNL; Cao, Huibo [ORNL; Lumsden, Mark D [ORNL; Christianson, Andrew D [ORNL

    2015-01-01T23:59:59.000Z

    We report elastic and inelastic neutron scattering measurements of the high-TC ferromagnet Mn(1+delta)Sb. Measurements were performed on a large, TC = 434 K, single crystal with interstitial Mn content of delta=0.13. The neutron diffraction results reveal that the interstitial Mn has a magnetic moment, and that it is aligned antiparallel to the main Mn moment. We perform density functional theory calculations including the interstitial Mn, and find the interstitial to be magnetic in agreement with the diffraction data. The inelastic neutron scattering measurements reveal two features in the magnetic dynamics: i) a spin-wave-like dispersion emanating from ferromagnetic Bragg positions (H K 2n), and ii) a broad, non-dispersive signal centered at forbidden Bragg positions (H K 2n+1). The inelastic spectrum cannot be modeled by simple linear spin-wave theory calculations, and appears to be significantly altered by the presence of the interstitial Mn ions. The results show that the influence of the int

  18. Evidence of N substitution by Mn in GaN

    E-Print Network [OSTI]

    Pereira, LMC; Decoster, S; Correia, JG; da Silva, MR; Vantomme, A; Araśjo, JP

    2012-01-01T23:59:59.000Z

    We report on the lattice location of Mn in wurtzite GaN using beta? emission channeling. In addition to the majority substituting for Ga, we locate up to 20% of the Mn atoms in N sites. We propose that the incorporation of Mn in N sites is enabled under sufficiently high concentrations of N vacancies, and stabilized by a highly charged state of the Mn cations. Since N substitution by Mn impurities in wurtzite GaN has never been observed experimentally or even considered theoretically before, it challenges the current paradigm of transition metal incorporation in wide-gap dilute magnetic semiconductors.

  19. Unexpected crystal and magnetic structures in MnCu4In and MnCu4Sn

    SciTech Connect (OSTI)

    Provino, A.; Paudyal, D.; Fornasini, ML; Dhiman, I.; Dhar, SK.; Das, A.; Mudryk, Y.; Manfrinetti, P.; Pecharsky, VK

    2013-01-29T23:59:59.000Z

    We discovered a new compound MnCu4In with its own hexagonal structure type (hP12-P63mc, ternary ordered derivative of the hexagonal MgZn2-type) that becomes ferromagnetic at TC = 540 K. This transition temperature is higher than that found in the MnCu2In and MnCu2Sn alloys. In contrast, the homologous compound MnCu4Sn, which crystallizes in the cubic MgCu4Sn-type, orders antiferromagnetically with TN = 110 K. The neutron diffraction studies show ferromagnetic spin orientation in the {1 0 1} plane in MnCu4In with a magnetic moment of 4.5 ?B/Mn at 22 K, and a corresponding value of 4.7 ?B/Mn in the antiferromagnetic MnCu4Sn with propagation vector View the MathML source. The first-principles electronic structure calculations show that the unexpected difference in both magnetic and crystal structures of MnCu4In and MnCu4Sn is due to the difference in the Mn-3d bands and exchange interactions relating to different crystal anisotropy, coordination numbers, and interatomic distances.

  20. NREL: Publications Home Page

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Publications Photo of the cover of several NREL publications. The NREL Publications Database contains bibliographic information about publications developed or written by NREL...

  1. Publication Policy

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOnItemResearch > TheNuclear Press Releases ArchiveServicesPublication Policy Publication

  2. ,"International Falls, MN Natural Gas Pipeline Imports From Canada...

    U.S. Energy Information Administration (EIA) Indexed Site

    International Falls, MN Natural Gas Pipeline Imports From Canada (MMcf)" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description"," Of...

  3. ,"Noyes, MN Natural Gas Pipeline Imports From Canada (MMcf)"

    U.S. Energy Information Administration (EIA) Indexed Site

    Imports From Canada (MMcf)" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description"," Of Series","Frequency","Latest Data for" ,"Data 1","Noyes, MN...

  4. ,"Warroad, MN Natural Gas Pipeline Imports From Canada (MMcf...

    U.S. Energy Information Administration (EIA) Indexed Site

    Imports From Canada (MMcf)" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description"," Of Series","Frequency","Latest Data for" ,"Data 1","Warroad, MN...

  5. Polarized x-ray spectroscopy of quaternary ferromagnetic semiconductor (Ga,Mn)(As,P)

    E-Print Network [OSTI]

    Wadley, P.

    2011-01-01T23:59:59.000Z

    quaternary diluted magnetic semiconductor (Ga,Mn)(As,P) as aIn diluted magnetic semiconductors such as (Ga,Mn)As, whichquaternary diluted magnetic semiconductors such as (Ga,Mn)(

  6. Alignment of micro-crystals of Mn12-acetate and direct observation of single molecules thereof

    E-Print Network [OSTI]

    Seo, Dongmin

    2009-05-15T23:59:59.000Z

    This dissertation focuses on three separate studies. First, magnetization of the Mn12- acetate was studied by low temperature hysteresis loops and DC magnetization data on magnetically aligned Mn12-acetate micro-crystals. Secondly, Mn12-acetate thin...

  7. Experimental and first-principles study of ferromagnetism in Mn-doped zinc stannate nanowires

    SciTech Connect (OSTI)

    Deng Rui; Zhou Hang; Qin Jieming; Wan Yuchun; Jiang Dayong; Liang Qingcheng [School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022 (China); Li Yongfeng [Key Laboratory of Physics and Technology for Advanced Batteries, College of Physics, Jilin University, Changchun 130012 (China); Wu, Tom [Physical Sciences and Engineering Division, Solar and Photovoltaics Engineering Research Center, King Abdullah University of Science and Technology, Thuwal 23955-6900 (Saudi Arabia); Yao Bin [State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012 (China); Liu Lei [State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, No.3888 Dongnanhu Road, Changchun 130033 (China)

    2013-07-21T23:59:59.000Z

    Room temperature ferromagnetism was observed in Mn-doped zinc stannate (ZTO:Mn) nanowires, which were prepared by chemical vapor transport. Structural and magnetic properties and Mn chemical states of ZTO:Mn nanowires were investigated by X-ray diffraction, superconducting quantum interference device (SQUID) magnetometry and X-ray photoelectron spectroscopy. Manganese predominantly existed as Mn{sup 2+} and substituted for Zn (Mn{sub Zn}) in ZTO:Mn. This conclusion was supported by first-principles calculations. Mn{sub Zn} in ZTO:Mn had a lower formation energy than that of Mn substituted for Sn (Mn{sub Sn}). The nearest neighbor Mn{sub Zn} in ZTO stabilized ferromagnetic coupling. This observation supported the experimental results.

  8. Public Lecture

    ScienceCinema (OSTI)

    None

    2011-10-06T23:59:59.000Z

    An outreach activity is being organized by the Turkish community at CERN, on 5 June 2010 at CERN Main Auditorium. The activity consists of several talks that will take 1.5h in total. The main goal of the activity will be describing the CERN based activities and experiments as well as stimulating the public's attention to the science related topics. We believe the wide communication of the event has certain advantages especially for the proceeding membership process of Turkey.

  9. AMERICAN ANTHROPOLOGIST Public Anthropology

    E-Print Network [OSTI]

    Illinois at Chicago, University of

    AMERICAN ANTHROPOLOGIST Public Anthropology 2012 Public Anthropology Year in Review: Actually, Rick a torrent of criticism from anthropologists, including an online response by #12;Year in Review: Public

  10. Minnesota Guidestar www.dot.state.mn.us/guidestar

    E-Print Network [OSTI]

    Minnesota, University of

    .dot.state.mn.us/guidestar What is ITS? · Application of technology to improve the safety and efficiency of the transportation system. #12;Minnesota Guidestar www.dot.state.mn.us/guidestar What is ITS? · Traffic Management ­ Signal Systems ­ Ramp Meters · Emergency Response ­ Mobile Data Terminals ­ 911 Dispatch ­ RF Data Networks

  11. Magnetic Moment Enhancement for Mn7 Cluster on Graphene

    SciTech Connect (OSTI)

    Liu, Xiaojie [Ames Laboratory; Wang, Cai-Zhuang [Ames Laboratory; Lin, Hai-Qing [Beijing Computational Science Research Center; Ho, Kai-Ming [Ames Laboratory

    2014-08-21T23:59:59.000Z

    Mn7 cluster on graphene with different structural motifs and magnetic orders are investigated systematically by first-principles calculations. The calculations show that Mn7 on graphene prefers a two-layer motif and exhibits a ferrimagnetic coupling. The magnetic moment of the Mn7 cluster increases from 5.0 ?B at its free-standing state to about 6.0 ?B upon adsorption on graphene. Mn7 cluster also induces about 0.3 ?B of magnetic moment in the graphene layer, leading to an overall enhancement of 1.3 ?B magnetic moment for Mn7 on graphene. Detail electron transfer and bonding analysis have been carried out to investigate the origin of the magnetic enhancement.

  12. Spectroscopy of Mn atoms isolated in solid {sup 4}He

    SciTech Connect (OSTI)

    Moroshkin, P., E-mail: petr.moroshkin@riken.jp; Lebedev, V.; Weis, A. [Department of Physics, University of Fribourg, Chemin du Musée 3, 1700 Fribourg (Switzerland)

    2014-06-07T23:59:59.000Z

    We present an experimental study of the laser-induced luminescence spectra of Mn atoms in solid helium matrices. We observe transitions of the valence electron and of inner-shell electrons. We find that the Mn-He interaction perturbs the inner-shell transitions to a lesser extent than the valence-electron transitions. The observed lineshapes of the inner-shell transitions of Mn are similar to those of an inner-shell transition in Ba studied earlier. At the same time, they are more strongly perturbed than the corresponding transitions in Au and Cu under the same conditions. We suggest a qualitative explanation of these observations based on the atomic bubble model. Our results also suggest that the inner-shell transitions of Mn in solid He are more strongly perturbed than the same lines of Mn isolated in solid Ar or Kr matrices.

  13. Chemical and structural investigation of the role of both Mn and Mn oxide in the formation of manganese silicate barrier layers on SiO{sub 2}

    SciTech Connect (OSTI)

    Casey, P.; Bogan, J.; Hughes, G. [School of Physical Sciences, Dublin City University, Glasnevin, Dublin 9 (Ireland); Lozano, J. G.; Nellist, P. D. [Department of Materials, University of Oxford, Parks Road, Oxford OX1 3PH (United Kingdom)

    2011-09-01T23:59:59.000Z

    In this study, Mn silicate (MnSiO{sub 3}) barrier layers were formed on thermally grown SiO{sub 2} using both metallic Mn and oxidized Mn films, in order to investigate the role of oxygen in determining the extent of the interaction between the deposited Mn and the SiO{sub 2} substrate. Using x-ray photoelectron spectroscopy, it has been shown that a metallic Mn film with an approximate thickness of 1 nm cannot be fully converted to Mn silicate following vacuum annealing to 500 deg. C. Transmission electron microscopy (TEM) analysis suggests the maximum MnSiO{sub 3} layer thickness obtainable using metallic Mn is {approx}1.7 nm. In contrast, a {approx}1 nm partially oxidized Mn film can be fully converted to Mn silicate following thermal annealing to 400 deg. C, forming a MnSiO{sub 3} layer with a measured thickness of 2.6 nm. TEM analysis also clearly shows that MnSiO{sub 3} growth results in a corresponding reduction in the SiO{sub 2} layer thickness. It has also been shown that a fully oxidized Mn oxide thin film can be converted to Mn silicate, in the absence of metallic Mn. Based on these results it is suggested that the presence of Mn oxide species at the Mn/SiO{sub 2} interface facilitates the conversion of SiO{sub 2} to MnSiO{sub 3}, in agreement with previously published studies.

  14. Publication Policy

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOnItemResearch > TheNuclear Press Releases ArchiveServicesPublication Policy

  15. Publications - SRSCRO

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOnItemResearch > TheNuclear Press Releases ArchiveServicesPublicationPublicationsnuclear

  16. Publications | NREL

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOnItemResearch > TheNuclear Press Releases 2014 2013 2012 2011 2010Publications The NREL

  17. Publications Archive

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeedingTechnical News,Program90803|Publications

  18. Magnetic coupling in neutral and charged Cr{sub 2}, Mn{sub 2}, and CrMn dimers

    SciTech Connect (OSTI)

    Desmarais, N. [Institut de Physique Experimentale, Ecole Polytechnique Federale de Lausanne, PHB-Ecublens, CH-1015 Lausanne, (Switzerland)] [Institut de Physique Experimentale, Ecole Polytechnique Federale de Lausanne, PHB-Ecublens, CH-1015 Lausanne, (Switzerland); Reuse, F. A. [Institut de Physique Experimentale, Ecole Polytechnique Federale de Lausanne, PHB-Ecublens, CH-1015 Lausanne, (Switzerland)] [Institut de Physique Experimentale, Ecole Polytechnique Federale de Lausanne, PHB-Ecublens, CH-1015 Lausanne, (Switzerland); Khanna, S. N. [Department of Physics, Virginia Commonwealth University, Richmond, Virginia 23284-2000 (United States)] [Department of Physics, Virginia Commonwealth University, Richmond, Virginia 23284-2000 (United States)

    2000-04-01T23:59:59.000Z

    Theoretical ab initio studies of neutral, cationic and anionic Cr{sub 2}, Mn{sub 2}, and CrMn dimers have been carried out to explore the progression of magnetic coupling with the number of electrons. It is shown that while Cr{sub 2} and Cr{sub 2}{sup -} have antiferromagnetically coupled atomic spins, Cr{sub 2}{sup +} has a ferromagnetic ground state closely followed by an antiferromagnetic state. On the other hand, all Mn{sub 2} dimers are ferromagnetic, irrespective of the charge. The neutral CrMn is ferrimagnetic while the charged CrMn are antiferromagnetic. In all cases, the charged dimers are found to be more stable than the neutral ones. The results are compared with available calculations and experiments and the difficulties associated with theoretical description and the experimental interpretations are discussed. (c) 2000 American Institute of Physics.

  19. Distinct local electronic structure and magnetism for Mn in amorphous Si and Ge

    E-Print Network [OSTI]

    Zeng, Li

    2010-01-01T23:59:59.000Z

    Mn-Si (red squares) and Mn-Ge distances (blue circles) d asof the number of Si or Ge nearest neighbours N c ; (c) localthree Mn atoms with different N c in a-Mn 0.094 Ge 0.906 .

  20. Alexandria, Virginia: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnualProperty EditCalifornia: Energy Resources Jump to: navigation, searchAlcoa

  1. Hilton Alexandria Mark Center Shuttle Schedule

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742Energy ChinaofSchaefer To:Department of EnergySeacrist, SeniorVolumeOverview Energy

  2. Alexandria Hilton Shuttle Schedule | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33Frequently20,000 RussianBy:Whether you're a16-17, 201529,VulnerabilitiesAlamoThis

  3. Alexandria, Minnesota: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-fTriWildcat 1AMEEAisin SeikiandAlcopar JumpInformationCounty,

  4. Alexandria, Ohio: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-fTriWildcat 1AMEEAisin SeikiandAlcopar JumpInformationCounty,NewOhio:

  5. Cumulative Effects Guidance 2007 MnDOT Environmental

    E-Print Network [OSTI]

    Minnesota, University of

    relevant for actions requiring an environmental impact statement § Analysis for projects processed as EACumulative Effects Guidance 2007 MnDOT Environmental Stewardship & Streamlining Workshop Presented by Dave Gamble Federal Highway Administration Resource Center Environmental Technical Service Team #12

  6. Transverse acoustic actuation of Ni-Mn-Ga single crystals

    E-Print Network [OSTI]

    Simon, Jesse Matthew

    2007-01-01T23:59:59.000Z

    Two methods for the transverse acoustic actuation of {110}-cut Ni-Mn-Ga single crystals are discussed. In this actuation mode, crystals are used that have the {110}- type twinning planes parallel to the base of the crystal. ...

  7. PRECIPITATION-STRENGTHENED AUSTENITIC FE-MN-TI ALLOYS

    E-Print Network [OSTI]

    Chiang, K.-M.

    2010-01-01T23:59:59.000Z

    energy spectrums showing that precipitates are rich in titanium, andtitanium additions can reduce the austenitic stacking fault energyfault energy of the Fe-Mn austenite is lowered by titanium

  8. Ambi-site substitution of Mn in lanthanum germanate apatites

    SciTech Connect (OSTI)

    Kendrick, E. [Chemical Sciences, University of Surrey, Guildford, Surrey GU2 7XH (United Kingdom); Knight, K.S. [ISIS Facility, Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, Didcot OX11 0QX (United Kingdom); Slater, P.R., E-mail: p.r.slater@bham.ac.uk [School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT (United Kingdom)

    2009-08-05T23:59:59.000Z

    A neutron diffraction study at 4 K of the Mn doped lanthanum germanate apatite-type oxide ion conductor of nominal starting composition 'La{sub 9.5}Mn{sub 0.5}(GeO{sub 4}){sub 6}O{sub 2.75}' is reported. The structure was refined in space group P6{sub 3}/m, although high thermal displacement parameters were observed for the oxide ion sites (particularly O3, and O4). Reduced thermal displacement parameters were obtained by splitting the O3 site, and allowing the O4 oxygen to move off site, which may indicate local regions of lower symmetry within the structure. In addition, the data suggested ambi-site substitution of Mn, with it being present on both the Ge site and the La site. Assuming no change in La:Mn:Ge ratio, a composition of La{sub 9.18}Mn{sub 0.28}(GeO{sub 4}){sub 5.8}(MnO{sub 4}){sub 0.2}O{sub 2} was determined. As such there are nominally no interstitial oxide ions, but rather cation vacancies on the La site. Therefore, the high conductivity for this sample is most likely related to the introduction of Frenkel-type defects at higher temperature, as previously proposed for other apatite-type systems containing vacancies on the La site.

  9. Chernobyl and Fukushima Publications Most Recent Publications

    E-Print Network [OSTI]

    Mousseau, Timothy A.

    Chernobyl and Fukushima Publications Most Recent Publications: MĆøller, A birds in Chernobyl as judged from biased sex and age ratios. PLoS One, 7. Abundance of birds at Fukushima as judged from Chernobyl. Environmental Pollution

  10. Application of Mn/DOT Utility Coordination Process to Local Agencies Based on national best practices, the Minnesota Department of Transportation (Mn/DOT) Utility

    E-Print Network [OSTI]

    Minnesota, University of

    Application of Mn/DOT Utility Coordination Process to Local Agencies Based on national best practices, the Minnesota Department of Transportation (Mn/DOT) Utility Coordination Process incorporates Processes There are projects where the full process is not necessary. The Mn/DOT Utilities Manual provides

  11. Disordered electronic and magnetic systems - transition metal (Mn) and rare earth (Gd) doped amorphous group IV semiconductors (C, Si, Ge)

    E-Print Network [OSTI]

    Zeng, Li

    2007-01-01T23:59:59.000Z

    Magnetization data for a-Mn 0.15 Ge 0.85 ?lms mea- suredSi 1?x and a-Mn x Ge 1?x samples. . . . . . . . . . . . . .both a-Mn x Si 1?x and a-Mn x Ge 1?x as a func- tion of Mn

  12. ORISE: Public Health Communication

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Communication Public Health Communication The Oak Ridge Institute for Science and Education (ORISE) assists government agencies and organizations in addressing public health...

  13. Public Assembly Buildings

    U.S. Energy Information Administration (EIA) Indexed Site

    center, meeting hall, or convention center a library or museum a transportation terminal a funeral home a broadcasting studio some other type of public assembly Public...

  14. IACT Publications and Presentations

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Publications and Presentations Peer-Reviewed Publications Conference Proceedings, Abstracts, Presentations, and Poster Sessions IACT-funded Master and Doctoral Theses September...

  15. Hydrothermal synthesis and catalytic properties of {alpha}- and {beta}-MnO{sub 2} nanorods

    SciTech Connect (OSTI)

    Cao, Guangsheng, E-mail: daqingcgs@163.com [Key Laboratory of Enhanced Oil and Gas Recovery of Ministry of Education, Daqing Petroleum Institute, Daqing 163318 (China)] [Key Laboratory of Enhanced Oil and Gas Recovery of Ministry of Education, Daqing Petroleum Institute, Daqing 163318 (China); Su, Ling; Zhang, Xiaojuan; Li, Hui [Key Laboratory of Enhanced Oil and Gas Recovery of Ministry of Education, Daqing Petroleum Institute, Daqing 163318 (China)] [Key Laboratory of Enhanced Oil and Gas Recovery of Ministry of Education, Daqing Petroleum Institute, Daqing 163318 (China)

    2010-04-15T23:59:59.000Z

    One-dimensional {alpha}-MnO{sub 2} and {beta}-MnO{sub 2} single-crystalline nanostructures were prepared by hydrothermal process. The products were characterized in detail by multiform techniques: X-ray diffraction, scanning electron microscopy, and transmission electron microscopy. Experimental results indicate that the temperature plays important roles in determining produce {alpha}-MnO{sub 2} and {beta}-MnO{sub 2} nanorods. In addition, the as-prepared {alpha}-MnO{sub 2} and {beta}-MnO{sub 2} nanorods showed excellent catalytic performance in the Fenton-like reaction.

  16. A comparative study of magnetic behaviors in TbNi{sub 2}, TbMn{sub 2} and TbNi{sub 2}Mn

    SciTech Connect (OSTI)

    Wang, J. L., E-mail: jianli@uow.edu.au [Institute for Superconductivity and Electronic Materials, University of Wollongong, Wollongong, NSW 2522 (Australia); Bragg Institute, ANSTO, Lucas Heights, NSW 2234 (Australia); Md Din, M. F.; Hong, F.; Cheng, Z. X.; Dou, S. X. [Institute for Superconductivity and Electronic Materials, University of Wollongong, Wollongong, NSW 2522 (Australia); Kennedy, S. J.; Studer, A. J. [Bragg Institute, ANSTO, Lucas Heights, NSW 2234 (Australia); Campbell, S. J. [School of Physical, Environmental and Mathematical Sciences, The University of New South Wales, Canberra, ACT 2600 (Australia); Wu, G. H. [Institute of Physics, Chinese Academy of Science, Beijing 100190 (China)

    2014-05-07T23:59:59.000Z

    All TbNi{sub 2}, TbMn{sub 2}, and TbNi{sub 2}Mn compounds exhibit the cubic Laves phase with AB{sub 2}-type structure in spite of the fact that the ratio of the Tb to transition-metal components in TbNi{sub 2}Mn is 1:3. Rietveld refinement indicates that in TbNi{sub 2}Mn the Mn atoms are distributed on both the A (8a) and B (16d) sites. The values of the lattice constants were measured to be a?=?14.348?Å (space group F-43?m), 7.618?Å, and 7.158?Å (space group Fd-3?m) for TbNi{sub 2}, TbMn{sub 2}, and TbNi{sub 2}Mn, respectively. The magnetic transition temperatures T{sub C} were found to be T{sub C}?=?38?K and T{sub C}?=?148?K for TbNi{sub 2} and TbNi{sub 2}Mn, respectively, while two magnetic phase transitions are detected for TbMn{sub 2} at T{sub 1}?=?20?K and T{sub 2}?=?49?K. Clear magnetic history effects in a low magnetic field are observed in TbMn{sub 2} and TbNi{sub 2}Mn. The magnetic entropy changes have been obtained.

  17. Spin dependent transport properties of Mn-Ga/MgO/Mn-Ga magnetic tunnel junctions with metal(Mg, Co, Cr) insertion layer

    SciTech Connect (OSTI)

    Liang, S. H.; Tao, L. L.; Liu, D. P., E-mail: dpliu@iphy.ac.cn; Han, X. F., E-mail: xfhan@iphy.ac.cn [State Key Laboratory of Magnetism, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190 (China); Lu, Y. [Institut Jean Lamour, UMR 7198, CNRS-Nancy Université, BP 239, 54506 Vandoeuvre (France)

    2014-04-07T23:59:59.000Z

    We report a first principles theoretical investigation of spin polarized quantum transport in Mn{sub 2}Ga/MgO/Mn{sub 2}Ga and Mn{sub 3}Ga/MgO/Mn{sub 3}Ga magnetic tunneling junctions (MTJs) with the consideration of metal(Mg, Co, Cr) insertion layer effect. By changing the concentration of Mn, our calculation shows a considerable disparity in transport properties: A tunneling magnetoresistance (TMR) ratio of 852% was obtained for Mn{sub 2}Ga-based MTJs, however, only a 5% TMR ratio for Mn{sub 3}Ga-based MTJs. In addition, the influence of insertion layer has been considered in our calculation. We found the Co insertion layer can increase the TMR of Mn{sub 2}Ga-based MTJ to 904%; however, the Cr insertion layer can decrease the TMR by 668%; A negative TMR ratio can be obtained with Mg insertion layer. Our work gives a comprehensive understanding of the influence of different insertion layer in Mn-Ga based MTJs. It is proved that, due to the transmission can be modulated by the interfacial electronic structure of insertion, the magnetoresistance ratio of Mn{sub 2}Ga/MgO/Mn{sub 2}Ga MTJ can be improved by inserting Co layer.

  18. Privatizing Public Interest Law

    E-Print Network [OSTI]

    Cummings, Scott L

    2011-01-01T23:59:59.000Z

    graduation, she received a public interest law foundation grant to work in the consumer rights project

  19. Unique light-induced degradation in yellow-emitting K?SiF?:Mn²? phosphor

    SciTech Connect (OSTI)

    Oyama, Takuya; Adachi, Sadao, E-mail: adachi@el.gunma-u.ac.jp [Division of Electronics and Informatics, Faculty of Science and Technology, Gunma University, Kiryu-shi, Gunma 376-8515 (Japan)

    2014-10-07T23:59:59.000Z

    Photo-induced luminescence intensity degradation in yellow-emitting K?SiF?:Mn²? phosphor is studied using x-ray diffraction measurement, photoluminescence (PL) analysis, PL excitation (PLE) spectroscopy, PL decay analysis, and electron spin resonance (ESR) measurement. The yellow-emitting K?SiF?:Mn²? phosphor exhibits remarkable degradation in the PL intensity under Xe lamp exposure. Coherent laser irradiation also induces degradation and its degree is in the order of He–Cd (? = 325 nm) > Ar? (488 nm) > He–Ne laser (632.8 nm). The degradation mechanism is proposed to be due to change in the valence state of manganese ions from Mn²? to Mn³? by the photooxidation (Mn²? ? Mn³?) or disproportionation reaction (2Mn²? ? Mn? + Mn³?). The ESR measurement confirms the decreased Mn²? spin density in the sample exposed with Xe lamp. The PLE spectrum suggests that the excitation of Mn³? ions occurs through energy transfer upon absorption of exciting radiation by the Mn²? ions. Thermal annealing of the degraded samples at ?200 °C causes a blueshift in the PL emission band with an appearance of the Mn??-related sharp red emission lines.

  20. Public Meeting: Draft Renewable Energy and Efficient Energy Projects Loan Guarantee Solicitation- Twin Cities, MN

    Broader source: Energy.gov [DOE]

    University of Minnesota, Twin Cities, Institute on the Environment, Learning & Environmental Sciences, R-380

  1. Mn-Fe base and Mn-Cr-Fe base austenitic alloys

    DOE Patents [OSTI]

    Brager, Howard R. (Richland, WA); Garner, Francis A. (Richland, WA)

    1987-01-01T23:59:59.000Z

    Manganese-iron base and manganese-chromium-iron base austenitic alloys designed to have resistance to neutron irradiation induced swelling and low activation have the following compositions (in weight percent): 20 to 40 Mn; up to about 15 Cr; about 0.4 to about 3.0 Si; an austenite stabilizing element selected from C and N, alone or in combination with each other, and in an amount effective to substantially stabilize the austenite phase, but less than about 0.7 C, and less than about 0.3 N; up to about 2.5 V; up to about 0.1 P; up to about 0.01 B; up to about 3.0 Al; up to about 0.5 Ni; up to about 2.0 W; up to about 1.0 Ti; up to about 1.0 Ta; and with the remainder of the alloy being essentially iron.

  2. Elena M. Miller Public Adviser

    E-Print Network [OSTI]

    -examine witnesses provided by other parties #12;Elena M. Miller, Public Adviser Nick Bartsch, Public Adviser

  3. HgMn Stars as apparent X-ray emitters

    E-Print Network [OSTI]

    Hubrig, S; Mathys, G

    1998-01-01T23:59:59.000Z

    In the ROSAT all-sky survey 11 HgMn stars were detected as soft X-ray emitters (Berghoefer, Schmitt & Cassinelli 1996). Prior to ROSAT, X-ray observations with the Einstein Observatory had suggested that stars in the spectral range B5-A7 are devoid of X-ray emission. Since there is no X-ray emitting mechanism available for these stars (also not for HgMn stars), the usual argument in the case of an X-ray detected star of this spectral type is the existence of an unseen low-mass companion which is responsible for the X-ray emission. The purpose of the present work is to use all available data for our sample of X-ray detected HgMn stars and conclude on the nature of possible companions.

  4. Resonant spin tunneling in randomly oriented nanospheres of Mn?? acetate

    SciTech Connect (OSTI)

    Lendinez, S. [Univ. de Barcelona, Barcelona, Spain (Europe); Billinge, S. J. L. [Columbia Univ., New York, NY (United States); Zarzuela, R. [Univ. de Barcelona, Barcelona, Spain (Europe); Tejada, J. [Univ. de Barcelona, Barcelona, Spain (Europe); Terban, M. W. [Columbia Univ., New York, NY (United States); Espin, J. [Univ. Autonoma Barcelona, Barcelona, Spain (Europe); Imaz, I. [Univ. Autonoma Barcelona, Barcelona, Spain (Europe); Maspoch, D. [Univ. Autonoma Barcelona, Barcelona, Spain (Europe); Chudnovsky, E. M. [City Univ. of New York, Bronx, NY (United States)

    2015-01-01T23:59:59.000Z

    We report measurements and theoretical analysis of resonant spin tunneling in randomly oriented nanospheres of a molecular magnet. Amorphous nanospheres of Mn?? acetate have been fabricated and characterized by chemical, infrared, TEM, X-ray, and magnetic methods. Magnetic measurements have revealed sharp tunneling peaks in the field derivative of the magnetization that occur at the typical resonant field values for the Mn?? acetate crystal in the field parallel to the easy axis.Theoretical analysis is provided that explains these observations. We argue that resonant spin tunneling in a molecular magnet can be established in a powder sample, without the need for a single crystal and without aligning the easy magnetization axes of the molecules. This is confirmed by re-analyzing the old data on a powdered sample of non-oriented micron-size crystals of Mn?? acetate. Our findings can greatly simplify the selection of candidates for quantum spin tunneling among newly synthesized molecular magnets.

  5. Assessment of the Diffusive Gradients in Thin-films (DGT) technique to assess the plant availability of Mn in soils.

    E-Print Network [OSTI]

    Mundus, Simon; Husted, Sųren; Lombi, Enzo

    2009-01-01T23:59:59.000Z

    predicts copper availability to plants. EnvironmentalAttempts to assess Mn availability have been impeded due towill influence the Mn availability. Often flooding of soils

  6. The Use of Silica Coated MnO Nanoparticles to Control MRI Relaxivity in Response to Specific Physiological Changes

    E-Print Network [OSTI]

    Krishnan, Kannan M.

    -tracing could be observed due to the released Mn2ž . Intravenous infusion of MnO@SiO2 particles showed little

  7. Comparison of LiMnPO4 made by Combustion and Hydrothermal Syntheses

    E-Print Network [OSTI]

    Chen, Jiajun

    2010-01-01T23:59:59.000Z

    of nanosized LiMnPO 4 by combustion synthesis Figure 2. X-a) nanometric LiMnPO 4 made by combustion synthesis and b)typically formed by combustion synthesis. The average

  8. Comparison of LiMnPO4 made by Combustion and Hydrothermal Syntheses

    E-Print Network [OSTI]

    Chen, Jiajun

    2008-01-01T23:59:59.000Z

    of nanosized LiMnPO 4 by combustion synthesis Figure 2. X-a) nanometric LiMnPO 4 made by combustion synthesis and b)typically formed by combustion synthesis. The average

  9. Electrodeposited Al-Mn Alloys with Microcrystalline, Nanocrystalline, Amorphous and Nano-quasicrystalline Structures

    E-Print Network [OSTI]

    Ruan, Shiyun

    Al–Mn alloys with Mn content ranging from 0 to 15.8 at.% are prepared by electrodeposition from an ionic liquid at room temperature, and exhibit a remarkably broad range of structures. The alloys are characterized through ...

  10. Ferromagnetism in Mn-Implanted Epitaxially Grown Ge on Si(100)

    E-Print Network [OSTI]

    Guchhait, S.

    2011-01-01T23:59:59.000Z

    segregation in Mn-doped Ge”, Journal of Applied Physics 101,Room-temperature ferromagnetism in Ge 1-x Mn x nanowires”,BC high-?/metal gate Ge/C alloy pMOSFETs fabricated directly

  11. Distinct local electronic structure and magnetism for Mn in amorphous Si and Ge

    E-Print Network [OSTI]

    Zeng, Li

    2010-01-01T23:59:59.000Z

    Mn)As: A new diluted magnetic semiconductor based on GaAs.Mn x Ge 1-x diluted magnetic semiconductor: experiment andx Si 1-x amorphous magnetic semiconductor. Phys. Rev. B 67 ,

  12. Ferromagnetism in Mn-Implanted Epitaxially Grown Ge on Si(100)

    E-Print Network [OSTI]

    Guchhait, S.

    2011-01-01T23:59:59.000Z

    group-IV-based dilute magnetic semiconductors by electronicMn x Ge 1-x dilute magnetic semiconductor”, Applied Physicsamorphous Ge 1-x Mn x magnetic semiconductor films”, Journal

  13. Mn12-acetate thin film patterns and their interaction with superconductors

    E-Print Network [OSTI]

    Kim, Kyongwan

    2009-05-15T23:59:59.000Z

    Mn12-acetate single-molecule magnets (SMMs) are nano-scale magnets showing a strong magnetic anisotropy, slow relaxation and stepwise magnetic hysteresis curves. Possible applications of Mn12-acetate, e.g. for ultra high density magnetic information...

  14. Distinct local electronic structure and magnetism for Mn in amorphous Si and Ge

    E-Print Network [OSTI]

    Zeng, Li

    2010-01-01T23:59:59.000Z

    Li, A. P. et al. Magnetism in Mn x Ge 1-x semiconductorsElectronic Structure and Magnetism for Mn in Amorphous Sistructure that determines magnetism. Figure 3 shows XAS data

  15. On deformation twinning in a 17.5%Mn-TWIP steel: A physically...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    On deformation twinning in a 17.5%Mn-TWIP steel: A physically-based phenomenological model. On deformation twinning in a 17.5%Mn-TWIP steel: A physically-based phenomenological...

  16. Ba and Ni speciation in a nodule of binary Mn oxide phase composition from Lake Baikal

    E-Print Network [OSTI]

    , and absorption spectroscopy. Fe is speciated as goethite, and Mn as romanechite (psilomelane) and 10 A is separated from the other type by goethite. The binary Mn oxide banding pattern is interpreted by a two

  17. Low-temperature magnetization of (Ga,Mn) As semiconductors

    E-Print Network [OSTI]

    Jungwirth, T.; Masek, J.; Wang, KY; Edmonds, KW; Sawicki, M.; Polini, M.; Sinova, Jairo; MacDonald, AH; Campion, RP; Zhao, LX; Farley, NRS; Johal, TK; van der Laan, G.; Foxon, CT; Gallagher, BL.

    2006-01-01T23:59:59.000Z

    temperature magnetometry and XMCD experiments. A series of #1;Ga,Mn#2;As films with Mn content varying between 1.7?6.7 % in the SQUID experiments and between 2.2 and 8.4 % in the XMCD experiments were grown by low-temperature molecular beam epitaxy #1;MBE.... Magnetometry The magnetic moment of the samples is measured in a SQUID magnetometer, at 5 K and under a 0.3 T external magnetic field. The external field is necessary to overcome in-plane anisotropy fields, so that the magnetization is aligned...

  18. Electron Band Structure of MnGaN Dimiter Alexandrov1

    E-Print Network [OSTI]

    Dietz, Nikolaus

    to this orbital to be occupied. LCAO electron band structure of wurtzite MnxGa1-xN for points c1 and v15 ( = 1 of the wurtzite MnxGa1-xN are determined as well. INTRODUCTION The MnxGa1-xN semiconductor alloy is important model the MnGaN alloy on Mn content. Segregated Mn species in wurtzite GaN containing Mn

  19. Heat treatment effects on microstructure and magnetic properties of MnZn ferrite powders

    E-Print Network [OSTI]

    Volinsky, Alex A.

    Heat treatment effects on microstructure and magnetic properties of MnĀ­Zn ferrite powders Ping Hu Available online 6 September 2009 Keywords: MnĀ­Zn ferrite Heat treatment Microstructure Magnetic property a b s t r a c t MnĀ­Zn ferrite powders (Mn0.5Zn0.5Fe2O4) were prepared by the nitrateĀ­citrate auto

  20. Disentangling the Mn moments on different sublattices in the half-metallic ferrimagnet Mn3?xCoxGa

    SciTech Connect (OSTI)

    Klaer, P.; Jenkins, C.A.; Alijani, V.; Winterlik, J.; Balke, B.; Felser, C.; Elmers, H.J.

    2011-05-03T23:59:59.000Z

    Ferrimagnetic Mn{sub 3-x}Co{sub x}Ga compounds have been investigated by magnetic circular dichroism in x-ray absorption (XMCD). Compounds with x > 0.5 crystallize in the CuHg{sub 2}Ti structure. A tetragonal distortion of the cubic structure occurs for x {le} 0.5. For the cubic phase, magnetometry reveals a linearly increasing magnetization of 2x Bohr magnetons per formula unit obeying the generalized Slater-Pauling rule. XMCD confirms the ferrimagnetic character with Mn atoms occupying two different sublattices with antiparallel spin orientation and different degrees of spin localization and identifies the region 0.6 < x {le} 0.8 as most promising for a high spin polarization at the Fermi level. Individual Mn moments on inequivalent sites are compared to theoretical predictions.

  1. Exchange interaction in hexagonal MnRhP from first-principles studies

    SciTech Connect (OSTI)

    Liu, X. B., E-mail: liuxubo@uta.edu; Zhang, Qiming; Ping Liu, J., E-mail: pliu@uta.edu [Department of Physics, University of Texas at Arlington, Arlington, Texas 76019 (United States); Yue, M. [College of Material Science and Engineering, Beijing University of Technology, 100022 Beijing (China); Altounian, Z. [Centre for the Physics of Materials and Department of Physics, McGill University, Montreal, Quebec H3A 2T8 (Canada)

    2014-05-07T23:59:59.000Z

    Electronic structure and magnetic properties for MnRhP have been studied from a first-principles density functional calculation. The calculated lattice constants, a?=?6.228 Å and c?=?3.571?Å, are in good agreement with the experimental values of a?=?6.223 Å and c?=?3.585?Å. The calculated moment of Mn is 3.1 ?{sub B}/atom, resulting in a total moment of 3.0 ?{sub B}/atom due to small moments induced at Rh and P sites. The magnetic moment of Mn decreases with unit cell size. The exchange interactions are dominated by positive Mn-Mn exchange coupling (J{sub Mn?Mn}), implying a stable ferromagnetic ordering in Mn sublattice. In particular, J{sub Mn?Mn} shows a maximum value (1.5 mRy) at the the optimized unit cell size. The structural distortion or unit cell size change will affect J{sub Mn?Mn}, which is intimately related to the magneto-elastic and magneto-caloric effect.

  2. On the role of Mn(IV) vacancies in the photoreductive dissolution of hexagonal birnessite

    SciTech Connect (OSTI)

    Kwon, K.D.; Refson, K.; Sposito, G.

    2009-06-01T23:59:59.000Z

    Photoreductive dissolution of layer type Mn(IV) oxides (birnessite) under sunlight illumination to form soluble Mn(II) has been observed in both field and laboratory settings, leading to a consensus that this process is a key driver of the biogeochemical cycling of Mn in the euphotic zones of marine and freshwater ecosystems. However, the underlying mechanisms for the process remain unknown, although they have been linked to the semiconducting characteristics of hexagonal birnessite, the ubiquitous Mn(IV) oxide produced mainly by bacterial oxidation of soluble Mn(II). One of the universal properties of this biogenic mineral is the presence of Mn(IV) vacancies, long-identified as strong adsorption sites for metal cations. In this paper, the possible role of Mn vacancies in photoreductive dissolution is investigated theoretically using quantum mechanical calculations based on spin-polarized density functional theory (DFT). Our DFT study demonstrates unequivocally that Mn vacancies significantly reduce the band-gap energy for hexagonal birnessite relative to a hypothetical vacancy-free MnO{sub 2} and thus would increase the concentration of photo-induced electrons available for Mn(IV) reduction upon illumination of the mineral by sunlight. Calculations of the charge distribution in the presence of vacancies, although not fully conclusive, show a clear separation of photo-induced electrons and holes, implying a slow recombination of these charge-carriers that facilitates the two-electron reduction of Mn(IV) to Mn(II).

  3. NICKEL-FREE Fe-12Mn-0.2Ti ALLOY STEEL FOR CRYOGENIC APPLICATIONS

    E-Print Network [OSTI]

    Hwang, S.

    2010-01-01T23:59:59.000Z

    3, 1976 LBL-5401 l NICKEL-FREE Fe-12Mn-O. 2Ti ALLOY STEELowned rights. I v LBL-540l NICKEL-FREE Fe-12Mn-0.2Ti ALLOY94720 USA ABSTRACT A nickel-free Fe-12Mn-0.2Ti alloy steel

  4. Spark plasma sintering of Mn-Al-C hard magnets , E Fazakas2

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Spark plasma sintering of Mn-Al-C hard magnets A Pasko1 , M LoBue1 , E Fazakas2 , L K Varga2 and F characterization of isotropic Mn-Al-C bulk samples obtained by spark plasma sintering (SPS) is reported by spark plasma sintering (SPS). This technique, to our knowledge, has not been used for preparation of Mn

  5. Publications List Publication Title ISSN ISBN

    E-Print Network [OSTI]

    Hoffmann, Rolf

    -7803-4881-8 3-D Digital Imaging and Modeling, 1997. Proceedings., International Conference on 0-8186-7943-3 3-D Digital Imaging and Modeling, 1999. Proceedings. Second International Confer 0-7695-0062-5 3-D ImagingPublications List Publication Title ISSN ISBN 100 Years of Radio, 1995., International Conference

  6. ALISON SEXTON 52 Groveland Terrace, #105 | Minneapolis, MN, 55403

    E-Print Network [OSTI]

    Levinson, David M.

    : The Case of Solar Panel Heating Systems" (with Steven Sexton) PUBLICATIONS FOR GENERAL AUDIENCES Taking

  7. Masters of Nursing (MN) Degree Clinical Nurse Leader (CNL)

    E-Print Network [OSTI]

    Maxwell, Bruce D.

    Masters of Nursing (MN) Degree Clinical Nurse Leader (CNL) 4 Semester Program of Study Fall Design of Healthcare Delivery Systems ­ Lab (required) 1 (1 clinical lab) 611 Program Planning and Eval, Outcomes, & QI (required) 3 (3 lec) 510 Program Planning and Eval, Outcomes, & QI - Lab (required) 1 (1

  8. Masters of Nursing (MN) Degree Clinical Nurse Leader (CNL)

    E-Print Network [OSTI]

    Maxwell, Bruce D.

    , & QI (required) 3 (3 lec) 510 Program Planning and Eval, Outcomes, & QI - Lab (required) 1 (1 clinicalMasters of Nursing (MN) Degree Clinical Nurse Leader (CNL) 6 Semester Program of Study Fall Systems - Lab (required) 1 (1 clinical lab) 613 Finance and Budget (required) 2 6 (required) 612 Ethics

  9. Growing the renewable chemicals and advanced biofuels cluster in MN

    E-Print Network [OSTI]

    Levinson, David M.

    Growing the renewable chemicals and advanced biofuels cluster in MN #12;Renewable Chemical Value% Reduction 60% Reduction 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Gasoline Corn Ethanol Advanced Biofuel Cellulosic Biofuel Corn Ethanol 20% GHG Reduction Compared to gasoline: Advanced Biofuel 50% GHG Reduction e

  10. 1 Copyright 2006 by ASME Proceedings of MN2006

    E-Print Network [OSTI]

    Kostic, Milivoje M.

    1 Copyright © 2006 by ASME Proceedings of MN2006 Multifunctional Nanocomposites 2006 September 20 of nanoparticles (including nanofibers and functional nanocomposites) in common fluids, have a potential to meet-physical characteristics. Development of new-hybrid, drag-reducing nanofluids may lead to enhanced flow and heat transfer

  11. Mn/DOT's Ombudsman Program Collaboration and Process

    E-Print Network [OSTI]

    Minnesota, University of

    Mn/DOT's Ombudsman Program Collaboration and Process #12;Overview Ombudsman exists to rebuild trust on the environmental and municipal consent processes can be critical #12;A Large Organization #12;Tragedy;Ombudsman Does Not... ·! Advocate for one party or point of view ·! Own any formal process or policy

  12. Local Public Finance

    E-Print Network [OSTI]

    Quigley, John M.

    2008-01-01T23:59:59.000Z

    1959. The Theory of Public Finance. New York: McGraw-Hill.T. 2003. School finance, spatial income segregation, and theJohn M. "local public finance." The New Palgrave Dictionary

  13. Local Public Finance

    E-Print Network [OSTI]

    Quigley, John M.

    2008-01-01T23:59:59.000Z

    24. How to cite this article Quigley, John M. "local publicEW P ALGRAVE ) By John M. Quigley May 2008 These papers arelocal public finance John M. Quigley From The New Palgrave

  14. Local Public Finance

    E-Print Network [OSTI]

    Quigley, John M.

    2008-01-01T23:59:59.000Z

    cite this article Quigley, John M. "local public finance."HE N EW P ALGRAVE ) By John M. Quigley May 2008 These paperslocal public finance John M. Quigley From The New Palgrave

  15. Mississippi Public Utility Act

    Broader source: Energy.gov [DOE]

    The Mississippi Public Utility Act is relevant to any project that plans to generate energy. It requires that a utility must first obtain a Certificate of Public Convenience and Necessity (CPCN)...

  16. Community Health & Public Health

    E-Print Network [OSTI]

    Jiang, Huiqiang

    Community Health & Public Health Preparedness in the Marcellus Shale Era 2011 Pennsylvania Public Photo credit: Pittsburgh Tribune- Review, Keith Hodan #12;Safety by the Numbers PA Marcellus Citations. Conference presentation, Spain. · County Commissioners Association of Pennsylvania (CCAP). (2010). Marcellus

  17. 0 1 2 3 4 5 Fig. S1. Core photograph combined with Ca, Mn, Fe counts and Mn/Fe ratio determined by XRF core

    E-Print Network [OSTI]

    Gilli, Adrian

    1. Core photograph combined with Ca, Mn, Fe counts and Mn/Fe ratio determined by XRF core scanning determined by XRF core scanning on core ZH10-19 from Lake Zurich recovered in 135 m water depth (2 m above counts and Mn/Fe ratio determined by XRF core scanning on core ZH10-21 from Lake Zurich recovered in 123

  18. Indianapolis Public Transportation Corporation

    SciTech Connect (OSTI)

    Not Available

    2004-12-01T23:59:59.000Z

    Fact sheet describes the National Renewable Energy Laboratory's evaluation of Indianapolis Public Transportation Corporation's (IndyGo's) hybrid electric buses.

  19. Other Geothermal Energy Publications

    Broader source: Energy.gov [DOE]

    Here you'll find links to other organization's publications — including technical reports, newsletters, brochures, and more — about geothermal energy.

  20. Classification Documents and Publications

    Broader source: Energy.gov [DOE]

    Certain documents and publications created or issued by the Office of Classification are available from this page.

  1. EIA publications directory, 1992

    SciTech Connect (OSTI)

    Not Available

    1993-06-24T23:59:59.000Z

    This directory contains abstracts and ordering information for EIA publications. The abstracts are arranged by broad subject category such as coal, petroleum, natural gas, and electric power. A comprehensive subject index, a title index, and a report number index are included. Each entry gives the title, report number, publication frequency, date, number of pages, and ordering information. Publication began with the 1979 edition.

  2. TRINITY HALL PUBLICATION SCHEME

    E-Print Network [OSTI]

    Lasenby, Joan

    TRINITY HALL PUBLICATION SCHEME PART 1 INTRODUCTION 1. Legal requirement 1.1 Adopting a publication and whether or not charges will be made. 3. The `model' publication scheme for higher education 3.1 Trinity and is committed to publishing the information it describes. 4. Who we are 4.1 Trinity Hall is a college within

  3. Rodrigo Bańuelos: Publications.html

    E-Print Network [OSTI]

    MathScinet Publications and other (September 2013) · Link to Publications on MathScinet. RECENT PUBLICATIONS To Appear/In press: Bańuelos, Rodrigo ...

  4. Reactor & Nuclear Systems Publications | ORNL

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Science Home | Science & Discovery | Nuclear Science | Publications and Reports | Reactor and Nuclear Systems Publications SHARE Reactor and Nuclear Systems Publications The...

  5. Temperature dependence of the on-resonance portion Mn-NMR spectrum of a Mn(IV,IV) dimer

    E-Print Network [OSTI]

    --the tightly coupled techniques of cutting-edge cryogenic NMR experiments and highly electron correlated of leading-edge cryogenic nuclear magnetic resonance (NMR) measurements and advanced electronic structure with experimentally measureable parameters such as electric field gradient (EFG) tensor, electron's g-factor, 55 Mn

  6. The Mn effect on magnetic structure of FeMn-B amorphous metals , D.M.C. Nicholson2

    E-Print Network [OSTI]

    Widom, Michael

    magnetization and high permeability, which make them a good candidate for magnetic core materials in transformers and electrical motors. Lately, high Mn content, Fe-based bulk amorphous metals have been movement during the quenching process is determined by molecular dynamics simulation using the Vienna Ab

  7. Electronic structure and magnetism of Mn{sub 12}O{sub 12} clusters

    SciTech Connect (OSTI)

    Pederson, M.R. [Complex Systems Theory Branch-6692, Naval Research Laboratory, Washington, D.C. 20375-5000 (United States)] [Complex Systems Theory Branch-6692, Naval Research Laboratory, Washington, D.C. 20375-5000 (United States); Khanna, S.N. [Department of Physics, Virginia Commonwealth University, Richmond, Virginia 23284-2000 (United States)] [Department of Physics, Virginia Commonwealth University, Richmond, Virginia 23284-2000 (United States)

    1999-01-01T23:59:59.000Z

    To address the ferrimagnetic state of the Mn{sub 12} acetate matrix [Mn{sub 12}O{sub 12}(CH{sub 3}COO){sub 16}(H{sub 2}O){sub 4}] we have performed all-electron gradient-corrected density-functional calculations on (MnO){sub n} with n=1, 2, 4, and 12. In contrast to bulk MnO which is antiferromagnetic, the small (MnO){sub n} (n=1, 2, and 4) clusters are ferromagnetic with Mn moments of 5.0{mu}{sub B} but the ground state of Mn{sub 12}O{sub 12} is ferrimagnetic with a total magnetic moment of 20.0{mu}{sub B} as observed experimentally. The inner Mn sites in Mn{sub 12}O{sub 12} are found to have localized moments of 4.1{mu}{sub B} which are antiferromagnetically coupled to two types of outer Mn with moments of 4.2{mu}{sub B}. The cluster is shown to be marked by ionic as well as covalent bonds between Mn d and O p electrons and a strong intracluster magnetic coupling. {copyright} {ital 1999} {ital The American Physical Society}

  8. Giant Magnetic Moments and Magnetic Bistability of Stoichiomatric MnO Clusters

    SciTech Connect (OSTI)

    Nayak, S.K.; Jena, P. [Physics Department, Virginia Commonwealth University, Richmond, Virginia 23284-2000 (United States)] [Physics Department, Virginia Commonwealth University, Richmond, Virginia 23284-2000 (United States)

    1998-10-01T23:59:59.000Z

    {ital Abthinspthinspinitio} calculations based on density functional theory and generalized gradient approximation reveal many unusual features of stoichiometric (MnO){sub x} (x{le}9) clusters that contrast with their bulk behavior. The clusters are ferromagnetic and carry atomiclike magnetic moments ranging from 4{mu}{sub B} to 5{mu}{sub B} per MnO unit, and the moments are localized at the Mn sites. The (MnO){sub 8} cluster, in particular, exhibits nearly degenerate ferromagnetic and atypical antiferromagnetic solutions with the ferromagnetic structure carrying a moment of 40{mu}{sub B} . The structures of (MnO){sub x} clusters are also unique with cubic and hexagonal forms competing for stability. (MnO){sub 2} and (MnO){sub 3} are unusually stable and form the foundation for further growth. {copyright} {ital 1998} {ital The American Physical Society}

  9. Bending properties of epoxy resin matrix composites filled with NiMnGa ferromagnetic shape memory alloy powders

    E-Print Network [OSTI]

    Zheng, Yufeng

    Bending properties of epoxy resin matrix composites filled with Ni­Mn­Ga ferromagnetic shape memory­Mn­Ga Composite materials Mechanical properties Microstructure Two types of epoxy resin matrix composites filled­Mn­Ga epoxy resin composites were reported, yet the bending property of Ni­Mn­Ga-polymer smart composites has

  10. Atomic-resolution study of Mn tetramer clusters using scanning tunneling Rong Yang, Haiqiang Yang, and Arthur R. Smitha

    E-Print Network [OSTI]

    Atomic-resolution study of Mn tetramer clusters using scanning tunneling microscopy Rong Yang clusters is investigated. The clusters are composed of a quadrant array of Mn atoms forming a tetramer of manganese nitride, on which are stabilized peri- odic, self-organized array of MnN-bonded Mn tetramer clus

  11. Handbook of Public Information Systems Handbook of Public Information Systems

    E-Print Network [OSTI]

    IT and public administration, drawing on both the rising interest in the new public management (NPM) and new

  12. From Public Housing to Regulated Public Environments: The Redevelopment of San Francisco’s Public Housing

    E-Print Network [OSTI]

    Rongerude, Jane

    2007-01-01T23:59:59.000Z

    Gentrification, Public Housing and the Limits of Newof Families in Public Housing. Dissertation. University ofJeff. 2003. “The End of Public Housing as We Know It. ” The

  13. Magnetic field-induced phase transformation and variant reorientation in Ni2MnGa and NiMnCoIn magnetic shape memory alloys

    E-Print Network [OSTI]

    Karaca, Haluk Ersin

    2009-05-15T23:59:59.000Z

    The purpose of this work is to reveal the governing mechanisms responsible for the magnetic field-induced i) martensite reorientation in Ni2MnGa single crystals, ii) stress-assisted phase transformation in Ni2MnGa single crystals and iii) phase...

  14. Ferromagnetic Mn moments at SrRuO3/SrMnO3 interfaces Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439

    E-Print Network [OSTI]

    Haskel, Daniel

    Ferromagnetic Mn moments at SrRuO3/SrMnO3 interfaces Y. Choia Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439 Y. Z. Yoo, O. Chmaissem, A. Ullah, S. Kolesnik, and C. W University, DeKalb, Illinois 60115 D. Haskel Advanced Photon Source, Argonne National Laboratory, Argonne

  15. Charge transport properties of CdMnTe radiation detectors

    SciTech Connect (OSTI)

    Kim K.; Rafiel, R.; Boardman, M.; Reinhard, I.; Sarbutt, A.; Watt, G.; Watt, C.; Uxa, S.; Prokopovich, D.A.; Belas, E.; Bolotnikov, A.E.; James, R.B.

    2012-04-11T23:59:59.000Z

    Growth, fabrication and characterization of indium-doped cadmium manganese telluride (CdMnTe)radiation detectors have been described. Alpha-particle spectroscopy measurements and time resolved current transient measurements have yielded an average charge collection efficiency approaching 100 %. Spatially resolved charge collection efficiency maps have been produced for a range of detector bias voltages. Inhomogeneities in the charge transport of the CdMnTe crystals have been associated with chains of tellurium inclusions within the detector bulk. Further, it has been shown that the role of tellurium inclusions in degrading chargecollection is reduced with increasing values of bias voltage. The electron transit time was determined from time of flight measurements. From the dependence of drift velocity on applied electric field the electron mobility was found to be n = (718 55) cm2/Vs at room temperature.

  16. Large exchange bias enhancement in (Pt(or Pd)/Co)/IrMn/Co trilayers with ultrathin IrMn thanks to interfacial Cu dusting

    SciTech Connect (OSTI)

    Vinai, G. [SPINTEC, UMR 8191 CEA/CNRS/UJF/Grenoble-INP, CEA/INAC, 17, rue des Martyrs, 38054 Grenoble (France); Crocus Technology, 4 Place Robert Schuman, 38054 Grenoble (France); Moritz, J. [Institut Jean Lamour, UMR 7198 CNRS - Université de Lorraine, Bd des Aiguillettes, BP 70239, F-54506 Vandoeuvre-les-Nancy Cedex (France); Bandiera, S. [Crocus Technology, 4 Place Robert Schuman, 38054 Grenoble (France); Prejbeanu, I. L.; Dieny, B. [SPINTEC, UMR 8191 CEA/CNRS/UJF/Grenoble-INP, CEA/INAC, 17, rue des Martyrs, 38054 Grenoble (France)

    2014-04-21T23:59:59.000Z

    The magnitude of exchange bias (H{sub ex}) at room temperature can be significantly enhanced in IrMn/Co and (Pt(or Pd)/Co)/IrMn/Co structures thanks to the insertion of an ultrathin Cu dusting layer at the IrMn/Co interface. The combination of trilayer structure and interfacial Cu dusting leads to a three-fold increase in H{sub ex} as compared to the conventional IrMn/Co bilayer structure, with an increased blocking temperature (T{sub B}) and a concave curvature of the temperature dependence H{sub ex}(T), ideal for improved Thermally Assisted-Magnetic Random Access Memory storage layer. This exchange bias enhancement is ascribed to a reduction of the spin frustration at the IrMn/Co interface thanks to interfacial Cu addition.

  17. West Berkeley Public Library

    High Performance Buildings Database

    Berkeley, CA The West Berkeley Public Library, first opened in December 2013, is the first publicly funded Zero Net Energy public library in California. The library takes advantage of many innovative technologies and passive design strategies to achieve its Zero Net Energy goals. The project's Building Team, led by Harley Ellis Deveraux, partnered with PG&E's Savings By Design program to perform early-stage design analyses including climate modeling, computational fluid dynamics, daylighting, solar modeling, and energy simulations.

  18. Sandia National Laboratories: Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    This public benchmark represents analysis ... A Model for the Nation: Promoting Education and Innovation in Vermont's Electricity Sector On May 8, 2012, in Climate,...

  19. ORISE: Public Health Preparedness

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    by convening community-based workshops and key stakeholder meetings aimed at managing a health care surge during a public health emergency. By identifying and involving key...

  20. Emergency Public Information

    Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

    1997-08-21T23:59:59.000Z

    This volume defines elements of providing information to the public during and following emergencies. Canceled by DOE G 151.1-4.

  1. CEES Publications and Presentations

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    & Presentations CEES-Authored and Co-Authored Cover Stories Peer-Reviewed Publications Conference Proceedings, Abstracts, Presentations, and Poster Sessions Patents Frontiers in...

  2. JLF Publication Policy

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    performed at the Facility. Vehicles for the publication may include: Journal articles Conference proceedings articles Books or book chapters Technical reports Dissertations...

  3. Sandia Energy - EC Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    public fears regarding nuclear energy remain and are probably enhances by the effect of the tsunami on the Fukushima reactor, development of nuclear power is likely to continue...

  4. Geothermal Outreach Publications

    Broader source: Energy.gov [DOE]

    Here you'll find the U.S. Department of Energy's (DOE) most recent outreach publications about geothermal technologies, research, and development.

  5. Ge{sub 1-x}Mn{sub x} heteroepitaxial quantum dots: Growth, morphology, and magnetism

    SciTech Connect (OSTI)

    Kassim, J.; Nolph, C.; Reinke, P.; Floro, J. [Department of Materials Science and Engineering, University of Virginia, Charlottesville, Virginia 22904 (United States); Jamet, M. [Institut Nanosciences et Cryogenie/SP2M, CEA-UJF, F-38054 Grenoble (France)

    2013-02-21T23:59:59.000Z

    Heteroepitaxial Ge{sub 1-x}Mn{sub x} quantum dots (QDs) were grown on Si (001) by molecular beam epitaxial co-deposition, with x = 0 to 0.10, in order to explore the interaction between Mn content, surface morphological evolution, and magnetism. Morphological evolution typical of the Ge/Si (001) system was observed, where the effect of Mn on surface morphology is surprisingly minimal at low Mn content, with no obvious surface morphological indicators of second phase formation. As the Mn content increases, secondary phase formation becomes evident, appearing to heterogeneously nucleate on or within Ge QDs. Still higher Mn concentrations lead to extensive second phase formation interspersed with an array of Ge QDs. Although ferromagnetism up to 220 K is observed, likely arising from intermetallic precipitates, there is no clear evidence for room-temperature ferromagnetism associated with a dilute magnetic solution phase.

  6. Time resolved magneto-optical studies of ferromagnetic InMnSb films

    SciTech Connect (OSTI)

    Frazier, M.; Kini, R. N.; Nontapot, K.; Khodaparast, G. A. [Department of Physics, Virginia Tech, Blacksburg, Virginia 24061 (United States); Wojtowicz, T. [Institute of Physics, Polish Academy of Sciences 02-668 Warsaw (Poland); Liu, X.; Furdyna, J. K. [Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556 (United States)

    2008-02-11T23:59:59.000Z

    We report time resolved magneto-optical measurements in InMnSb ferromagnetic films with 2% and 2.8% Mn contents grown by low temperature molecular beam epitaxy. In order to probe a possible interaction between the spins of photoexcited carriers and the Mn ions, we measured spin dynamics before and after aligning the Mn ions by applying an external magnetic field at temperatures above and below the samples' Curie temperatures. We observed no significant temperature or magnetic field dependence in the relaxation times and attribute the observed dynamics entirely to the relaxation of photoexcited electrons in the conduction band where the s-d coupling with the localized Mn ions is significantly weaker compared to the p-d exchange coupling. We observed several differences in the optical response of our InMnSb samples which could have been influenced mainly by the samples' growth conditions.

  7. IV. -PHOTOMAGNETISM AND CONDUCT I W r PHOTOMAGNETIC EFFECT IN A Li-Mn FERRITE

    E-Print Network [OSTI]

    Paris-Sud XI, UniversitƩ de

    IV. - PHOTOMAGNETISM AND CONDUCT I W r PHOTOMAGNETIC EFFECT IN A Li-Mn FERRITE P. BERNSTEIN and T'effet photomagnCtique dans le ferrite Fez,I oLi0.45Mn0.4504 au moyen de la variation de la perm investigated in a Fez.loLi0.45Mn0.4504ferrite by looking at the variations of the permeability under light

  8. Doping-level-dependent optical properties of GaN:Mn O. Gelhausen,a)

    E-Print Network [OSTI]

    Nabben, Reinhard

    for system response. The optical absorption spectra recorded at 2 K of nomi- nally undoped GaN, GaN:Mn, and GaN:Mn:Si are presented in Fig. 1. An absorption band with a zero phonon line ZPL at 1.414 0.002 eDoping-level-dependent optical properties of GaN:Mn O. Gelhausen,a) E. Malguth, and M. R. Phillips

  9. Optical Properties of Mn-doped GaN O. Gelhausen1

    E-Print Network [OSTI]

    Nabben, Reinhard

    measurements. In the GaN:Mn, an intense absorption peak at 1.414 +/- 0.002 eV was observed. This peakOptical Properties of Mn-doped GaN O. Gelhausen1 , E. Malguth1,3 , M. R. Phillips1 , E. M. Goldys2, Germany ABSTRACT Molecular beam epitaxy-grown GaN with different Mn concentrations (5-23 x 1019 cm-3

  10. EIA Publications Directory 1993

    SciTech Connect (OSTI)

    Not Available

    1994-07-18T23:59:59.000Z

    This directory contains abstracts and ordering information for EIA publications released in the above time period. The abstracts are arranged by broad subject category such as coal, petroleum, natural gas, and electric power. A comprehensive subject index, a title index, and a report number index are included. Each entry gives the title, report number, publication frequency, date, number of pages, and ordering information.

  11. Public affairs plan

    SciTech Connect (OSTI)

    NONE

    1995-09-01T23:59:59.000Z

    The purpose of the Uranium Mill Tailings Remedial Action (UMTRA) Project Public Affairs Plan is to establish goals for the fiscal year (FY) 1996 UMTRA Project public affairs program and to identify specific activities to be conducted during the year. It describes the roles of various agencies involved in the public affairs program and defines the functions of the UMTRA Project Technical Assistance Contractor (TAC) Public Affairs Department. It replaces the FY 1995 Public Affairs Plan (DOE/AL/62350-154). The plan also describes the US Department of Energy`s (DOE) plans to keep stakeholders and other members of the public informed about UMTRA Project policies, plans, and activities, and provide opportunities for stakeholders and interested segments of the public to participate in UMTRA Project decision-making processes. The plan applies to the UMTRA Project Team; the DOE Grand Junction Projects Office (GJPO); the DOE Albuquerque Operations Office, Office of Public Affairs (OPA); the TAC; the UMTRA Project Remedial Action Contractor (RAC); and other cooperating agencies.

  12. Public affairs plan

    SciTech Connect (OSTI)

    Not Available

    1994-09-01T23:59:59.000Z

    The purpose of the Uranium Mill Tailings Remedial Action (UMTRA) Project Public Affairs Plan is to establish goals for the Fiscal Year 1995 UMTRA public affairs program and identify specific activities to be conducted during the year. It also describes the roles of various agencies involved in the conduct of the public affairs program and defines the functions of the Technical Assistance Contractor (TAC) Public Affairs Department. It integrates and replaces the Public Participation Plan (DOE/AL/62350-47D) and Public Information Plan (DOE/AL/623590-71). The plan describes the US Department of Energy`s (DOE) plans to keep stakeholders and other members of the public informed about project policies, plans, and activities, and provide opportunities for stakeholders and interested segments of the public to participate in project decision-making processes. The plan applies to the UMTRA Project Office; the DOE Albuquerque Operations Office, Office of Intergovernmental and External Affairs (OIEA); the UMTRA TAC; the UMTRA Remedial Action Contractor (RAC); and other cooperating agencies.

  13. Strain mediated coupling in magnetron sputtered multiferroic PZT/Ni-Mn-In/Si thin film heterostructure

    SciTech Connect (OSTI)

    Singh, Kirandeep; Kaur, Davinder, E-mail: dkaurfph@iitr.ernet.in [Functional Nanomaterials Research Lab, Department of Physics and Centre of Nanotechnology, Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand (India); Singh, Sushil Kumar [Functional Materials Division, Solid State Physics Lab (SSPL), DRDO, Lucknow Road, Timarpur, Delhi 110054 (India)

    2014-09-21T23:59:59.000Z

    The strain mediated electrical and magnetic properties were investigated in PZT/Ni-Mn-In heterostructure deposited on Si (100) by dc/rf magnetron sputtering. X-ray diffraction pattern revealed that (220) orientation of Ni-Mn-In facilitate the (110) oriented tertragonal phase growth of PZT layer in PZT/Ni-Mn-In heterostructure. A distinctive peak in dielectric constant versus temperature plots around martensitic phase transformation temperature of Ni-Mn-In showed a strain mediated coupling between Ni-Mn-In and PZT layers. The ferroelectric measurement taken at different temperatures exhibits a well saturated and temperature dependent P-E loops with a highest value of P{sub sat}???55 ?C/cm{sup 2} obtained during martensite-austenite transition temperature region of Ni-Mn-In. The stress induced by Ni-Mn-In layer on upper PZT film due to structural transformation from martensite to austenite resulted in temperature modulated Tunability of PZT/Ni-Mn-In heterostructure. A tunability of 42% was achieved at 290?K (structural transition region of Ni-Mn-In) in these heterostructures. I-V measurements taken at different temperatures indicated that ohmic conduction was the main conduction mechanism over a large electric field range in these heterostructures. Magnetic measurement revealed that heterostructure was ferromagnetic at room temperature with a saturation magnetization of ?123?emu/cm{sup 3}. Such multiferroic heterostructures exhibits promising applications in various microelectromechanical systems.

  14. Mn(II) Oxidation by an Ascomycete Fungus is Linked to Superoxide...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Asexual Reproduction. Abstract: Manganese (Mn) oxides are among the most reactive minerals within the environment, where they control the bioavailability of carbon, nutrients,...

  15. Enhancing SMM properties via axial distortion of Mn-3(III) clusters 

    E-Print Network [OSTI]

    Parsons S.; Brechin, E.K.; Collins A.; Karotsis G.; Jones L.F.; Inglis R.; Wernsdorfer W.; Perlepes S.P.

    2008-01-01T23:59:59.000Z

    Replacement of carboxylate and solvent with facially capping tripodal ligands enhances the single-molecule magnet (SMM) properties of [Mn-3(III)] triangles.

  16. Metastable phase boundaries of quasicrystalline phases. [Al-Mn; Al-Ru

    SciTech Connect (OSTI)

    Follstaedt, D.M.; Knapp, J.A.

    1987-01-01T23:59:59.000Z

    The melting curve (T/sub 0/) of the metastable icosahedral phase and the liquidus of the decagonal phase of Al-Mn have been obtained for 14 to 22 at. % Mn. Icosahedral Al-Mn has a congruent melting point of 910 +- 20/sup 0/C at 20 at. % Mn, and melts approx.30/sup 0/C lower than crystalline compounds with the same composition. Icosahedral Al/sub 82/Ru/sub 18/ was determined to melt at 1260 +- 30/sup 0/C. These results were obtained by forming single-phase icosahedral alloys with ion beam mixing, and by rapid heating to accurately known temperatures with electron beams.

  17. HIGH RESOLUTION SCANNING AUGER MICROSCOPIC INVESTIGATION OF INTERGRANULAR FRACTURE IN AS-QUENCHED Fe-12Mn

    E-Print Network [OSTI]

    Lee, H.J.

    2013-01-01T23:59:59.000Z

    contents in Fe-Mn alloys. Scanning electron fractographsTransactions HIGH RESOLUTION SCANNING AUGER MICROSCOPICof Califomia. HIGH RESOLUTION SCANNING AUGER MICROSCOPIC

  18. Preparation and electrochemical properties of lamellar MnO{sub 2} for supercapacitors

    SciTech Connect (OSTI)

    Yan, Jun; Wei, Tong [Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin 150001 (China)] [Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin 150001 (China); Cheng, Jie [Research Institute of Chemical Defense, Beijing 100083 (China)] [Research Institute of Chemical Defense, Beijing 100083 (China); Fan, Zhuangjun, E-mail: fanzhj666@163.com [Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin 150001 (China)] [Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin 150001 (China); Zhang, Milin [Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin 150001 (China)] [Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin 150001 (China)

    2010-02-15T23:59:59.000Z

    Lamellar birnessite-type MnO{sub 2} materials were prepared by changing the pH of the initial reaction system via hydrothermal synthesis. The interlayer spacing of MnO{sub 2} with a layered structure increased gradually when the initial pH value varied from 12.43 to 2.81, while the MnO{sub 2}, composed of {alpha}-MnO{sub 2} and {gamma}-MnO{sub 2}, had a rod-like structure at pH 0.63. Electrochemical studies indicated that the specific capacitance of birnessite-type MnO{sub 2} was much higher than that of rod-like MnO{sub 2} at high discharge current densities due to the lamellar structure with fast intercalation/deintercalation of protons and high utilization of MnO{sub 2}. The initial specific capacitance of MnO{sub 2} prepared at pH 2.81 was 242.1 F g{sup -1} at 2 mA cm{sup -2} in 2 mol L{sup -1} (NH{sub 4}){sub 2}SO{sub 4} aqueous electrolyte. The capacitance increased by about 8.1% of initial capacitance after 200 cycles at a current density of 100 mA cm{sup -2}.

  19. Protective effects of ebselen (Ebs) and para-aminosalicylic acid (PAS) against manganese (Mn)-induced neurotoxicity

    SciTech Connect (OSTI)

    Marreilha dos Santos, A.P., E-mail: apsantos@ff.ul.pt [I-Med.UL, Department of Toxicology and Food Sciences, Faculty of Pharmacy, University of Lisbon, Lisbon (Portugal); Lucas, Rui L.; Andrade, Vanda; Mateus, M. Luķsa [I-Med.UL, Department of Toxicology and Food Sciences, Faculty of Pharmacy, University of Lisbon, Lisbon (Portugal)] [I-Med.UL, Department of Toxicology and Food Sciences, Faculty of Pharmacy, University of Lisbon, Lisbon (Portugal); Milatovic, Dejan; Aschner, Michael [Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN 37232 (United States)] [Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN 37232 (United States); Batoreu, M. Camila [I-Med.UL, Department of Toxicology and Food Sciences, Faculty of Pharmacy, University of Lisbon, Lisbon (Portugal)] [I-Med.UL, Department of Toxicology and Food Sciences, Faculty of Pharmacy, University of Lisbon, Lisbon (Portugal)

    2012-02-01T23:59:59.000Z

    Chronic, excessive exposure to manganese (Mn) may induce neurotoxicity and cause an irreversible brain disease, referred to as manganism. Efficacious therapies for the treatment of Mn are lacking, mandating the development of new interventions. The purpose of the present study was to investigate the efficacy of ebselen (Ebs) and para-aminosalicylic acid (PAS) in attenuating the neurotoxic effects of Mn in an in vivo rat model. Exposure biomarkers, inflammatory and oxidative stress biomarkers, as well as behavioral parameters were evaluated. Co-treatment with Mn plus Ebs or Mn plus PAS caused a significant decrease in blood and brain Mn concentrations (compared to rats treated with Mn alone), concomitant with reduced brain E{sub 2} prostaglandin (PGE{sub 2}) and enhanced brain glutathione (GSH) levels, decreased serum prolactin (PRL) levels, and increased ambulation and rearing activities. Taken together, these results establish that both PAS and Ebs are efficacious in reducing Mn body burden, neuroinflammation, oxidative stress and locomotor activity impairments in a rat model of Mn-induced toxicity. -- Highlights: ? The manuscript is unique in its approach to the neurotoxicity of Mn. ? The manuscript incorporates molecular, cellular and functional (behavioral) analyses. ? Both PAS and Ebs are effective in restoring Mn behavioral function. ? Both PAS and Ebs are effective in reducing Mn-induced oxidative stress. ? Both PAS and Ebs led to a decrease in Mn-induced neuro-inflammation.

  20. Communicating with the public

    SciTech Connect (OSTI)

    Blumenthal, M. [Scrap Tire Management Council, Washington, DC (United States)

    1998-12-31T23:59:59.000Z

    As industries move forward with their daily activities or attempt to introduce new technologies or changes to their operations, they encounter a series of reactions from the regulatory community and the public. How a company approaches and deals with these factors that can influence the general perception of a situation can greatly affect the duration of the process and the severity of the reactions. One of the most critical components that can have impact this process is how you communicate with the public. From the experiences gained in the field, a method for communicating with the public has been developed that can assist a combustion facility in this effort.

  1. Opti-MN Impact House Presentation | Department of Energy

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directed offOCHCO2:Introduction toManagementOPAM PolicyOfEnergy Online1 MarchOpti-MN Impact House

  2. MN Office of Energy Security | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation, searchOfRose Bend < MHKconverter <WAG BuoyYOG < MHKbioWaveTHETugboat/MN

  3. DOE - Office of Legacy Management -- Elk River Reactor - MN 01

    Office of Legacy Management (LM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOn AprilA group currentBradleyTable ofArizonaBuffalo -Elk River Reactor - MN 01 FUSRAP

  4. Public Works Transportation Infrastructure Study

    E-Print Network [OSTI]

    Minnesota, University of

    Public Works Transportation Infrastructure Study Minneapolis City of Lakes Minneapolis Public Works Transportation Infrastructure Study #12;Public Works Transportation Infrastructure Study Minneapolis City Works Transportation Infrastructure Study Minneapolis City of Lakes Background: Ā· Currently, funding

  5. Public Utilities Act (Illinois)

    Broader source: Energy.gov [DOE]

    This act aims to make energy services in the state reliable and efficient, while preserving the quality if the environment. It states the duties of public utilities in terms of accounts and reports...

  6. Public Utilities (Florida)

    Broader source: Energy.gov [DOE]

    Chapter 366 of the Florida Statutes governs the operation of public utilities, and includes a section pertaining to cogeneration and small power production (366.051). This section establishes the...

  7. 130517 - Public Meeting - Notepad

    Broader source: Energy.gov (indexed) [DOE]

    is intended to be built whether or not Page 4 130517 - Public Meeting 6 the Baja WindEnergia Sierra Project is constructed. 7 Now, before I begin calling on speakers, I'm 8...

  8. Petroleum Institute Scholarly Publications

    E-Print Network [OSTI]

    2008 #12;- 5 - Scholarly Publications 2007 | The Petroleum Institute Patents Chemical Engineering Editor: C. Brandt Program Editors: K. Nandakumar Chemical Engineering A. A. Shehada Electrical Engineering A. Goharzadeh Mechanical Engineering F. Akgun Engineering S. Morad Petroleum Geosciences H. L. Lim

  9. Sandia National Laboratories: Biofuels Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    SystemsRenewable EnergyBiomassBiofuelsBiofuels Publications Biofuels Publications Undergirded by the powerful capabilities, state-of-the-art facilities, and brilliant minds that...

  10. New research, publications and videos

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    New research, publications and videos Alumni Link: Opportunities, News and Resources for Former Employees Latest Issue:March 2015 All Issues submit New research, publications...

  11. BBEE Public Utility Conference Call

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    BBEE Public Utility Conference Call May 19, 2011 - Summary Summer Goodwin, BPA, welcomed public utility representative participants, asked them to introduce themselves, and...

  12. Lattice Mn3+ Behaviors in Li4Ti5O12/LiNi0.5Mn1.5O4 Full Cells

    SciTech Connect (OSTI)

    Zheng, Jianming; Xiao, Jie; Nie, Zimin; Zhang, Jiguang

    2013-05-28T23:59:59.000Z

    High voltage spinels LiNi0.5Mn1.5O4 (LNMO) with different contents of residual Mn3+ ions have been evaluated in full cells using Li4Ti5O12 (LTO) as standard anode. Greatly improved cycling stability has been observed for all spinels in LTO-limited full cell, compared with those in LNMO-limited ones, while the underlying mechanisms are quite different. It has been discovered that the participation of active Mn3+ in the extended cycling and thus its observable contribution to Li+ diffusion kinetics depend on the limiting electrode and the sufficiency of Li+ ions. Potential Mn dissolution has also been discussed to identify the key factors that need to be considered to construct full cells employing high voltage spinel as the cathode.

  13. Disordered electronic and magnetic systems - transition metal (Mn) and rare earth (Gd) doped amorphous group IV semiconductors (C, Si, Ge)

    E-Print Network [OSTI]

    Zeng, Li

    2007-01-01T23:59:59.000Z

    various transition or rare-earth metals provide a rich ?eldTransition Metal (Mn) and Rare Earth (Gd) Doped AmorphousTransition Metal (Mn) and Rare Earth (Gd) Doped Amorphous

  14. Photovoltaic effect in multiphase Bi-Mn-O thin J. P. Chakrabartty,1

    E-Print Network [OSTI]

    Photovoltaic effect in multiphase Bi-Mn-O thin films J. P. Chakrabartty,1 R. Nechache,2,4 C and therefore the photovoltaic conversion efficiency. Specifically, a higher Bi/Mn ratio (towards unity separation. ©2013 Optical Society of America OCIS codes: (040.5350) Photovoltaic; (160.2260) Ferroelectrics

  15. Irradiated Esophageal Cells are Protected from Radiation-Induced Recombination by MnSOD Gene Therapy

    E-Print Network [OSTI]

    Engelward, Bevin

    Irradiated Esophageal Cells are Protected from Radiation-Induced Recombination by MnSOD Gene. Irradiated Esophageal Cells are Protected from Radiation- Induced Recombination by MnSOD Gene Therapy. Radiat,a Bevin Engelward,b Michael Epperlya and Joel S. Greenbergera,1 a Departments of Radiation Oncology

  16. Magnetic cluster excitations in the antiferromagnetic phase of a-MnMoO4 

    E-Print Network [OSTI]

    Ochsenbein, Stefan T; Chaboussant, Gregory; Sieber, Andreas; Gudel, Hans U; Janssen, Stefan; Furrer, Albert; Attfield, J. Paul

    2003-01-01T23:59:59.000Z

    The tetramer-based compound a-MnMoO4 exhibits four prominent peaks in the inelastic neutron scattering (INS) spectrum between 0.5 and 2.0 meV below 10 K. They are assigned to magnetic excitations of the (Mn2+)4 rhombus ...

  17. An Analysis of Mn-Zn Ferrite Microstructure by Impedance Spectroscopy, STEM and EDS Characterisations.

    E-Print Network [OSTI]

    Boyer, Edmond

    An Analysis of Mn-Zn Ferrite Microstructure by Impedance Spectroscopy, STEM and EDS.loyau@satie.ens-cachan.fr Abstract AC resistivity measurement results on Mn-Zn sintered ferrite were analyzed in the 0.1-500 MHz of the main limitations in frequency increase is the energy dissipations by losses in ferrites that produce

  18. Synthesis and Characterization of NiMnGa Ferromagnetic Shape Memory Alloy Thin Films

    E-Print Network [OSTI]

    Jetta, Nishitha

    2011-10-21T23:59:59.000Z

    for fabricating NiMnGa thin films with desired composition and microstructure and hence unique properties for future MEMS actuator materials and characterize their properties to aid better understanding of their behavior. In this project NiMnGa thin films have...

  19. Short communication The composite rods of MnO and multi-walled carbon nanotubes as

    E-Print Network [OSTI]

    Ceder, Gerbrand

    Short communication The composite rods of MnO and multi-walled carbon nanotubes as anode materialsO as an anode material for lithium ion batteries are significantly improved. The MnO/MWNTs composite shows a Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education, Xi'an Jiaotong

  20. Additive and Competitive Effects of Bacteria and Mn Oxides on Arsenite Oxidation Kinetics

    E-Print Network [OSTI]

    Sparks, Donald L.

    Additive and Competitive Effects of Bacteria and Mn Oxides on Arsenite Oxidation Kinetics L oxidizing As(III) at the same time than for either component alone. The additive effect of the mixed cell even though As(III) was oxidized fastest in a mixed cell--MnO2 system. The additive effect of biotic

  1. NICKEL-FREE Fe-12Mn-0.2Ti ALLOY STEEL FOR CRYOGENIC APPLICATIONS

    E-Print Network [OSTI]

    Hwang, S.

    2010-01-01T23:59:59.000Z

    Parr, J. Gordon, J. Iron and Steel Inst. B, vol. 283,137 (Properties of Fe-12Mn-0.2Ti Steel at -196°C Yield Stress (FREE Fe-12Mn-O. 2Ti ALLOY STEEL FOR CRYOGENIC APPLICATIONS

  2. austenitnoj cr-mn stali: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    cr-mn stali First Page Previous Page 1 2 3 4 5 6 Next Page Last Page Topic Index 1 Cavitation erosion of laser processed Fe-Cr-Mn and Fe-Cr-Co alloys CiteSeer Summary: Received...

  3. Single-Crystalline Diluted Magnetic Semiconductor GaN:Mn Nanowires**

    E-Print Network [OSTI]

    Yang, Peidong

    Single-Crystalline Diluted Magnetic Semiconductor GaN:Mn Nanowires** By Heon-Jin Choi*, Han-mediated ferromagnetism. These ferromagnetic GaN:Mn nanowires represent an important class of nanometer-scale building blocks for spintronics. Theoretical studies indicate that transition-metal-doped GaN possesses

  4. Public Domain, Public Interest, Public Funding: Focussing on the ‘Three P’s’ in Scientific Research 

    E-Print Network [OSTI]

    Waelde, Charlotte

    2005-01-01T23:59:59.000Z

    The paper discusses the ‘three Ps’ of scientific research: Public Domain; Public Interest; Public Funding by examining difficulties faced by scientists engaged in scientific research. It discusses the problems faced when ...

  5. Graduate School of Public Health (Graduate School of Public Health) (Dept. of Public Health)`

    E-Print Network [OSTI]

    Kim, Guebuem

    including environmental health covering concept of contents and meanings. (Health Care Management-3-0 History of Health & Medical Care , , . , , , . This course reviews Graduate School of Public Health #12;#12;(Graduate School of Public Health) (Dept. of Public

  6. Core-level satellites and outer core-level multiplet splitting in Mn model compounds

    SciTech Connect (OSTI)

    Nelson, A. J. [Lawrence Livermore National Laboratory, University of California, Livermore, California 94550 (United States)] [Lawrence Livermore National Laboratory, University of California, Livermore, California 94550 (United States); Reynolds, John G. [Lawrence Livermore National Laboratory, University of California, Livermore, California 94550 (United States)] [Lawrence Livermore National Laboratory, University of California, Livermore, California 94550 (United States); Roos, Joseph W. [Ethyl Corporation, Richmond, Virginia 23217 (United States)] [Ethyl Corporation, Richmond, Virginia 23217 (United States)

    2000-07-01T23:59:59.000Z

    We report a systematic study of the Mn 2p, 3s, and 3p core-level photoemission and satellite structures for Mn model compounds. Charge transfer from the ligand state to the 3d metal state is observed and is distinguished by prominent shake-up satellites. We also observe that the Mn 3s multiplet splitting becomes smaller as the Mn oxidation state increases, and that 3s-3d electron correlation reduces the branching ratio of the {sup 7}S:{sup 5}S states in the Mn 3s spectra. In addition, as the ligand electronegativity decreases, the spin-state purity is lost in the 3s spectra, as evidenced by peak broadening. Our results are best understood in terms of the configuration-interaction model including intrashell electron correlation, charge transfer, and final-state screening. (c) 2000 American Vacuum Society.

  7. Neutron diffraction study of MnNiGa{sub 2}—Structural and magnetic behaviour

    SciTech Connect (OSTI)

    Wang, J. L., E-mail: jianli@uow.edu.au [Institute for Superconductivity and Electronic Materials, University of Wollongong, Wollongong, NSW 2522 (Australia); Bragg Institute, ANSTO, Lucas Heights, NSW 2234 (Australia); School of Physical, Environmental and Mathematical Sciences, The University of New South Wales, Canberra, ACT 2600 (Australia); Ma, L.; Wu, G. H. [Institute of Physics, Chinese Academy of Science, Beijing 100190 (China); Hofmann, M. [FRM-II, Technische Universität München, 85747 Garching (Germany); Avdeev, M.; Kennedy, S. J. [Bragg Institute, ANSTO, Lucas Heights, NSW 2234 (Australia); Campbell, S. J. [School of Physical, Environmental and Mathematical Sciences, The University of New South Wales, Canberra, ACT 2600 (Australia); Md Din, M. F.; Dou, S. X. [Institute for Superconductivity and Electronic Materials, University of Wollongong, Wollongong, NSW 2522 (Australia); Hoelzel, M. [FRM-II, Technische Universität München, 85747 Garching (Germany); Fachbereich Materialwissenschaften, Technische Universität Darmstadt, 64287 Darmstadt (Germany)

    2014-05-07T23:59:59.000Z

    MnNiGa{sub 2} crystallizes in the L21 (Heusler) structure and has a ferromagnetic ordering temperature T{sub C}???192?K. Rietveld refinement of the neutron diffraction patterns indicates that the Ga atoms occupy the equivalent 8c position, while Mn and Ni share the 4a (0, 0, 0) and 4b (0.5, 0.5, 0.5) sites with a mixed occupancy of Mn and Ni atoms. It is found that that ?83% of Mn and ?17% Ni are located at the 4a site while ?83% of Ni and ?17% Mn occupy the 4b site. There is no evidence of a magneto-volume effect around T{sub C}. In agreement with this finding, our detailed critical exponent analyses of isothermal magnetization curves and the related Arrott plots confirm that the magnetic phase transition at T{sub C} is second order.

  8. Surface alloys of icosahedral AlMnSi with phason distortions

    SciTech Connect (OSTI)

    Follstaedt, D.M.; Knapp, J.A.

    1986-12-01T23:59:59.000Z

    The microstructures produced by electron-beam melting and by ion-beam mixing Al/Mn and Al/Mn/Si layers on Si substrates are examined. The treatments were found to incorporate Si from the substrate into the surface alloy. Several phases formed, depending on treatment, including ..cap alpha..- and ..beta..-AlMnSi, ..mu..-AlMn (epitaxial on Si(111), and amorphous and icosahedral AlMnSi. The observed microstructures relate the novel icosahedral phase to other phases and elucidate its formation kinetics. Diffraction patterns from large icosahedral grains (up to 5 ..mu..m) show distortions in the position and shape of weak (but not strong) reflections, as predicted for phason defects in a quasicrystalline lattice, one of the structures proposed for icosahedral phases.

  9. NIST Special Publication 800-160 Initial Public Draft

    E-Print Network [OSTI]

    the Federal Information Security Management Act (FISMA), Public Law (P.L.) 107-347. NIST is responsible agencies may wish to closely follow the development of these new publications by NIST. OrganizationsNIST Special Publication 800-160 Initial Public Draft Systems Security Engineering An Integrated

  10. From Public Housing to Regulated Public Environments: The Redevelopment of San Francisco’s Public Housing

    E-Print Network [OSTI]

    Rongerude, Jane

    2007-01-01T23:59:59.000Z

    public interest, SFHA is rapidly adopting new and improved industry standards in operations and management,management of poverty and forge new institutional bonds between the public

  11. Mn3O4-Graphene Hybrid as a High-Capacity Anode Material for Lithium Ion Hailiang Wang,,

    E-Print Network [OSTI]

    Cui, Yi

    Mn3O4-Graphene Hybrid as a High-Capacity Anode Material for Lithium Ion Batteries Hailiang Wang hybrid materials of Mn3O4 nanoparticles on reduced graphene oxide (RGO) sheets for lithium ion battery stability, owing to the intimate interactions between the graphene substrates and the Mn3O4 nanoparticles

  12. At A Glance Environmental Public Health

    E-Print Network [OSTI]

    Grantees TM #12;Environmental Public Health Tracking 2 Environmental Public Health Tracking: Linking

  13. Demonstration Assessment of Light-Emitting Diode (LED) Roadway Lighting at the I-35W Bridge, Minneapolis, MN

    SciTech Connect (OSTI)

    Kinzey, Bruce R.; Myer, Michael

    2009-08-31T23:59:59.000Z

    This report describes the process and results of a demonstration of solid-state lighting (SSL) technology conducted in 2009 at the recently reconstructed I-35W bridge in Minneapolis, MN. The project was supported under the U.S. Department of Energy (DOE) Solid-State Lighting GATEWAY Technology Demonstration Program. Other participants in the demonstration project included the Minnesota Department of Transportation (Mn/DOT), Federal Highways Administration (FHWA), and BetaLED™ (a division of Ruud Lighting). Pacific Northwest National Laboratory (PNNL) conducted the measurements and analysis of the results. DOE has implemented a three-year evaluation of the LED luminaires in this installation in order to develop new longitudinal field data on LED performance in a challenging, real-world environment. This document provides information through the initial phase of the I-35W bridge project, up to and including the opening of the bridge to the public and the initial feedback received on the LED lighting installation from bridge users. Initial findings of the evaluation are favorable, with minimum energy savings level of 13% for the LED installation relative to the simulated base case using 250W high-pressure sodium (HPS) fixtures. The LEDs had an average illuminance level of 0.91 foot candles compared to 1.29 fc for the HPS lamps. The LED luminaires cost $38,000 more than HPS lamps, yielding a lengthy payback period, however the bridge contractor had offered to include the LED luminaires as part of the construction package at no additional cost. One potentially significant benefit of the LEDs in this installation is avoiding rolling lane closures on the heavily-traveled interstate bridge for the purpose of relamping the HPS fixtures. Rolling lane closures involve multiple crew members and various maintenance and safety vehicles, diversion of traffic, as well as related administrative tasks (e.g., approvals, scheduling, etc.). Mn/DOT records show an average cost of relamping fixtures along interstate roadways of between $130-150 per pole. The previous bridge saw a lamp mortality rate of approximately 50% every two years, though the new bridge was designed to minimize many of the vibration issues. A voluntary Web-based feedback survey of nearly 500 self-described bridge users showed strong preference for the LED lighting - positive comments outnumbered negative ones by about five-to-one.

  14. ARM - Publications Procedures

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625govInstrumentstdmadap Documentation TDMADAP :ProductsVaisala CL51 ceilometergovPublicationsPublications Procedures

  15. Public Affairs Department

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOnItemResearch > TheNuclear Press Releases ArchiveServices Ā»ProjectsPublic AccessPublic

  16. Publications - Cyclotron Institute

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOnItemResearch > TheNuclear Press Releases ArchiveServicesPublicationPublications

  17. Management of Public Communications Publications, and Scientific, Engineering, and Technical Publications

    Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

    1979-08-10T23:59:59.000Z

    This order prescribes policies, standards, and procedures for effective management of Department of Energy (DOE) publications.

  18. Investigations of segregation phenomena in highly strained Mn-doped Ge wetting layers and Ge quantum dots embedded in silicon

    SciTech Connect (OSTI)

    Prestat, E., E-mail: eric.prestat@gmail.com; Porret, C.; Favre-Nicolin, V.; Tainoff, D.; Boukhari, M.; Bayle-Guillemaud, P.; Jamet, M.; Barski, A., E-mail: andre.barski@cea.com [INAC, SP2M, CEA and Université Joseph Fourier, 17 rue des Martyrs, 38054 Grenoble (France)

    2014-03-10T23:59:59.000Z

    In this Letter, we investigate manganese diffusion and the formation of Mn precipitates in highly strained, few monolayer thick, Mn-doped Ge wetting layers and nanometric size Ge quantum dot heterostructures embedded in silicon. We show that in this Ge(Mn)/Si system manganese always precipitates and that the size and the position of Mn clusters (precipitates) depend on the growth temperature. At high growth temperature, manganese strongly diffuses from germanium to silicon, whereas decreasing the growth temperature reduces the manganese diffusion. In the germanium quantum dots layers, Mn precipitates are detected, not only in partially relaxed quantum dots but also in fully strained germanium wetting layers between the dots.

  19. Structural characterization of terrestrial microbial Mn oxides from Pinal Creek, AZ

    SciTech Connect (OSTI)

    Bargar, John; Fuller, Christopher; Marcus, Matthew A.; Brearley, Adrian J.; Perez De la Rosa, M.; Webb, Samuel M.; Caldwell, Wendel A.

    2008-03-19T23:59:59.000Z

    The microbial catalysis of Mn(II) oxidation is believed to be a dominant source of abundant sorption- and redox-active Mn oxides in marine, freshwater, and subsurface aquatic environments. In spite of their importance, environmental oxides of known biogenic origin have generally not been characterized in detail from a structural perspective. Hyporheic zone Mn oxide grain coatings at Pinal Creek, Arizona, a metals-contaminated stream, have been identified as being dominantly microbial in origin and are well studied from bulk chemistry and contaminant hydrology perspectives. This site thus presents an excellent opportunity to study the structures of terrestrial microbial Mn oxides in detail. XRD and EXAFS measurements performed in this study indicate that the hydrated Pinal Creek Mn oxide grain coatings are layer-type Mn oxides with dominantly hexagonal or pseudo-hexagonal layer symmetry. XRD and TEM measurements suggest the oxides to be nanoparticulate plates with average dimensions on the order of 11 nm thick x 35 nm diameter, but with individual particles exhibiting thickness as small as a single layer and sheets as wide as 500 nm. The hydrated oxides exhibit a 10-A basal-plane spacing and turbostratic disorder. EXAFS analyses suggest the oxides contain layer Mn(IV) site vacancy defects, and layer Mn(III) is inferred to be present, as deduced from Jahn-Teller distortion of the local structure. The physical geometry and structural details of the coatings suggest formation within microbial biofilms. The biogenic Mnoxides are stable with respect to transformation into thermodynamically more stable phases over a time scale of at least 5 months. The nanoparticulate layered structural motif, also observed in pure culture laboratory studies, appears to be characteristic of biogenic Mn oxides and may explain the common occurrence of this mineral habit in soils and sediments.

  20. Mn Occupations in Ga1-xMnxN Dilute Magnetic Semiconductors Probed by X-Ray Absorption Near-Edge Structure Spectroscopy

    SciTech Connect (OSTI)

    Wei Shiqiang; Yan Wensheng; Sun Zhihu; Liu Qinghua; Zhong Wenjie [National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029 (China); Zhang Xinyi [Department of Physics, Surface Physics Laboratory (National Key Laboratory), Fudan University, 220 Handan Road, Shanghai 200433 (China); Synchrotron Radiation Research Center, Fudan University, 220 Handan Road, Shanghai 200433 (China); Oyanagi, H. [Photonics Research Institute, National Institute of Advanced Industrial Science and Technology 1-1-1 Umezono Tsukuba, Ibaraki 305-8568 (Japan); Wu Ziyu [Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039 (China)

    2007-02-02T23:59:59.000Z

    X-ray absorption near-edge structure (XANES) is used to study the characteristics of different sites of Mn in the Ga1-xMnxN dilute magnetic semiconductor (DMS) with zinc-blende structure. The XANES spectra of representative Mn occupation sites (substitutional MnGa, interstitial MnI, MnGa-MnI dimer and Mn cluster) in GaN lattice are theoretically calculated and compared with experimental results. The substitutional Mn in GaN is characterized by a pre-edge peak at 2.0 eV and a post-edge multiple-scattering peak at 29.1 eV. The peaks shift in position and drop in intensity dramatically for the interstitial MnI and MnGa-MnI dimmer, and disappear completely for Mn clusters. We propose that the distinct characteristics of Mn K-edge XANES spectra for different Mn sites favor to discriminate Mn occupations in GaMnN DMS.

  1. Publications Edited Volume

    E-Print Network [OSTI]

    MacIver, Malcolm A.

    of Robots with Passive Environments: Application to Force Feedback Control Ed Colgate and Neville Hogan, J. Edward Colgate Industrial Robot, 26 (5), 1999, pp 335-341 Toward Robot-Assisted VascularPublications Edited Volume Advances in Robotics, Mechatronics, and Haptic Interfaces 1993 Edited

  2. QTR Public Webinar 1

    Broader source: Energy.gov [DOE]

    This is the second public webinar hosted by the Office of the Under Secretary for Science and Energy to describe work in progress on the QTR 2015. The comment process following this webinar, will provide an opportunity for stakeholders and experts to provide input.

  3. Robert Reedy Publications

    E-Print Network [OSTI]

    Yang, Zong-Liang

    ., Aquifers of West Texas: San Angelo, Texas, Texas Water Development Board, Report 360, p. 269­291. ArticlesRobert Reedy Publications July 8, 2008 Business address: The University of Texas at Austin Bureau of Economic Geology University Station, Box X Austin, Texas 78713-8924 (512) 471-7244 E-mail address: bob

  4. Randal E. Bryant Publications

    E-Print Network [OSTI]

    Bryant, Randal E.

    Randal E. Bryant Publications Books and Book Chapters R. E. Bryant, and D. R. O'Hallaron, Computer at http://csapp.cs.cmu.edu/. R. E. Bryant, and J. H. Kukula, "Formal Methods for Functional Verification Publishers, 2003, pp. 3­16. Available as http://www.cs.cmu.edu/~bryant/pubdir/iccad-best02.pdf. R. E. Bryant

  5. Randal E. Bryant Publications

    E-Print Network [OSTI]

    Treuille, Adrien

    Randal E. Bryant Publications Books and Book Chapters R. E. Bryant, and D. R. O'Hallaron, Computer at http://csapp.cs.cmu.edu/. R. E. Bryant, and J. H. Kukula, ``Formal Methods for Functional Verification Publishers, 2003, pp. 3--16. Available as http://www.cs.cmu.edu/ā?¯bryant/pubdir/iccadĀ­best02.pdf. R. E. Bryant

  6. OSCAR P. BRUNO PUBLICATIONS

    E-Print Network [OSTI]

    . P. Bruno. Submitted to Proc. Roy. Soc. Edinburgh. Available at http://arxiv. org/pdf/1204.3699v1.pdf laws", K. Shahbazi, N. Albin, O. P. Bruno, J. S. Hesthaven, Journal of Computational Physics 230, 8779OSCAR P. BRUNO PUBLICATIONS · "Higher-Order Linear-Time Unconditionally Stable ADI Methods

  7. Publications Peer reviewed articles

    E-Print Network [OSTI]

    Reimchen, Thomas E.

    Publications Peer reviewed articles Deagle, B.E., N.J. Gales and M.A. Hindell (2008) Variability polymerase chain reaction. Marine Biotechnology 7:11-20 Patil, J.G., R. M. Gunasekera, B.E. Deagle, N.J. Bax dinoflagellate, Gymnodinium catenatum (Graham) in ballast water and environmental samples. Biological Invasions 7

  8. Bradley J Lucier: Publications

    E-Print Network [OSTI]

    Undergraduate · Graduate · Applied Math · Actuarial · Courses ... Publications listed in Math Reviews as of September 17, 2013. See also "Other ... In Mathematical methods in computer aided geometric design, II (Biri, 1991), pages 391-400. .... Engineering in Medicine and Biology Magazine, 14(5):570-577, 1995. Ronald A.

  9. Public Health FAT FACTORS

    E-Print Network [OSTI]

    Qian, Ning

    : THE UNITED STATES SPENDS MORE ON HEALTH CARE THAN ANY OTHER COUNTRY. YET WE CONTINUE TO FALL FAR BEHIND States spends an astonishing percent of our gross domestic product on health care--significantly moreColumbia Public Health HOT TOPIC Climate Change FAT FACTORS Obesity Prevention BOOK SMART

  10. TRINITY HALL PUBLICATION SCHEME

    E-Print Network [OSTI]

    Lasenby, Joan

    TRINITY HALL PUBLICATION SCHEME PART 2 Main categories The main groups of classes of information Trinity Hall was founded in 1350 by William Bateman, Bishop of Norwich, as a common law corporation to the University and College Statutes. The Education (Listed Bodies) Order 1997 recognises Trinity Hall

  11. Quantum Anomalous Hall Effect in Hg_1-yMn_yTe Quantum Wells

    SciTech Connect (OSTI)

    Liu, Chao-Xing; /Tsinghua U., Beijing /Stanford U., Phys. Dept.; Qi, Xiao-Liang; /Stanford U., Phys. Dept.; Dai, Xi; Fang, Zhong; /Beijing, Inst. Phys.; Zhang, Shou-Cheng; /Stanford U., Phys. Dept.

    2010-03-19T23:59:59.000Z

    The quantum Hall effect is usually observed when the two-dimensional electron gas is subjected to an external magnetic field, so that their quantum states form Landau levels. In this work we predict that a new phenomenon, the quantum anomalous Hall effect, can be realized in Hg{sub 1-y}Mn{sub y}Te quantum wells, without the external magnetic field and the associated Landau levels. This effect arises purely from the spin polarization of the Mn atoms, and the quantized Hall conductance is predicted for a range of quantum well thickness and the concentration of the Mn atoms. This effect enables dissipationless charge current in spintronics devices.

  12. Melting point measurements for quasicrystalline phases. [Al-Mn; icosahedral and decagonal phases

    SciTech Connect (OSTI)

    Knapp, J.A.; Follstaedt, D.M.

    1986-01-01T23:59:59.000Z

    Melting transitions of metastable quasicrystalline phases of Al-Mn have been observed using rapid electron-beam heating of fine-grained icosahedral surface layers. The congruent melting point for icosahedral Al/sub 80/Mn/sub 20/ was directly measured to be 910 +- 20/sup 0/C. Heating to higher temperatures shows another transition which is inferred to correspond to the liquidus of the decagonal phase at 965 +- 20/sup 0/C for 20 at. % Mn. The microstructure and formation kinetics of the decagonal phase are discussed, and its electron diffraction is described.

  13. Tailoring interlayer coupling and coercivity in Co/Mn/Co trilayers by controlling the interface roughness

    SciTech Connect (OSTI)

    Zhang, Bin; Wu, Chii-Bin; Kuch, Wolfgang, E-mail: kuch@physik.fu-berlin.de [Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, 14195 Berlin (Germany)

    2014-06-21T23:59:59.000Z

    Epitaxial Co/Mn/Co trilayers with a wedged Mn layer were grown on Cu(001) and studied by magneto-optical Kerr effect measurements. The bottom Co film as well as the Mn film exhibits a layer-by-layer growth mode, which allows to modify both interface roughnesses on the atomic scale by tuning the thicknesses of the films to achieve a certain filling of their topmost atomic layers. The onset of antiferromagnetic order in the Mn layer at room temperature was found at thicknesses of 4.1 (4.8) and 3.4 (4.0) atomic monolayers (ML) for a filled (half-filled) topmost atomic layer of the bottom Co film in Mn/Co bilayers and Co/Mn/Co trilayers, respectively. Magnetization loops with only one step were found for a trilayer with half-filled topmost atomic layer of the bottom Co film, while loops with two separate steps have been observed in trilayers with an integer number of atomic layers in the bottom Co film. The coercivity of the top Co film shows an oscillation with 1 ML period as a function of the Mn thickness above 10 ML, which is interpreted as the influence of the atomic-scale control of the interface roughness on the interface exchange coupling between the antiferromagnetic Mn and the top ferromagnetic (FM) Co layer. The strength of the magnetic interlayer coupling between the top and bottom Co layers through the Mn layer for an integer number of atomic layers in the bottom Co layer, deduced from minor-loop measurements, exhibits an oscillation with a period of 2 ML Mn thickness, indicative of direct exchange coupling through the antiferromagnetic Mn layer. In addition, a long-period interlayer coupling of the two FM layers with antiparallel coupling maxima at Mn thicknesses of 2.5, 8.2, and 13.7 ML is observed and attributed to indirect exchange coupling of the Rudermann-Kittel-Kasuya-Yosida type.

  14. First-principles study of spin-transfer torque in Co{sub 2}MnSi/Al/Co{sub 2}MnSi spin-valve

    SciTech Connect (OSTI)

    Tang, Ling, E-mail: lingtang@zjut.edu.cn; Yang, Zejin, E-mail: zejinyang@zjut.edu.cn [Department of Applied Physics, Zhejiang University of Technology, Hangzhou 310023 (China)

    2013-11-21T23:59:59.000Z

    The spin-transfer torque (STT) in Co{sub 2}MnSi(CMS)/Al/Co{sub 2}MnSi spin-valve system with and without interfacial disorder is studied by a first-principles noncollinear wave-function-matching method. It is shown that in the case of clean interface the angular dependence of STT for CoCo/Al (the asymmetry parameter ??4.5) is more skewed than that for MnSi/Al (??2.9), which suggests the clean CoCo/Al architecture is much more efficient for the application on radio frequency oscillation. We also find that even with interfacial disorder the spin-valve of half-metallic CMS still has a relatively large parameter ? compared to that of conventional ferromagnet. In addition, for clean interface the in-plane torkance of MnSi/Al is about twice as large as that of CoCo/Al. However, as long as the degree of interfacial disorder is sufficiently large, the CoCo/Al and MnSi/Al will show approximately the same magnitude of in-plane torkance. Furthermore, our results demonstrate that CMS/Al/CMS system has very high efficiency of STT to switch the magnetic layer of spin-valve.

  15. Public Housing The following public housings are also available; however,

    E-Print Network [OSTI]

    Banbara, Mutsunori

    121 Public Housing The following public housings are also available; however, these are not limited Hyogo Prefecture Housing Only for Family Hyogo Prefecture Public Corp. Rental Accommodation Single or Family Kobe City Housing Only for Family URL Housing Informaition http://www.kobe-u.ac.jp/international/student/guidebook/housing

  16. Robust ferroelectric state in multiferroic Mn 1 ? x Zn x WO 4

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Chaudhury, R. P.; Ye, F.; Fernandez-Baca, J. A.; Lorenz, B.; Wang, Y. Q.; Sun, Y. Y.; Mook, H. A.; Chu, C. W.

    2011-01-01T23:59:59.000Z

    We report on the remarkably robust ferroelectric state in the multiferroic compound Mn1-xZnxWO?. Substitution of the magnetic Mn²? with nonmagnetic Zn²? reduces the magnetic exchange and provides control of the various magnetic and multiferroic states of MnWO?. Only 5% of Zn substitution results in complete suppression of the frustrated collinear (paraelectric) low-temperature phase. The helical magnetic and ferroelectric phase develops as the ground state. The multiferroic state is stable up to a high level of substitution of more than 50%. The magnetic, thermodynamic, and dielectric properties, as well as the ferroelectric polarization of single crystals of Mn1-xZnxWO?, are studied for different substitutions up to x=0.5. The magnetic phases have been identified in single-crystal neutron-scattering experiments. The ferroelectric polarization scales with the neutron intensity of the incommensurate peak of the helical phase.

  17. Formation of nano-crystalline todorokite from biogenic Mn Xiong Han Feng a,1

    E-Print Network [OSTI]

    Sparks, Donald L.

    Formation of nano-crystalline todorokite from biogenic Mn oxides Xiong Han Feng a,1 , Mengqiang Zhu oxides in the environment. Additionally this method may be a viable biosynthesis route for porous, nano

  18. Mn solid solutions in self-assembled Ge/Si (001) quantum dot heterostructures

    SciTech Connect (OSTI)

    Kassim, J.; Nolph, C.; Reinke, P.; Floro, J. [Department of Materials Science and Engineering, University of Virginia, Charlottesville, Virginia 22904 (United States); Jamet, M. [Institut Nanosciences et Cryogenie/SP2M, CEA-UJF, F-38054 Grenoble (France)

    2012-12-10T23:59:59.000Z

    Heteroepitaxial Ge{sub 0.98}Mn{sub 0.02} quantum dots (QDs) on Si (001) were grown by molecular beam epitaxy. The standard Ge wetting layer-hut-dome-superdome sequence was observed, with no indicators of second phase formation in the surface morphology. We show that Mn forms a dilute solid solution in the Ge quantum dot layer, and a significant fraction of the Mn partitions into a sparse array of buried, Mn-enriched silicide precipitates directly underneath a fraction of the Ge superdomes. The magnetic response from the ultra-thin film indicates the absence of robust room temperature ferromagnetism, perhaps due to anomalous intermixing of Si into the Ge quantum dots.

  19. Growth of GaMnAs under near-stoichiometric conditions

    SciTech Connect (OSTI)

    Avrutin, V.; Humienik, D.; Frank, S.; Koeder, A.; Schoch, W.; Limmer, W.; Sauer, R.; Waag, A. [Abteilung Halbleiterphysik, Universitaet Ulm, D-89069 Ulm (Germany); Institut fuer Halbleitertechnik, Technische Universitaet (TU) Braunschweig, Hans-Sommer-Strasse 66, D38103 Braunschweig (Germany)

    2005-07-15T23:59:59.000Z

    We studied the effect of the V/III flux ratio and substrate temperature on magnetotransport properties and lattice parameters of Ga{sub 0.96}Mn{sub 0.04}As grown by molecular-beam epitaxy. For all the substrate temperatures, the conductivities and Curie temperatures of the layers were found to increase as the V/III flux ratio approaches 1. A Curie temperature as high as 95 K was achieved for the Ga{sub 0.96}Mn{sub 0.04}As samples grown at 240 deg. C and a V/III ratio of about 1.5. The lattice parameter of Ga{sub 0.96}Mn{sub 0.04}As increased with decreasing V/III ratio and/or increasing growth temperature. Possible reasons for the effect of the V/III ratio on the magnetotransport properties and lattice parameter of GaMnAs are discussed.

  20. Fabrication and Luminescence of ZnS:Mn2+ Nanoflowers. | EMSL

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    of ZnS:Mn2+ nanoparticles are prepared and characterized. The configurations of these fractal structures are very sensitive to both the pH values of the particle solutions from...

  1. Synthesis and Luminescence of ZnMgS:Mn2+ Nanoparticles. | EMSL

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    followed by a post-annealing process, thus showing the features of less complexity, low cost, and easy incorporation of dopants. In comparison with the emission of ZnS:Mn2+...

  2. Understanding and development of combined acoustic and magnetic actuation of Ni?MnGa single crystals

    E-Print Network [OSTI]

    Techapiesancharoenkij, Ratchatee, 1979-

    2007-01-01T23:59:59.000Z

    Ni-Mn-Ga based ferromagnetic shape memory alloys (FSMAs) have emerged as a promising new class of active materials capable of producing a large (several %) magnetic-field-induced strain (MFIS). FSMAs still have several ...

  3. Characterization of LiNi?.?Mn?.?O? Thin Film Cathode Prepared by Pulsed Laser Deposition

    E-Print Network [OSTI]

    Xia, Hui

    LiNi?.?Mn?.?O? thin films have been grown by pulsed laser deposition (PLD) on stainless steel (SS) substrates. The crystallinity and structure of thin films were investigated by X-ray diffraction (XRD). Microstructure and ...

  4. Response of Citrus volkameriana (L.) plants to different Mn concentrations under hydroponic conditions.

    E-Print Network [OSTI]

    Papadakis, Ioannis; Sotiropoulos, Thomas; Giannakoula, Anastasia; Antonopoulou, Chrysovalantou; Therios, Ioannis

    2009-01-01T23:59:59.000Z

    and Mn +2 stress conditions. Plant Sci. 165, 769-776. Heuer,and glycinebetaine on growth of salt-stressed tomato plants.Plant Sci. 165, 693-699. Hoagland, D. R. , Arnon, D. I. (

  5. Frequency Response of Acoustic-Assisted Ni–Mn–Ga Ferromagnetic- Shape-Memory-Alloy Actuator

    E-Print Network [OSTI]

    Techapiesancharoenkij, Ratchatee

    A prototype of Ni–Mn–Ga based ferromagnetic-shape-memory-alloy (FSMA) actuator was designed and built; an acoustic-assist technique was applied to the actuator to enhance its performance. A piezoelectric stack actuator was ...

  6. Synthesis and characterization of MnPS{sub 3} for hydrogen sorption

    SciTech Connect (OSTI)

    Ismail, N., E-mail: nahlaismail24@yahoo.co [Physical Chemistry Department, National Research Center, Center of Excellence for Advanced Science, Renewable Energy Group, Cairo (Egypt); Temerk, Y.M. [Assiut University, Faculty of Science, Chemistry Department, Assuit (Egypt); El-Meligi, A.A. [Physical Chemistry Department, National Research Center, Center of Excellence for Advanced Science, Renewable Energy Group, Cairo (Egypt); Badr, M.A. [Mechanical Engineering Department, Cairo (Egypt); Madian, M. [Physical Chemistry Department, National Research Center, Center of Excellence for Advanced Science, Renewable Energy Group, Cairo (Egypt)

    2010-05-15T23:59:59.000Z

    Single phase MnPS{sub 3} powder was prepared by solid state reaction between Mn, S and P carried out at 650 deg. C in evacuated silica tube. The structure, morphology and sorption characteristics of the prepared solid were investigated. The results revealed that the obtained MnPS{sub 3} compound was capable of adsorbing 3.5 wt% hydrogen at -193 deg. C and a pressure of 30 bar. Little amount of hydrogen (0.07 wt%) was adsorbed at room temperature. The hydrogen adsorption/desorption cycles at various temperatures did not result in irreversible chemical structural changes of the MnPS{sub 3} compound, but the microstructure after hydrogen cycling diminished and became finer. - Graphical abstract: Atomic building of MPS{sub 3}

  7. Mn Monolayer Modified Rh for Syngas-to-Ethanol Conversion: A First-Principles Study

    SciTech Connect (OSTI)

    Li, Fengyu [University of Puerto Rico; Jiang, Deen [ORNL; Zeng, X.C. [University of Nebraska, Lincoln; Chen, Zhongfang [University of Puerto Rico

    2012-01-01T23:59:59.000Z

    Rh is unique in its ability to convert syngas to ethanol with the help of promoters. We performed systematic first-principles computations to examine the catalytic performance of pure and Mn modified Rh(100) surfaces for ethanol formation from syngas. CO dissociation on the surface as well as CO insertion between the chemisorbed CH{sub 3} and the surface are the two key steps. The CO dissociation barrier on the Mn monolayer modified Rh(100) surface is remarkably lowered by {approx}1.5 eV compared to that on Rh(100). Moreover, the reaction barrier of CO insertion into the chemisorbed CH{sub 3} group on the Mn monolayer modified Rh(100) surface is 0.34 eV lower than that of methane formation. Thus the present work provides new mechanistic insight into the role of Mn promoters in improving Rh's selectivity to convert syngas to ethanol.

  8. Magnetism of NiMn2O4-Fe3O4 spinel interfaces

    E-Print Network [OSTI]

    Nelson-Cheeseman, B. B.

    2007-01-01T23:59:59.000Z

    Magnetism of NiMn 2 O 4 –Fe 3 O 4 spinel interfaces B. B.2. Element-specific magnetism of Fe 3 O 4 /NMO interface inin these structures, 6 the magnetism near the isostructural

  9. Modeling and Characterization of the Magnetocaloric Effect in Ni2MnGa Materials

    SciTech Connect (OSTI)

    Nicholson, Don M [ORNL; Odbadrakh, Khorgolkhuu [ORNL; Rios, Orlando [ORNL; Hodges, Jason P [ORNL; Ludtka, Gerard Michael [ORNL; Porter, Wallace D [ORNL; Sefat, A. S. [Oak Ridge National Laboratory (ORNL); Rusanu, Aurelian [ORNL; Evans III, Boyd Mccutchen [ORNL

    2012-01-01T23:59:59.000Z

    Magnetic shape memory alloys have great promise as magneto-caloric effect refrigerant materials due to their combined magnetic and structural transitions. Computational and experimental research is reported on the Ni2MnGa material system. The magnetic states of this system have been explored using the Wang-Landau statistical approach in conjunction with the Locally Self-consistent Multiple-Scattering (LSMS) method to explore the magnetic states responsible for the magnet-caloric effect in this material. The effects of alloying agents on the transition temperatures of the Ni2MnGa alloy were investigated using differential scanning calorimetry (DSC) and superconducting quantum interference device (SQUID). Neutron scattering experiments were performed to observe the structural and magnetic phase transformations at the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory (ORNL) on alloys of Ni-Mn-Ga and Ni-Mn-Ga-Cu-Fe. Data from the observations are discussed in comparison with the computational studies.

  10. DOI: 10.1002/ejic.200700164 Chlorido-Bridged MnII

    E-Print Network [OSTI]

    Gao, Song

    geometry sharing an equatorial-to-axial edge with parallel equatorial planes. The hydrogen bonds be,[3] dicyanamide,[4] and car- boxylate.[5] Ferromagnetic exchange coupling among these MnII compounds

  11. Above room-temperature ferromagnetism of Mn delta-doped GaN nanorods

    SciTech Connect (OSTI)

    Lin, Y. T.; Wadekar, P. V.; Kao, H. S.; Chen, T. H.; Chen, Q. Y.; Tu, L. W., E-mail: lwtu@faculty.nsysu.edu.tw [Department of Physics and Center for Nanoscience and Nanotechnology, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan (China); Huang, H. C.; Ho, N. J. [Department of Materials and Optoelectronic Science and Center for Nanoscience and Nanotechnology, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan (China)

    2014-02-10T23:59:59.000Z

    One-dimensional nitride based diluted magnetic semiconductors were grown by plasma-assisted molecular beam epitaxy. Delta-doping technique was adopted to dope GaN nanorods with Mn. The structural and magnetic properties were investigated. The GaMnN nanorods with a single crystalline structure and with Ga sites substituted by Mn atoms were verified by high-resolution x-ray diffraction and Raman scattering, respectively. Secondary phases were not observed by high-resolution x-ray diffraction and high-resolution transmission electron microscopy. In addition, the magnetic hysteresis curves show that the Mn delta-doped GaN nanorods are ferromagnetic above room temperature. The magnetization with magnetic field perpendicular to GaN c-axis saturates easier than the one with field parallel to GaN c-axis.

  12. Perpendicular exchange bias effect in sputter-deposited CoFe/IrMn bilayers

    SciTech Connect (OSTI)

    Chen, J. Y., E-mail: chenjy02@gmail.com; Thiyagarajah, Naganivetha; Xu, H. J.; Coey, J. M. D. [School of Physics and CRANN, Trinity College, Dublin 2 (Ireland)

    2014-04-14T23:59:59.000Z

    CoFe/IrMn bilayers with perpendicular magnetization for various IrMn layer thicknesses exhibit unusual two-step hysteresis loops with both positive and negative loop shifts. Observed at room temperature in the as-grown state, they provide direct evidence of large antiferromagnetic domain formation at the IrMn interface. The exchange bias field reaches 100?mT with an IrMn layer thickness of 4?nm after field annealing at 200?°C–300?°C in 800?mT, which is at least three times as large as the coercivity, and may be useful for reference layers of spin-valves or magnetic tunnel junctions with perpendicular magnetic anisotropy.

  13. Combining sedimentological, trace metal (Mn, Mo) and molecular evidence for reconstructing past water-column

    E-Print Network [OSTI]

    Wehrli, Bernhard

    Combining sedimentological, trace metal (Mn, Mo) and molecular evidence for reconstructing past online 22 June 2013 Abstract Here, we present sedimentological, trace metal, and molecular evidence underscores the value of combining sedimentological, geochemical, and microbiological approaches

  14. Downtown Boston : a public place

    E-Print Network [OSTI]

    Meiklejohn, Robert

    1984-01-01T23:59:59.000Z

    This thesis explores the physical and experiential qualities of public space in downtown Boston. Streets are the dominant element of urban public space; other elements include plazas , squares, promenades, alleys and parks. ...

  15. Environmental Public Health Performance Standards

    E-Print Network [OSTI]

    Environmental Public Health Performance Standards Environmental Health Program Self Agency: Total Environmental Health Program Budget: #12;Environmental Public Health Performance Standards (v. 2.0); Environmental Health Program Assessment Instrument, 1/7/2010 Page 2 Proportion

  16. as Catalyst in Public Health

    E-Print Network [OSTI]

    Bushman, Frederic

    Crisis as Catalyst in Public Health Immigration Reform and the Threat of Rhetorical Violence look at immigration reform and the impact of public discourse focused on this topic. The panel

  17. Reactivity of Pb(II) at the Mn(III,IV) (Oxyhydr)Oxide-Water Interface

    E-Print Network [OSTI]

    Sparks, Donald L.

    , the reactivity of lead (Pb(II)) on naturally occurring Mn(III,IV) (oxyhydr)oxide minerals was evaluated using to suggest oxidation as an operative sorption mechanism. Lead appeared to coordinate to vacancy sitesReactivity of Pb(II) at the Mn(III,IV) (Oxyhydr)Oxide-Water Interface C H R I S T O P H E R J . M

  18. Effect of MnAs/GaAs(001) film accommodations on the phase-transition temperature

    SciTech Connect (OSTI)

    Iikawa, F.; Brasil, M.J.S.P.; Couto, O.D.D.; Adriano, C.; Giles, C.; Daeweritz, L. [Instituto de Fisica 'Gleb Wataghin', UNICAMP, Campinas-SP, C.P. 6165, 13083-970 (Brazil); Instituto de Fisica 'Gleb Wataghin', UNICAMP, Campinas-SP, C.P. 6165, 13083-970, Brazil and Laboratorio Nacional de Luz Sincrotron, CP-6192, 13084-971 Campinas-SP (Brazil); Paul-Drude-Institut fuer Festkoerperelektronik, Hausvogteiplatz 5-7, 10117 Berlin (Germany)

    2004-09-20T23:59:59.000Z

    The phase-transition temperature of MnAs epitaxial films grown by molecular-beam epitaxy on GaAs(001) with different crystalline accommodations was studied by specular and grazing incidence x-ray diffraction. The transition temperature of MnAs films with tilted hexagonal c-axis orientations with respect to the GaAs substrate is higher than the most investigated nontilted films and reaches a value above room temperature, which is more suitable for device applications.

  19. (In,Mn)As quantum dots: Molecular-beam epitaxy and optical properties

    SciTech Connect (OSTI)

    Bouravleuv, A. D., E-mail: bour@mail.ioffe.ru; Nevedomskii, V. N. [Russian Academy of Sciences, Ioffe Physical-Technical Institute (Russian Federation)] [Russian Academy of Sciences, Ioffe Physical-Technical Institute (Russian Federation); Ubyivovk, E. V. [St. Petersburg State University (Russian Federation)] [St. Petersburg State University (Russian Federation); Sapega, V. F. [Russian Academy of Sciences, Ioffe Physical-Technical Institute (Russian Federation)] [Russian Academy of Sciences, Ioffe Physical-Technical Institute (Russian Federation); Khrebtov, A. I. [St. Petersburg Academic University, Nanotechnology Research and Education Centre (Russian Federation)] [St. Petersburg Academic University, Nanotechnology Research and Education Centre (Russian Federation); Samsonenko, Yu. B.; Cirlin, G. E.; Ustinov, V. M. [Russian Academy of Sciences, Ioffe Physical-Technical Institute (Russian Federation)] [Russian Academy of Sciences, Ioffe Physical-Technical Institute (Russian Federation)

    2013-08-15T23:59:59.000Z

    Self-assembled (In,Mn)As quantum dots are synthesized by molecular-beam epitaxy on GaAs (001) substrates. The experimental results obtained by transmission electron microscopy show that doping of the central part of the quantum dots with Mn does not bring about the formation of structural defects. The optical properties of the samples, including those in external magnetic fields, are studied.

  20. Public information plan. Version 2

    SciTech Connect (OSTI)

    NONE

    1993-09-22T23:59:59.000Z

    The Public Information Plan is intended to be used in conjunction with the U.S. Department of Energy (DOE) Uranium Mill Tailings Remedial Action (UMTRA) Project Public Participation Plan. The Public Participation Pion describes the DOE procedure for involving the public in the decision-making process related to the UMTRA Project during the stages at which public participation is required and solicited. This Public Information Plan describes the department`s procedure for communicating with the public about project policies, plans, and activities. Together, these complementary plans describe the DOE public affairs program for the UMTRA Project. This project was authorized by Congress in the Uranium Mill Tailings Radiation Control Act (UMTRCA) of 1978, (Public Law (PL) 95-6041), as amended. The Act provides for a cooperative effort with affected states and Indian tribes for the cleanup of designated abandoned or inactive uranium mill tailings sites, which are located in 10 states, 9 of them west of the Mississippi River. The public has a right to know about proposed government actions and to be heard in the planning of activities that influence their lives. The UMTRA Project is unclassified and the DOE provides accurate information about policy and project activities to interested stakeholders, including the news media, in a timely way. The DOE encourages states and local governments, as well as individuals, to join actively in the decision-making process. This is intended to ensure that the resulting decisions are made with full knowledge of the public`s views and that these decisions address the public`s concerns to the extent possible within the law. The DOE, through the implementation of the Public Information Plan, keeps the public informed on matters such as health concerns, environmental issues, remedial action construction plans, project costs, and specific site activities.

  1. Hydrothermal synthesis of Mn vanadate nanosheets and visible-light photocatalytic performance for the degradation of methyl blue

    SciTech Connect (OSTI)

    Pei, L.Z., E-mail: lzpei@ahut.edu.cn; Xie, Y.K.; Pei, Y.Q.; Jiang, Y.X.; Yu, H.Y.; Cai, Z.Y.

    2013-07-15T23:59:59.000Z

    Graphical abstract: - Highlights: • Mn vanadate nanosheets have been synthesized by simple hydrothermal process. • The formation of Mn vanadate nanosheets can be controlled by growth conditions. • Mn vanadate nanosheets exhibit good photocatalytic activities for methyl blue. - Abstract: Mn vanadate nanosheets have been synthesized via a facile hydrothermal route using ammonium metavanadate and Mn acetate as the raw materials, polyvinyl pyrrolidone (PVP) as the surfactant. X-ray diffraction (XRD) shows that the Mn vanadate nanosheets are composed of monoclinic MnV{sub 2}O{sub 6} phase. Scanning electron microscopy (SEM) observation indicates that the nanosheets have the average thickness of about 50 nm, length of 2–10 ?m and width of 800 nm to 2 ?m. The growth process of the Mn vanadate nanosheets has also been discussed based on the analysis of the roles of the growth conditions on the formation of the Mn vanadate nanosheets. The nanosheets show good photocatalytic activities for the degradation of methylene blue (MB) under visible light irradiation. About 72.96% MB can be degraded after visible light irradiation for 1 h over 10 mg Mn vanadate nanosheets in 10 mL MB solution with the concentration of 10 mg L{sup ?1}.

  2. Magneto acoustical emission in nanocrystalline Mn–Zn ferrites

    SciTech Connect (OSTI)

    Praveena, K., E-mail: praveenaou@gmail.com [Materials Research Centre, Indian Institute of Science, Bangalore 560012 (India); Department of Physics, Osmania University, Hyderabad 500007 (India); Murthty, S.R. [Department of Physics, Osmania University, Hyderabad 500007 (India)

    2013-11-15T23:59:59.000Z

    Graphical abstract: Mn{sub 0.4}Zn{sub 0.6}Fe{sub 2}O{sub 4} powders were prepared by microwave hydrothermal method. The powders were characterized by X-ray diffraction, transmission electron microscope. The powders were sintered at different temperatures 400, 500, 600, 700, 800 and 900 °C/30 min using microwave sintering method. The grain size was estimated by scanning electron microscope. The room temperature dielectric and magnetic properties were studied in the frequency range (100 kHz–1.8 GHz). The magnetization properties were measured upto 1.5 T. The acoustic emission has been measured along the hysteresis loops from 80 K to Curie temperature. It is found that the magneto-acoustic emission (MAE) activity along hysteresis loop is proportional to the hysteresis losses during the same loop. This law has been verified on series of polycrystalline ferrites and found that the law is valid whatever the composition, the grain size and temperature. It is also found that the domain wall creation/or annihilation processes are the origin of the MAE. - Highlights: • The AE been measured along the hysteresis loops from 80 K to Curie temperature. • The MAE activity along hysteresis loop is proportional to P{sub h} during the same loop. • It is found that the domain wall creation/or annihilation processes are the origin of the MAE. - Abstract: Mn{sub 0.4}Zn{sub 0.6}Fe{sub 2}O{sub 4} powders were prepared by microwave hydrothermal method. The powders were characterized by X-ray diffraction, transmission electron microscope. The powders were sintered at different temperatures 400, 500, 600, 700, 800 and 900 °C/30 min using microwave sintering method. The grain size was estimated by scanning electron microscope. The room temperature dielectric and magnetic properties were studied in the frequency range (100 kHz–1.8 GHz). The magnetization properties were measured upto 1.5 T. The acoustic emission has been measured along the hysteresis loops from 80 K to Curie temperature. It is found that the magneto-acoustic emission (MAE) activity along hysteresis loop is proportional to the hysteresis losses during the same loop. This law has been verified on series of polycrystalline ferrites and found that the law is valid whatever the composition, the grain size and temperature. It is also found that the domain wall creation/or annihilation processes are the origin of the MAE.

  3. Magnetic Order and Ferroelectricity in RMnO3 Multiferroic Manganites: Coupline Between R- and Mn-spins

    SciTech Connect (OSTI)

    Aliouane, N.; Prokhnenko, O; Feyerherm, R; Mostovoy, M; Strempfer, J; Habicht, K; Rule, K; Dudzik, E; Wolter, A; et. al.

    2008-01-01T23:59:59.000Z

    Combining polarized and unpolarized neutron scattering techniques with x-ray resonant magnetic scattering we have studied the coupling between the Mn- and R-spin-ordering in the multiferroic RMnO3, R = Tb and Dy. Polarized neutron diffraction reveals the moment orientation associated with the various modes describing the complex magnetic ordering observed in TbMnO3, while neutron diffraction in high magnetic fields allows the identification of the origin (Mn versus Tb) of the various modes. In this way we identify significant Cx and Fz contributions from Tb arising from the coupling of Tb moments to the Mn cycloidal ordering. The x-ray studies give further insight into this coupling. In the ferroelectric phase, both TbMnO3 and DyMnO3 show an induced ordering of the R-ion with a propagation vector clamped to the Mn ordering. While in TbMnO3 this clamping leads to a ground state in which the two propagation vectors tTb and tMn obey the relation 3tTb-tMn = 1, in DyMnO3 the ferroelectric polarization is effectively enhanced. The theoretical analysis of these effects not only explains the observed behavior for R = Tb and Dy but can also be applied to understand the Mn-R interaction in the related compounds with R = Gd and Ho. Finally we show both experimentally and theoretically how the Mn-R coupling can enhance the ferroelectric polarization in this manganite's multiferroics.

  4. Magnetic properties and loss separation in iron-silicone-MnZn ferrite soft magnetic composites

    SciTech Connect (OSTI)

    Wu, Shen; Sun, Aizhi; Xu, Wenhuan; Zou, Chao; Yang, Jun; Dong, Juan [School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing (China)

    2013-12-16T23:59:59.000Z

    This paper investigates the magnetic and structural properties of iron-based soft magnetic composites coated with silicone-MnZn ferrite hybrid. The organic silicone resin was added to improve the flexibility of the insulated iron powder and causes better adhesion between particles to increase the mechanical properties. Scanning electron microscopy and distribution maps show that the iron particle surface is covered with a thin layer of silicone-MnZn ferrite. Silicone-MnZn ferrite coated samples have higher permeability when compared with the non-magnetic silicone resin coated compacts. The real part of permeability increases by 34.18% when compared with the silicone resin coated samples at 20 kHz. In this work, a formula for calculating the total loss component by loss separation method is presented and finally the different parts of total losses are calculated. The results show that the eddy current loss coefficient is close to each other for the silicone-MnZn ferrite, silicone resin and MnZn ferrite coated samples (0.0078MnZn ferrite coated sample (k{sub 2} =1.4058) in comparison with other samples.

  5. Synthesis and characterization of nanoparticulate MnS within the pores of mesoporous silica

    SciTech Connect (OSTI)

    Barry, Louse; Copley, Mark [Department of Chemistry, University College Cork, Cork (Ireland); Holmes, Justin D. [Department of Chemistry, University College Cork, Cork (Ireland); Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), Trinity College Dublin, Dublin 2 (Ireland); Otway, David J. [Department of Chemistry, University College Cork, Cork (Ireland); Kazakova, Olga [National Physical Laboratory, Teddington (United Kingdom); Morris, Michael A. [Department of Chemistry, University College Cork, Cork (Ireland); Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), Trinity College Dublin, Dublin 2 (Ireland)], E-mail: m.morris@ucc.ie

    2007-12-15T23:59:59.000Z

    Mesoporous silica was loaded with nanoparticulate MnS via a simple post-synthesis treatment. The mesoporous material that still contained surfactant was passivated to prevent MnS formation at the surface. The surfactant was extracted and a novel manganese ethylxanthate was used to impregnate the pore network. This precursor thermally decomposes to yield MnS particles that are smaller or equal to the pore size. The particles exhibit all three common polymorphs. The passivation treatment is most effective at lower loadings because at the highest loadings (SiO{sub 2}:MnS molar ratio of 6:1) large particles (>50 nm) form at the exterior of the mesoporous particles. The integrity of the mesoporous network is maintained through the preparation and high order is maintained. The MnS particles exhibit unexpected ferromagnetism at low temperatures. Strong luminescence of these samples is observed and this suggests that they may have a range of important application areas. - Graphical abstract: A novel manganese ethylxanthate precursor was used to impregnate the pore network of mesoporous silica and was decomposed to yield MnS particles smaller or equal to the pore size. The particles exhibit all three common polymorphs, demonstrate unexpected ferromagnetism at low temperatures and display a strong luminescence.

  6. Environmental Public Health Performance Standards

    E-Print Network [OSTI]

    Environmental Public Health Performance Standards (Version 2.0) Updated May 2014 National Center for Environmental Health Division of Emergency and Environmental Health Services #12;#12;Environmental Public Health Performance Standards (Version 2.0) Updated May 2014 #12;Environmental Public Health Performance Standards

  7. MANAGEMENT CONTROL SYSTEM IN PUBLIC

    E-Print Network [OSTI]

    Paris-Sud XI, UniversitƩ de

    essential aspect of the public management device: compliance with legal rules. Gradually, a new objective of the budgetary system. Thus, public organizations need to create new tools to manage their activities or use, despite the number of reforms adopted in the name of New Public Management, numerous authors also noted

  8. open access journal Public Health

    E-Print Network [OSTI]

    Oakley, Jeremy

    open access journal Journal of Public Health in AfricaeISSN 2038-9930 i www the Journal of Public Health in Africa is a peer-reviewed, electronic quarterly, that focuses on health issues in the African continent. The journal editors seek high quality original articles on public health related issues

  9. Control Systems Security Publications Library | Department of...

    Energy Savers [EERE]

    Publications Library Control Systems Security Publications Library Publications Library Repository of documents, listed by topic. (Some of the documents in this section require...

  10. Essays on Municipal Public Finance in Brazil

    E-Print Network [OSTI]

    Gardner, Rachel Elizabeth

    2013-01-01T23:59:59.000Z

    on Municipal Public Finance in Brazil By Rachel Elizabethon Municipal Public Finance in Brazil by Rachel Elizabethlocal public finance in Brazil, with a focus on how federal

  11. Inverse magnetocaloric effect in Mn{sub 2}NiGa and Mn{sub 1.75}Ni{sub 1.25}Ga magnetic shape memory alloys

    SciTech Connect (OSTI)

    Singh, Sanjay, E-mail: sanju8419@gmail.com; Barman, S. R. [UGC-DAE Consortium for Scientific Research, Khandwa Road, Indore 452001 (India); Esakki Muthu, S.; Arumugam, S. [Centre for High Pressure Research, School of Physics, Bharathidasan University, Tiruchirappalli 620024 (India); Senyshyn, A. [Forschungsneutronenquelle Heinz Maier-Leibnitz FRM-II, Technische Universität München, Lichtenbergstrasse 1, 85747 Garching b. München (Germany); Rajput, P. [European Synchrotron Radiation Facility, 6 rue Jules Horowitz, F-38000 Grenoble (France); Suard, E. [Institut Laue-Langevin, BP 156, 38042 Grenoble Cedex 9 (France)

    2014-02-03T23:59:59.000Z

    Inverse magnetocaloric effect is demonstrated in Mn{sub 2}NiGa and Mn{sub 1.75}Ni{sub 1.25}Ga magnetic shape memory alloys. The entropy change at the martensite transition is larger in Mn{sub 1.75}Ni{sub 1.25}Ga, and it increases linearly with magnetic field in both the specimens. Existence of inverse magnetocaloric effect is consistent with the observation that magnetization in the martensite phase is smaller than the austenite phase. Although the Mn content is smaller in Mn{sub 1.75}Ni{sub 1.25}Ga, from neutron diffraction, we show that the origin of inverse magnetocaloric effect is the antiferromagnetic interaction between the Mn atoms occupying inequivalent sites.

  12. Beta-decay of Mn-65 to Fe-65

    E-Print Network [OSTI]

    Olaizola, B; Mach, H; Aprahamian, A; Briz, J A; Cal-Gonzalez, J; Ghita, D; Koster, U; Kurcewicz, W; Lesher, S R; Pauwels, D; Picado, E; Poves, A; Radulov, D; Simpson, G S; Udias, J M

    2013-01-01T23:59:59.000Z

    The low energy structure of Fe-65 has been studied by means of gamma- and fast-timing spectroscopy. A level scheme of Fe-65 populated following the beta-decay of Mn-65 was established for the first time. It includes 41 levels and 85 transitions. The excitation energy of the beta-decaying isomer in Fe-65 has been precisely determined at 393.7(2) keV. The beta delayed neutron emission branch was measured as Pn = 7.9(12)%, which cannot be reconciled with the previously reported value of 21.0(5)%. Four gamma-rays and four excited states in Fe-64 were identified as being populated following the beta-n decay. Four lifetimes and five lifetime limits in the subnanosecond range have been measured using the Advanced Time-Delayed Method. The level scheme is compared with shell-model calculations. Tentative spin and parity assignments are proposed based on the observed transition rates, the calculations and the systematics of the region.

  13. The living publication

    SciTech Connect (OSTI)

    Terwilliger, Thomas C. [Los Alamos National Laboratory

    2012-06-04T23:59:59.000Z

    Within the ICSTI Insights Series we offer three articles on the 'living publication' that is already available to practitioners in the important field of crystal structure determination and analysis. While the specific examples are drawn from this particular field, we invite readers to draw parallels in their own fields of interest. The first article describes the present state of the crystallographic living publication, already recognized by an ALPSP (Association of Learned and Professional Society Publishers) Award for Publishing Innovation in 2006. The second article describes the potential impact on the record of science as greater post-publication analysis becomes more common within currently accepted data deposition practices, using processed diffraction data as the starting point. The third article outlines a vision for the further improvement of crystallographic structure reports within potentially achievable enhanced data deposition practices, based upon raw (unprocessed) diffraction data. The IUCr in its Commissions and Journals has for many years emphasized the importance of publications being accompanied by data and the interpretation of the data in terms of atomic models. This has been followed as policy by numerous other journals in the field and its cognate disciplines. This practice has been well served by databases and archiving institutions such as the Protein Data Bank (PDB), the Cambridge Crystallographic Data Centre (CCDC), and the Inorganic Crystal Structure Database (ICSD). Normally the models that are archived are interpretations of the data, consisting of atomic coordinates with their displacement parameters, along with processed diffraction data from X-ray, neutron or electron diffraction studies. In our current online age, a reader can not only consult the printed word, but can display and explore the results with molecular graphics software of exceptional quality. Furthermore, the routine availability of processed diffraction data allows readers to perform direct calculations of the electron density (using X-rays and electrons as probes) or the nuclear density (using neutrons as probe) on which the molecular models are directly based. This current community practice is described in our first article. There are various ways that these data and tools can be used to further analyze the molecules that have been crystallized. Notably, once a set of results is announced via the publication, the research community can start to interact directly with the data and models. This gives the community the opportunity not only to read about the structure, but to examine it in detail, and even generate subsequent improved models. These improved models could, in principle, be archived along with the original interpretation of the data and can represent a continuously improving set of interpretations of a set of diffraction data. The models could improve both by correction of errors in the original interpretation and by the use of new representations of molecules in crystal structures that more accurately represent the contents of a crystal. These possible developments are described in our second article. A current, significant, thrust for the IUCr is whether it would be advantageous for the crystallographic community to require, rather than only encourage, the archiving of the raw (unprocessed) diffraction data images measured from a crystal, a fibre or a solution. This issue is being evaluated in detail by an IUCr Working Group (see http://forums.iucr.org). Such archived raw data would be linked to and from any associated publications. The archiving of raw diffraction data could allow as yet undeveloped processing methods to have access to the originally measured data. The debate within the community about this much larger proposed archiving effort revolves around the issue of 'cost versus benefit'. Costs can be minimized by preserving the raw data in local repositories, either at centralized synchrotron and neutron research institutes, or at research universities. Archiving raw data is also perceived as bein

  14. Synthesis of Li{sub (x)}Na{sub (2-x)}Mn{sub 2}S{sub 3} and LiNaMnS{sub 2} through redox-induced ion exchange reactions

    SciTech Connect (OSTI)

    Luthy, Joshua A.; Goodman, Phillip L. [Department of Chemistry and Biochemistry, Texas State University-San Marcos, 601 University Drive, San Marcos, TX 78666 (United States); Martin, Benjamin R. [Department of Chemistry and Biochemistry, Texas State University-San Marcos, 601 University Drive, San Marcos, TX 78666 (United States)], E-mail: bmartin@txstate.edu

    2009-03-15T23:59:59.000Z

    Na{sub 2}Mn{sub 2}S{sub 3} was oxidatively deintercalated using iodine in acetonitrile to yield Na{sub 1.3}Mn{sub 2}S{sub 3}, with lattice constants nearly identical to that of the reactant. Lithium was then reductively intercalated into the oxidized product to yield Li{sub 0.7}Na{sub 1.3}Mn{sub 2}S{sub 3}. When heated, this metastable compound decomposed to form a new crystalline compound, LiNaMnS{sub 2}, along with MnS and residual Na{sub 2}Mn{sub 2}S{sub 3}. Single crystal X-ray diffraction structural analysis of LiNaMnS{sub 2} revealed that this compound crystallizes in P-3m1 with cell parameters a=4.0479(6) A, c=6.7759(14) A, V=96.15(3) A{sup 3} (Z=1, wR2=0.0367) in the NaLiCdS{sub 2} structure-type. - Graphical abstract: Structure of LiNaMnS{sub 2}. Li and Mn are statistically distributed in edge-shared tetrahedral environments linked into infinite planes. Sodium ions occupy interlayer sites.

  15. NREL: Wind Research - Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)Integrated CodesTransparency VisitSilver Toyota Prius being driven inThePublications

  16. CBECS - public use data

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40CoalLease(Billion2,128 2,469 2,321 2,590 1,550 1,460 1977-2013164 167 20057Public

  17. Responses for Public Release

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

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  18. Sandia Energy - Offshore Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of ScienceandMesa del Sol Home Distribution Grid Integration PermalinkClimateNumericalPublications Home

  19. WIPP - Public Reading Facilities

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

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  20. Publications | The Ames Laboratory

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible forPortsmouth/Paducah47,193.70COMMUNITY AEROSOL INLET8,SynchrotronPublications

  1. Magnetic properties of a metal-organic antiferromagnet Mn,,hfipbb...py,,H2O...0.5

    E-Print Network [OSTI]

    Li, Jing

    Magnetic properties of a metal-organic antiferromagnet Mn,,hfipbb...py,,H2O...0.5 Tan Yuena and C Jersey 08854 Presented on 2 November 2005; published online 18 April 2006 Mn hfipbb py H2O 0.5 H2hfipbb=4 as on powder samples of Mn hfipbb py H2O 0.5. Antiferromagnetic ordering was observed below a transition

  2. Number of Graduates Hired by Employer Employer: City: State: Number of Graduates

    E-Print Network [OSTI]

    Bates, Rebecca A.

    INSURANCE OWATONNA MN 5 TARGET MANKATO MN 5 TAYLOR CORPORATION MANKATO MN 5 WELLS FARGO BLOOMINGTON MN 5 CB PUBLIC SCHOOLS OWATONNA MN 4 RASMUSSEN COLLEGE MANKATO MN 4 ROSEMOUNT APPLE VALLEY EAGAN PUBLIC SCHO

  3. Hypatia of Alexandria Historical References Regarding the Life of Hypatia

    E-Print Network [OSTI]

    Tevelev, Jenia

    , represented Upper Libya in Council of Ephesus Taurus Seleucus Cyrus - Perfect of Constantinople Athanasius

  4. alexandria city egypt: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    project are described. Linda L. Hill; Larry Carver; Mary Larsgaard; Ron Dolin; Terence R. Smith; James Frew; Mary-anna Rae 2000-01-01 18 MPCT Media Propelled Computational Thinking...

  5. alexandria virginia usa: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Now at University of Wisconsin, USA. Permanent address: Northeastern University, Department of Physics, Boston, 02115 MA, USA. Now at NIKHEF P.O.B. 41882 Dutz, Hartmut 8...

  6. Alexandria Light and Power - Residential Energy Efficiency Rebate...

    Broader source: Energy.gov (indexed) [DOE]

    -Dehumidifiers -Room Air Conditioners -ECM in New FurnaceAir HandlerFan Coil -Water Heaters -Central AC -Geothermal and Air-Source Heat Pumps ALP also offers a rebates...

  7. City of Alexandria, Virginia Comments Regarding Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the YouTube platformBuilding RemovalCSSDepartmentDepartment ofCity and County

  8. City of Alexandria, Louisiana (Utility Company) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand JumpConceptual Model, click here.TelluricPower InternationalChuichu,CimaCirisAlbion, Idaho

  9. City of Alexandria, Minnesota (Utility Company) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand JumpConceptual Model, click here.TelluricPower InternationalChuichu,CimaCirisAlbion, IdahoCity of

  10. City of Alexandria's Application for Rehearing | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't Your Destiny: Theof"Wave the White Flag" | Department ofAddressing Policy andCity of

  11. City of Alexandria, Virginia Comments Regarding Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't Your Destiny: Theof"Wave the White Flag" | Department ofAddressing Policy andCity

  12. Department of Energy Response to Correspondence from Alexandria Homeowners

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't Your Destiny:Revised Finding of No53197E T A * S H I E L D * A L A R A *WIPPand Citizens

  13. Mirant Potomac, Alexandria, Virginia: Maximum Impacts Predicted by

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742Energy China 2015of 2005 atthe DistrictIndependentDepartment4.docfrom June

  14. Mirant Potomac, Alexandria, Virginia: Maximum Impacts Predicted by

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742Energy China 2015of 2005 atthe DistrictIndependentDepartment4.docfrom JuneAERMOD-PRIME, Units 3,

  15. Mirant Potomac, Alexandria, Virginia: Maximum Impacts Predicted by

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742Energy China 2015of 2005 atthe DistrictIndependentDepartment4.docfrom JuneAERMOD-PRIME, Units

  16. Mirant Potomac, Alexandria, Virginia: Maximum Impacts Predicted by

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742Energy China 2015of 2005 atthe DistrictIndependentDepartment4.docfrom JuneAERMOD-PRIME,

  17. Supplemental Comments of the City of Alexandria, Virginia | Department of

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the.pdfBreakingMayDepartment of StaffingStorageEnergySuperiorCompliance

  18. Mirant Potomac, Alexandria, Virginia: Maximum Impacts Predicted by

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(FactDepartment3311,Official FileEnergy

  19. Mirant Potomac, Alexandria, Virginia: Maximum Impacts Predicted by

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(FactDepartment3311,Official FileEnergyAERMOD-PRIME, Units 3, 1, 2 SO2 Case |

  20. Mirant Potomac, Alexandria, Virginia: Maximum Impacts Predicted by

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(FactDepartment3311,Official FileEnergyAERMOD-PRIME, Units 3, 1, 2 SO2 Case

  1. Mirant Potomac, Alexandria, Virginia: Maximum Impacts Predicted by

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(FactDepartment3311,Official FileEnergyAERMOD-PRIME, Units 3, 1, 2 SO2

  2. Alexandria County, Virginia: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-fTriWildcat 1AMEEAisin SeikiandAlcopar JumpInformationCounty, Virginia:

  3. Alexandria, New Hampshire: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

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  4. Department of Energy Response to Correspondence from Alexandria Homeowners

    Broader source: Energy.gov (indexed) [DOE]

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  5. Supplemental Comments of the City of Alexandria, Virginia | Department of

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn'tOriginEducationVideoStrategic Safety GoalsEnergyCompliance with Order

  6. Alexandria Light and Power - Commercial Energy Efficiency Rebate Program |

    Broader source: Energy.gov (indexed) [DOE]

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  7. Synthesis of spherical LiMnPO{sub 4}/C composite microparticles

    SciTech Connect (OSTI)

    Bakenov, Zhumabay [Department of Chemical Engineering, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552 (Japan)] [Department of Chemical Engineering, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552 (Japan); Taniguchi, Izumi, E-mail: taniguchi.i.aa@m.titech.ac.jp [Department of Chemical Engineering, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552 (Japan)] [Department of Chemical Engineering, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552 (Japan)

    2011-08-15T23:59:59.000Z

    Highlights: {yields} We could prepare LiMnPO{sub 4}/C composites by a novel preparation method. {yields} The LiMnPO{sub 4}/C composites were spherical particles with a mean diameter of 3.65 {mu}m. {yields} The LiMnPO{sub 4}/C composite cathode exhibited 112 mAh g{sup -1} at 0.05 C. {yields} It also showed a good rate capability up to 5 C at room temperature and 55 {sup o}C. -- Abstract: Spherical LiMnPO{sub 4}/C composite microparticles were prepared by a combination of spray pyrolysis and spray drying followed by heat treatment and examined as a cathode material for lithium batteries. The structure, morphology and electrochemical performance of the resulting spherical LiMnPO{sub 4}/C microparticles were characterized by X-ray diffraction, field-emission scanning electron microscopy, transmission electronic microscopy and standard electrochemical techniques. The final sample was identified as a single phase orthorhombic structure of LiMnPO{sub 4} and spherical powders with a geometric mean diameter of 3.65 {mu}m and a geometric standard deviation of 1.34. The electrochemical cells contained the spherical LiMnPO{sub 4}/C microparticles exhibited first discharge capacities of 112 and 130 mAh g{sup -1} at 0.05 C at room temperature and 55 {sup o}C, respectively. These also showed a good rate capability up to 5 C at room temperature and 55 {sup o}C.

  8. Supercapacitor behavior of ?-MnMoO{sub 4} nanorods on different electrolytes

    SciTech Connect (OSTI)

    Purushothaman, K.K., E-mail: purushoth_gri@yahoo.co.in [Department of Physics, TRP Engineering College (SRM Group), Irungalur, Trichy, Tamilnadu (India); Cuba, M. [Department of Physics, Gandhigram Rural Institute – Deemed University, Gandhigram, Tamilnadu (India)] [Department of Physics, Gandhigram Rural Institute – Deemed University, Gandhigram, Tamilnadu (India); Muralidharan, G., E-mail: muralg@rediffmail.com [Department of Physics, Gandhigram Rural Institute – Deemed University, Gandhigram, Tamilnadu (India)

    2012-11-15T23:59:59.000Z

    Graphical abstract: SEM image of ?-MnMoO{sub 4} nanorods on FTO substrate. Highlights: ? Synthesis of ?-MnMoO{sub 4} nanorods by spin coating method. ? First study on the effect of electrolyte on the pseudocapacitance behavior. ? ?-MnMoO{sub 4} nanorods exhibit maximum specific capacitance of 998 F/g. ? At higher scan rates p-TSA electrolyte exhibits superior capacitive behavior. -- Abstract: ?-MnMoO{sub 4} nanorods were prepared on conducting glass substrate via sol–gel spin coating method at the optimum doping level. The effect of electrolyte on the pseudocapacitance behavior of the ?-MnMoO{sub 4} nanorods was studied using para toluene sulfonic acid (p-TSA), sulfuric acid (H{sub 2}SO{sub 4}) and hydrochloric acid (HCl) as electrolytes. X-ray diffraction analysis reveals the formation of ?-MnMoO{sub 4} in monoclinic phase. FTIR spectra contain vibrational bands associated with Mo=O, M–O and Mo–O–Mo bonds. SEM image reveals the formation of nanorods. Supercapacitor behavior has been studied using cyclic voltammetry (CV) analysis. ?-MnMoO{sub 4} nanorods exhibit maximum specific capacitance of 998 F/g at a scan rate of 5 mV/s in H{sub 2}SO{sub 4} electrolyte while a specific capacitance of 784 F/g and 530 F/g have been obtained using p-TSA and HCl electrolytes, respectively. At higher scan rates p-TSA electrolyte exhibits superior capacitive behavior than H{sub 2}SO{sub 4}.

  9. Publications, 1977-1979

    SciTech Connect (OSTI)

    Hilborn, H.S. (comp.)

    1980-03-01T23:59:59.000Z

    This is a compilation of documents that communicate the results of scientific and technical work done at Savannah River. The compilation includes those documents that have been published (research and development reports, journal articles, book chapters, etc.), and documents that have been announced in Energy Research Abstracts. Where applicable, the meeting at which the paper was presented is given. This report updates the information included in DP-929, Rev. 2, Publications, 1951 through 1971 and DP-929-1, Publications, 1972 through 1976, and replaces DP-929-1, Supplements 1 and 2. The bibliographic listing is arranged alphabetically by the first-mentioned author of each document. The listing includes an identifying code number. This identifying code is used to cross reference the author and subject listings with the bibliographic information. The subject listing is arranged alphabetically by key word out of context (KWOC) indexing of the titles. The listing includes the identifying code number and the complete title. The author listing includes in alphabetical order all authors, coauthors, editors, and compilers with identifying code numbers, and the titles of all documents on which their names appear. (RWR)

  10. Beamline 6-ID-B,C Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Koert N.J. Burger, Elizabeth K. Mann, David Vaknin, Wei Bu, Dena Mae Agra-Kooijman, Edgar E. Kooijman, BBA-Biomembranes 1838, 482 (2014). "Magnetic order in GdMnO3 in magnetic...

  11. Enhanced ferromagnetic order in Sr{sub 4}Mn{sub 3}O{sub 3}(GeO{sub 4}){sub 3} featuring canted [MnO{sub 4}]{sub ?} spin chains of mixed-valent Mn(III)/Mn(IV). Aliovalent substitution of the Sr{sub 4?x}Ln{sub x}Mn{sup III}{sub 2+x}Mn{sup IV}{sub 1?x}O{sub 3}(GeO{sub 4}){sub 3} solid-solution

    SciTech Connect (OSTI)

    West, J. Palmer; Sulejmanovic, Dino [Department of Chemistry, Clemson University, Clemson, SC 29634 (United States); Becht, Gregory [E. I. du Pont, Wilmington, DE 19880-0500 (United States); He, Jian; Hitchcock, Dale [Department of Physics and Astronomy, Clemson University, Clemson, SC 29634 (United States); Yan, Yonggao [Wuhan University of Technology, Wuhan 430070 (China); Hwu, Shiou-Jyh, E-mail: shwu@clemson.edu [Department of Chemistry, Clemson University, Clemson, SC 29634 (United States)

    2013-10-15T23:59:59.000Z

    Crystals of Sr{sub 4?x}Ln{sub x}Mn{sub 3}O{sub 3}(GeO{sub 4}){sub 3} (x=0; x?0.15 for Ln=La, Pr, Nd, Sm. Eu, Gd, Dy; x?0.3 for Ln=Gd) were isolated upon using high-temperature, solid-state methods in molten-salt media. These compounds are isostructural with the previously reported Na{sub 3}LnMn{sub 3}O{sub 3}(AsO{sub 4}){sub 3} (Ln=La, Sm, Gd) series that contains the same [MnO{sub 4}]{sub ?} spin chains. The synthesis of the Sr{sub 4}Mn{sub 3}O{sub 3}(GeO{sub 4}){sub 3} (x=0) phase was carried out by a double aliovalent substitution with respect to the Sr{sup 2+} and Ge{sup 4+} ions that replace Na{sup +}/Ln{sup 3+} and As{sup 5+} in Na{sub 3}LnMn{sub 3}O{sub 3}(AsO{sub 4}){sub 3}, respectively. The title series contains mixed-valent Mn(III)/Mn(IV) and shows a limited range of solid solution, both of which were not observed in the previously reported Na{sub 3}LnMn{sub 3}O{sub 3}(AsO{sub 4}){sub 3} series. To form the Sr{sub 4?x}Ln{sub x}Mn{sub 3}O{sub 3}(GeO{sub 4}){sub 3} solid solution, one of the Sr{sup 2+} sites, i.e., the original Ln-site in Na{sub 3}LnMn{sub 3}O{sub 3}(AsO{sub 4}){sub 3}, is partially substituted by Ln{sup 3+} in a statistical disorder of Sr{sub 1?x}/Ln{sub x}. Initial magnetic investigations of selected derivatives reveal higher ferromagnetic ordering temperatures than those reported for the Na{sub 3}LnMn{sub 3}O{sub 3}(AsO{sub 4}){sub 3} series, presumably attributed to a lesser degree of canting as a result of introducing non-Jahn–Teller Mn{sup 4+} ions. Also intriguing is the observation of multiple anomalies at low temperatures which appear to be of electronic origins. - Graphical abstract: Sr{sub 4?x}Ln{sub x}Mn(III){sub 2+x}Mn(IV){sub 1?x}O{sub 3}(GeO{sub 4}){sub 3}. Display Omitted - Highlights: • Double aliovalent substitution: Sr{sub 4}Mn{sub 3}O{sub 3}(GeO{sub 4}){sub 3} with respect to Na{sub 3}LnMn{sub 3}O{sub 3}(AsO{sub 4}){sub 3}. • Solid solution with respect to statistical disorder of Sr{sub 1?x}Ln{sub x} in one of the two Sr sites. • Mn{sup 3+}/Mn{sup 4+} magnetic ions are spatially arranged in a triangular kagomé fashion. • Enhanced ferromagnetic ordering attributed to doping non-Jahn–Teller Mn{sup 4+}.

  12. Novel Solar Energy Conversion Materials by Design of Mn(II) Oxides

    SciTech Connect (OSTI)

    Lany, S.; Peng, H.; Ndione, P.; Zakutayev, A.; Ginley, D. S.

    2013-01-01T23:59:59.000Z

    Solar energy conversion materials need to fulfill simultaneously a number of requirements in regard of their band-structure, optical properties, carrier transport, and doping. Despite their desirable chemical properties, e.g., for photo-electrocatalysis, transition-metal oxides usually do not have desirable semiconducting properties. Instead, oxides with open cation d-shells are typically Mott or charge-transfer insulators with notoriously poor transport properties, resulting from large effective electron/hole masses or from carrier self-trapping. Based on the notion that the electronic structure features (p-d interaction) supporting the p-type conductivity in d10 oxides like Cu2O and CuAlO2 occurs in a similar fashion also in the d5 (high-spin) oxides, we recently studied theoretically the band-structure and transport properties of the prototypical binary d5 oxides MnO and Fe2O3 [PRB 85, 201202(R)]. We found that MnO tends to self-trap holes by forming Mn+III, whereas Fe2O3 self-traps electrons by forming Fe+II. However, the self-trapping of holes is suppressed by when Mn is tetrahedrally coordinated, which suggests specific routes to design novel solar conversion materials by considering ternary Mn(II) oxides or oxide alloys. We are presenting theory, synthesis, and initial characterization for these novel energy materials.

  13. Carbon/lambda-MnO{sub 2} composites for supercapacitor electrodes

    SciTech Connect (OSTI)

    Malak-Polaczyk, A., E-mail: agnieszka-malak@wp.p [Institute of Chemistry and Technical Electrochemistry, Poznan University of Technology, Piotrowo 3, 60-695 Poznan (Poland); Institut de Sciences des Materiaux de Mulhouse, CNRS LRC 7228, 15 Rue Starcky, 68057 Mulhouse (France); Matei-Ghimbeu, C.; Vix-Guterl, C. [Institut de Sciences des Materiaux de Mulhouse, CNRS LRC 7228, 15 Rue Starcky, 68057 Mulhouse (France); Frackowiak, E. [Institute of Chemistry and Technical Electrochemistry, Poznan University of Technology, Piotrowo 3, 60-695 Poznan (Poland)

    2010-04-15T23:59:59.000Z

    In the present work a composite of carbon with lambda-MnO{sub 2} have been synthesized by a simple two-step route. In the first step, to obtain LiMn{sub 2}O{sub 4}/carbon material, mesoporous activated carbon was impregnated with the solution of precursor metal salts and heated subsequently. As-prepared materials were acid treated which resulted in the formation of lambda-MnO{sub 2}/carbon. Physical properties, structure and specific surface area of electrode materials were studied by TEM, X-ray diffraction and nitrogen sorption measurements. Voltammetry cycling, galvanostatic charge/discharge and impedance spectroscopy measurements performed in two- and three-electrode cells have been applied in order to measure electrochemical parameters. TEM images confirmed well dispersed lambda-MnO{sub 2} particles on the surface of carbon material. The carbon in the composite plays an important role as the surface area enhancing component and a support of pseudocapacitive material. Furthermore, the through-connected porosity serves as a continuous pathway for electrolyte transport. A synergetic effect of the porous carbon framework and of the redox properties of the lambda-MnO{sub 2} is at the origin of improvement of specific capacitance values which has been observed for composites after delithiation. - Comparison of capacitance characteristics for initial carbon and synthesised composites for CB in 1 mol L{sup -1} Na{sub 2}SO{sub 4} solution.

  14. Public Sector Electric Efficiency Programs

    Broader source: Energy.gov [DOE]

    The Illinois Department of Commerce and Economic Opportunity (DCEO) Bureau of Energy and Recycling administers the public sector energy efficiency programs required by the Illinois Energy...

  15. Work Affecting Public Waters (Minnesota)

    Broader source: Energy.gov [DOE]

    Earlier sections of chapter 103G describe the process of delineating public waters; this section describes the responsibility of contractors and property owners when construction or other activity...

  16. Alternative Fuels Data Center: Publications

    Alternative Fuels and Advanced Vehicles Data Center [Office of Energy Efficiency and Renewable Energy (EERE)]

    Results | 9 publications Title Author Date Category Sorting Through the Many Total-Energy-Cycle Pathways Possible with Early Plug-In Hybrids Gaines, L.; Burnham, A.; Rousseau,...

  17. GRADUATE PROGRAMS IN PUBLIC HEALTH Master of Public Health

    E-Print Network [OSTI]

    Cinabro, David

    of Family Medicine and Public Health Sciences Wayne State University School of Medicine in the Department of Family Medicine and Public Health Sciences (DFMPHS). The following manual is designed information, and required forms that will need to be filled out at different stages of your progress

  18. The resistance to cavitation erosion of CrMnN stainless steels

    SciTech Connect (OSTI)

    Fu, W.T. [Yanshan Univ., Qinhuangdao (China). Dept. of Materials Engineering] [Yanshan Univ., Qinhuangdao (China). Dept. of Materials Engineering; [Harbin Inst. of Tech. (China); Jing, T.F.; Zheng, Y.Z. [Yanshan Univ., Qinhuangdao (China). Dept. of Materials Engineering] [Yanshan Univ., Qinhuangdao (China). Dept. of Materials Engineering; Yang, Y.B. [Yanshan Univ., Qinhuangdao (China). Dept. of Materials Engineering] [Yanshan Univ., Qinhuangdao (China). Dept. of Materials Engineering; [Bohai Aluminum Industries Co., Ltd., Qinhuangdao (China); Yao, M. [Harbin Inst. of Tech. (China)] [Harbin Inst. of Tech. (China)

    1998-12-01T23:59:59.000Z

    The resistance to cavitation erosion (CE) was measured using a magnetostrictive device and a rotating disk device for some CrMnN stainless steels (Chinese patent ZL 90 1 02197.0). The microstructural changes in the surface layer before and after CE were analyzed by use of Mossbauer spectra. Results show that the resistance to CE of duplex austenitic-martensitic CrMnN stainless steels is much better than that of ZG0Cr13Ni4-6Mo and ZG0Cr16Ni5Mo steel, which are in common use for hydraulic turbine runners. The metastable austenite and its changes in the process of CE are the key factors why the CrMnN stainless steels have excellent resistance to cavitation erosion.

  19. Ferromagnetism and the electronic band structure in (Ga,Mn)(Bi,As) epitaxial layers

    SciTech Connect (OSTI)

    Yastrubchak, O., E-mail: yastrub@hektor.umcs.lublin.pl [Institute of Physics, Maria Curie-Sklodowska University in Lublin, Pl. M. Curie-Sk?odowskiej 1, 20-031 Lublin (Poland); Institute of Semiconductor Physics, National Academy of Sciences, 41 pr. Nauki, 03028 Kyiv (Ukraine); Sadowski, J. [MAX-IV Laboratory, Lund University, P.O. Box 118, SE-221 00 Lund (Sweden); Institute of Physics, Polish Academy of Sciences, Al. Lotnikow 32/46, 02-668 Warsaw (Poland); Gluba, L.; ?uk, J.; Kulik, M. [Institute of Physics, Maria Curie-Sklodowska University in Lublin, Pl. M. Curie-Sk?odowskiej 1, 20-031 Lublin (Poland); Domagala, J. Z.; Andrearczyk, T.; Wosinski, T. [Institute of Physics, Polish Academy of Sciences, Al. Lotnikow 32/46, 02-668 Warsaw (Poland); Rawski, M. [Analytical Laboratory, Maria Curie-Sklodowska University in Lublin, Pl. M. Curie-Sk?odowskiej 3, 20-031 Lublin (Poland)

    2014-08-18T23:59:59.000Z

    Impact of Bi incorporation into (Ga,Mn)As layers on their electronic- and band-structures as well as their magnetic and structural properties has been studied. Homogenous (Ga,Mn)(Bi,As) layers of high structural perfection have been grown by the low-temperature molecular-beam epitaxy technique. Post-growth annealing treatment of the layers results in an improvement of their structural and magnetic properties and an increase in the hole concentration in the layers. The modulation photoreflectance spectroscopy results are consistent with the valence-band model of hole-mediated ferromagnetism in the layers. This material combines the properties of (Ga,Mn)As and Ga(Bi,As) ternary compounds and offers the possibility of tuning its electrical and magnetic properties by controlling the alloy composition.

  20. Photoluminescence properties of Tb-Eu-Mn-codoped fluoroborate glasses under ?-irradiation

    SciTech Connect (OSTI)

    Hari Babu, B.; Ravi Kanth Kumar, V. V. [Department of Physics, Pondicherry University, R. V. Nagar, Kalapet, Puducherry 605014 (India)] [Department of Physics, Pondicherry University, R. V. Nagar, Kalapet, Puducherry 605014 (India)

    2013-09-28T23:59:59.000Z

    We report here an energy transfer from Tb{sup 3+} to Eu{sup 3+}, Mn{sup 2+} and Eu{sup 2+} to Tb{sup 3+} and Mn{sup 2+} for an un-irradiated and ?-irradiated B{sub 2}O{sub 3}-Al{sub 2}O{sub 3}-Na{sub 2}O-SrF{sub 2} glass samples, respectively. The blue emission from Eu{sup 2+} ions as well as green and red emission from Tb{sup 3+}, Eu{sup 3+}, and Mn{sup 2+} ions will contribute to the generation of white light while excited at 339 nm using a xenon lamp. Furthermore, the chromaticity color coordinates, correlated color temperature, and quantum efficiency parameters are calculated for all the glass samples, and their relative variations with respect to ?-irradiation dose are presented.

  1. Shell Model for Atomistic Simulation of Lithium Diffusion in Mixed Mn/Ti Oxides

    SciTech Connect (OSTI)

    Kerisit, Sebastien N.; Chaka, Anne M.; Droubay, Timothy C.; Ilton, Eugene S.

    2014-10-23T23:59:59.000Z

    Mixed Mn/Ti oxides present attractive physicochemical properties such as their ability to accommodate Li for application in Li-ion batteries. In this work, atomic parameters for Mn were developed to extend an existing shell model of the Li-Ti-O system and allow simulations of pure and lithiated Mn and mixed Mn/Ti oxide polymorphs. The shell model yielded good agreement with experimentally-derived structures (i.e. lattice parameters and inter-atomic distances) and represented an improvement over existing potential models. The shell model was employed in molecular dynamics (MD) simulations of Li diffusion in the 1×1 c direction channels of LixMn1 yTiyO2 with the rutile structure, where 0 ? x ? 0.25 and 0 ? y ? 1. In the infinite dilution limit, the arrangement of Mn and Ti ions in the lattice was found to have a significant effect on the activation energy for Li diffusion in the c channels due to the destabilization of half of the interstitial octahedral sites. Anomalous diffusion was demonstrated for Li concentrations as low as x = 0.125, with a single Li ion positioned in every other c channel. Further increase in Li concentration showed not only the substantial effect of Li-Li repulsive interactions on Li mobility but also their influence on the time dependence of Li diffusion. The results of the MD simulations can inform intrinsic structure-property relationships for the rational design of improved electrode materials for Li-ion batteries.

  2. DOI: 10.1002/ente.201200009 Examining the CuMnO Spinel System as an Oxygen

    E-Print Network [OSTI]

    Azad, Abdul-Majeed

    of CO2 in the atmosphere. Among these, carbon capture and storage (CCS) is one of the most attractive to CuO­Cu2O and Mn2O3­Mn3O4 as potential CLOU materials. [a] Prof. A.-M. Azad Department of Chemical

  3. Enhanced Li+ ion transport in LiNi0.5Mn1.5O4 through Control...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Li+ ion transport in LiNi0.5Mn1.5O4 through Control of Site Disorder. Enhanced Li+ ion transport in LiNi0.5Mn1.5O4 through Control of Site Disorder. Abstract: High voltage spinel...

  4. 48 28th ANNUAL eMS CHROMIUM(llI) INDUCED SOLID PHASE TRANSFORMATION OF o-Mn02

    E-Print Network [OSTI]

    Sparks, Donald L.

    48 28th ANNUAL eMS CHROMIUM(llI) INDUCED SOLID PHASE TRANSFORMATION OF o-Mn02 Fendorf S pathways which will allow for transformations between oxidation states (redox reactions). Manganese oxides implications for environmental quality. The highly redox reactive a-Mn02 is transformed into a redox stable

  5. Ultrathin Spinel LiMn2O4 Nanowires as High Power Cathode Materials for Li-Ion Batteries

    E-Print Network [OSTI]

    Cui, Yi

    Ultrathin Spinel LiMn2O4 Nanowires as High Power Cathode Materials for Li-Ion Batteries Hyun diameters less than 10 nm and lengths of several micrometers. Galvanostatic battery testing showed that Li, lithium ion battery, LiMn2O4 nanowires, high power density, Jahn-Teller distortion T he high energy

  6. Charge and magnetic states of Mn-, Fe-, and Co-doped monolayer MoS{sub 2}

    SciTech Connect (OSTI)

    Lin, Xianqing [State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084 (China); Collaborative Innovation Center of Quantum Matter, Beijing 100084 (China); Department of Applied Physics, Zhejiang University of Technology, Hangzhou 310023 (China); Ni, Jun, E-mail: junni@mail.tsinghua.edu.cn [State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084 (China); Collaborative Innovation Center of Quantum Matter, Beijing 100084 (China)

    2014-07-28T23:59:59.000Z

    First-principles calculations have been performed to investigate the electronic and magnetic properties of monolayer MoS{sub 2} substitutionally doped with Mn, Fe, and Co in possible charge states (q). We find that the Mn, Fe, and Co dopants substituting for a Mo atom in monolayer MoS{sub 2} (Mn@Mo, Fe@Mo, and Co@Mo) are all magnetic in their neutral and charge states except in the highest positive charge states. Mn@Mo, Fe@Mo, and Co@Mo have the same highest negative charge states of q=?2 for chemical potential of electron just below the conduction band minimum, which corresponds to the electron doping. In the q=?2 state, Mn@Mo has a much larger magnetic moment than its neutral state with the antiferromagnetic coupling between the Mn dopant and its neighboring S atoms maintained, while Fe@Mo and Co@Mo have equal or smaller magnetic moments than their neutral states. The possible charge states of Mn@Mo, Fe@Mo, and Co@Mo and the variation of the magnetic moments for different dopants and charge states are due to the change of the occupation and energy of the anti-bonding defect levels in the band gap. The rich magnetic properties of the neutral and charge states suggest possible realization of the substitutionally Mn-, Fe-, and Co-doped monolayer MoS{sub 2} as dilute magnetic semiconductors.

  7. Polarization Resistance of La0.85Ca0.15MnO3 Cathodes for Solid...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Resistance of La0.85Ca0.15MnO3 Cathodes for Solid Oxide Fuel Cells (SOFCs) Measured Using Patterned Electrodes. Polarization Resistance of La0.85Ca0.15MnO3 Cathodes for Solid Oxide...

  8. MnPASS System Study Phase 2 Prepared for the Minnesota Department of Transportation by Cambridge Systematics, Inc. with SRF

    E-Print Network [OSTI]

    Minnesota, University of

    will be put in place during construction The Next Opportunity See Cayuga Project materials at: http://www.dot.state.mn.us/metro/projects/cayuga/indexPASS onto the Twin City Highway System · Identified a potential MnPASS system ­ Studied cost, operational provide increased trip reliability and user choice in a cost-effective manner (I-394) ­ New lower cost

  9. Effet de l'apport de phosphore, de carbonate de calcium et d'oligo-lments (Cu, Mn, Zn, B)

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Agronomie Effet de l'apport de phosphore, de carbonate de calcium et d'oligo-éléments (Cu, Mn, Zn apports de phosphore, de carbonate de calcium et d'oligo-éléments (Mn, Cu, Zn, B), en vue de mieux celles de B lorsqu'on élčve le pH par apport de carbonate de calcium; - l'accumulation préférentielle de

  10. First-principles study of magnetism in spinel MnO2 Dane Morgan and Billie Wang

    E-Print Network [OSTI]

    Ceder, Gerbrand

    First-principles study of magnetism in spinel MnO2 Dane Morgan and Billie Wang Department to calculate the ground state, transition tem- perature, and thermodynamic properties of magnetic excitations in spinel MnO2 . The magnetic interactions are mapped onto a Heisenberg model whose exchange interactions

  11. Determination of Mn valence states in mixed-valent manganates by XANES spectroscopy AlAin MAnceAu,1,

    E-Print Network [OSTI]

    Cedex 9, France 2 Advanced Light Source, Lawrence Berkeley National Laboratory, One Cyclotron Road and phyllomanganates with no or little Mn3+ in the MnO2 layer exhibit intensi- ties, shapes, and relative energy catalysis, hazardous waste remediation, and rechargeable battery technology (Thackeray 1997; Toupin et al

  12. of Public Attitudes Energy & Environment

    E-Print Network [OSTI]

    and climate change-mitigation technologies; levels of public understanding of global warming and the carbon cycle; and awareness of carbon dioxide capture and storage (CCS). This report summarises the results explore public understanding of sources of carbon dioxide and a climate change-mitigation technology

  13. Public Participation and Community Relations

    Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

    2003-05-02T23:59:59.000Z

    To ensure that public participation and community outreach are integral and effective parts of DOE activities and that decisions are made with the benefit of significant public perspectives. Cancels DOE P 1210.1. Canceled by DOE N 251.104,

  14. Thickness dependent exchange bias in martensitic epitaxial Ni-Mn-Sn thin films

    SciTech Connect (OSTI)

    Behler, Anna [IFW Dresden, Institute for Complex Materials, P.O. Box 27 01 16, 01171 Dresden (Germany) [IFW Dresden, Institute for Complex Materials, P.O. Box 27 01 16, 01171 Dresden (Germany); Department of Physics, Institute for Solid State Physics, Dresden University of Technology, 01062 Dresden (Germany); Teichert, Niclas; Auge, Alexander; Hütten, Andreas [Department of Physics, Thin Films and Physics of Nanostructures, Bielefeld University, 33501 Bielefeld (Germany)] [Department of Physics, Thin Films and Physics of Nanostructures, Bielefeld University, 33501 Bielefeld (Germany); Dutta, Biswanath; Hickel, Tilmann [Max-Planck Institut für Eisenforschung, 40237 Düsseldorf (Germany)] [Max-Planck Institut für Eisenforschung, 40237 Düsseldorf (Germany); Waske, Anja [IFW Dresden, Institute for Complex Materials, P.O. Box 27 01 16, 01171 Dresden (Germany)] [IFW Dresden, Institute for Complex Materials, P.O. Box 27 01 16, 01171 Dresden (Germany); Eckert, Jürgen [IFW Dresden, Institute for Complex Materials, P.O. Box 27 01 16, 01171 Dresden (Germany) [IFW Dresden, Institute for Complex Materials, P.O. Box 27 01 16, 01171 Dresden (Germany); Institute of Materials Science, Dresden University of Technology, 01062 Dresden (Germany)

    2013-12-15T23:59:59.000Z

    A thickness dependent exchange bias in the low temperature martensitic state of epitaxial Ni-Mn-Sn thin films is found. The effect can be retained down to very small thicknesses. For a Ni{sub 50}Mn{sub 32}Sn{sub 18} thin film, which does not undergo a martensitic transformation, no exchange bias is observed. Our results suggest that a significant interplay between ferromagnetic and antiferromagnetic regions, which is the origin for exchange bias, is only present in the martensite. The finding is supported by ab initio calculations showing that the antiferromagnetic order is stabilized in the phase.

  15. Relaxation of photoinduced spins and carriers in ferromagnetic InMnSb films

    SciTech Connect (OSTI)

    Nontapot, K.; Kini, R. N.; Gifford, A.; Merritt, T. R.; Khodaparast, G. A.; Wojtowicz, T.; Liu, X.; Furdyna, J. K. [Department of Physics, Virginia Tech, Blacksburg, Virginia 24061 (United States); Institute of Physics, Polish Academy of Sciences, 02-668 Warsaw (Poland); Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556 (United States)

    2007-04-02T23:59:59.000Z

    The authors report time resolved measurements and control of photoinduced spin and carrier relaxations in InMnSb ferromagnetic films with 2% Mn content (grown by low-temperature molecular beam epitaxy) using femtosecond laser pulses, and compare them to analogous measurements on InBeSb and InSb films. In this work, magneto-optical Kerr effect and standard pump-probe techniques provided a direct measure of the photoexcited spin and carrier lifetimes, respectively. They observe decrease in relaxations times in the high laser fluence regime and an absence of temperature dependence of the relaxation times.

  16. Graphene in proximity to magnetic insulating LaMnO{sub 3}

    SciTech Connect (OSTI)

    Cheng, Guanghui; Wei, Laiming, E-mail: laiming@ustc.edu.cn, E-mail: cgzeng@ustc.edu.cn; Cheng, Long; Liang, Haixing; Zhang, Xiaoqiang; Li, Hui [Hefei National Laboratory for Physical Sciences at the Microscale (HFNL) and Department of Physics, University of Science and Technology of China, Hefei, Anhui 230026 (China); Yu, Guolin [Shanghai Institute of Technical Physics, Chinese Academy of Science, Shanghai 200083 (China); Zeng, Changgan, E-mail: laiming@ustc.edu.cn, E-mail: cgzeng@ustc.edu.cn [Hefei National Laboratory for Physical Sciences at the Microscale (HFNL) and Department of Physics, University of Science and Technology of China, Hefei, Anhui 230026 (China); International Center for Quantum Design of Functional Materials (ICQD), HFNL, University of Science and Technology of China, Hefei, Anhui 230026 (China); Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026 (China)

    2014-09-29T23:59:59.000Z

    Proximity to functional substrates may enhance the coupling between the quantum degrees of freedom and thus develop nontrivial quantum effects in graphene. Here, we demonstrate the successful fabrication of graphene in proximity to atomically flat magnetic insulating LaMnO{sub 3} films. The insulating nature of the LaMnO{sub 3} films not only ensures the electronic transport only occur in the graphene layers but also allow them to serve as dielectric layers for gating. Transport measurements reveal anomalous behaviors, including asymmetrical longitudinal magnetoresistivity and nonlinear Hall effect. This work may pave a way toward the realization of intriguing quantum phases in graphene.

  17. Dynamical x-ray diffraction from an icosahedral Al-Pd-Mn quasicrystal

    SciTech Connect (OSTI)

    Kycia, S.

    1996-04-23T23:59:59.000Z

    Primary extinction effects in diffraction from single grains of Al-Pd- Mn, and presumably many other FCI alloys, may be significant and should be corrected for prior to use of diffraction data in structural determinations. Probes based on dynamical diffraction effects, such as x-ray standing wave fluorescence, multiple beam interference, and x-ray transmission topographs, may now be used to study the bulk and surface structure of some quasicrystals. The observation of dynamical diffraction from icosahedral Al-Pd-Mn is a striking confirmation of the fact that quasicrystals can present a degree of structural perfection comparable to that found in the best periodic intermetallic crystals.

  18. Quantum Critical Transition Amplifies Magnetoelastic Coupling in Mn[N(CN)2]2

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Brinzari, T. V.; Chen, P.; Sun, Q.-C.; Liu, J.; Tung, L.-C.; Wang, Y.; Schlueter, J. A.; Singleton, J.; Manson, J. L.; Whangbo, M.-H.; Litvinchuk, A. P.; Musfeldt, J. L.

    2013-06-01T23:59:59.000Z

    We report the discovery of a magnetic quantum critical transition in Mn[N(CN)2]2 that drives the system from a canted antiferromagnetic state to the fully polarized state with amplified magnetoelastic coupling as an intrinsic part of the process. The local lattice distortions, revealed through systematic phonon frequency shifts, suggest a combined MnN6 octahedra distortion+counterrotation mechanism that reduces antiferromagnetic interactions and acts to accommodate the field-induced state. These findings deepen our understanding of magnetoelastic coupling near a magnetic quantum critical point and away from the static limit.

  19. Structural transformations in Mn{sub 2}NiGa due to residual stress

    SciTech Connect (OSTI)

    Singh, Sanjay; Maniraj, M.; D'Souza, S. W.; Barman, S. R. [UGC-DAE Consortium for Scientific Research, Khandwa Road, Indore 452001 (India); Ranjan, R. [Department of Materials Engineering, Indian Institute of Science, Bangalore 560012 (India)

    2010-02-22T23:59:59.000Z

    Powder x-ray diffraction study of Mn{sub 2}NiGa ferromagnetic shape memory alloy shows the existence of a 7M monoclinic modulated structure at room temperature (RT). The structure of Mn{sub 2}NiGa is found to be highly dependent on residual stress. For higher stress, the structure is tetragonal at RT, and for intermediate stress it is 7M monoclinic. However, only when the stress is considerably relaxed, the structure is cubic, as is expected at RT since the martensitic transition temperature is 230 K.

  20. MnO spin-wave dispersion curves from neutron powder diffraction

    SciTech Connect (OSTI)

    Goodwin, Andrew L.; Dove, Martin T. [Department of Earth Sciences, Cambridge University, Downing Street, Cambridge CB2 3EQ (United Kingdom); Tucker, Matthew G. [ISIS Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire OX11 0QX (United Kingdom); Keen, David A. [ISIS Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire OX11 0QX (United Kingdom); Department of Physics, Oxford University, Clarendon Laboratory, Parks Road, Oxford OX1 3PU (United Kingdom)

    2007-02-15T23:59:59.000Z

    We describe a model-independent approach for the extraction of spin-wave dispersion curves from powder neutron total scattering data. Our approach is based on a statistical analysis of real-space spin configurations to calculate spin-dynamical quantities. The RMCPROFILE implementation of the reverse Monte Carlo refinement process is used to generate a large ensemble of supercell spin configurations from MnO powder diffraction data collected at 100 K. Our analysis of these configurations gives spin-wave dispersion curves for MnO that agree well with those determined independently using neutron triple-axis spectroscopic techniques.

  1. A study of magnetic anisotropy energy in CuMn spin glass

    E-Print Network [OSTI]

    Allen, Christine Adele

    1986-01-01T23:59:59.000Z

    A STUDY OF MAGNETIC ANISOTROPY ENERGY IN CuMn SPIN GLASS A Thesis by CHRISTINE ADELE ALLEN Submitted to the Graduate College of Texas ARM University in partial fulfillment of the requirement for the degree of MASTER OF SCIENCE August 1986... Major Subject: Physics A STUDY OF MAGNETIC ANISOTROPY ENERGY IN CuMn SPIN GLASS A Thesis by CHRISTINE ADELE ALLEN Approved as to style and content by: Thomas W. Adair, III (Chai man of Committee) Robert A. enefick (Member) Donald L. Parker...

  2. Modeling and Characterization of the Magnetocaloric Effect in Ni2MnGa Materials

    SciTech Connect (OSTI)

    Nicholson, Don M [ORNL; Odbadrakh, Khorgolkhuu [ORNL; Shassere, Benjamin [ORNL; Rios, Orlando [ORNL; Hodges, Jason P [ORNL; Ludtka, Gerard Michael [ORNL; Porter, Wallace D [ORNL; Safa-Sefat, Athena [ORNL; Rusanu, Aurelian [ORNL; Brown, Greg [ORNL; Evans III, Boyd Mccutchen [ORNL

    2014-01-01T23:59:59.000Z

    Magnetic shape memory alloys have great promise as magneto-caloric effect refrigerant materials due to their combined magnetic and structural transitions. Computational and experimental research is reported on the Ni2MnGa material system. The magnetic states of this system are explored using the Wang-Landau statistical approach in conjunction with the Locally Self-consistent Multiple-Scattering method. The effects of alloying agents on the transition temperatures of the Ni2MnGa alloy are investigated using differential scanning calorimetry and superconducting quantum interference device. Experiments are performed at the Spallation Neutron Source at Oak Ridge National Laboratory to observe the structural and magnetic phase transformations.

  3. Spatial distribution of MnS inclusions in HY-100 steel

    SciTech Connect (OSTI)

    Everett, R.K. [Naval Research Lab., Washington, DC (United States). Multifunctional Materials Branch] [Naval Research Lab., Washington, DC (United States). Multifunctional Materials Branch; Geltmacher, A.B. [FM Technologies, Inc., Fairfax, VA (United States)] [FM Technologies, Inc., Fairfax, VA (United States)

    1999-02-05T23:59:59.000Z

    High strength steels have been shown to fail by a ductile fracture process which includes void nucleation, growth, and linking by coalescence and void sheeting. Since the voids are thought to nucleate at MnS inclusions and initial void nucleating strains are considered small, some relationship between the inclusion spatial distribution and the initial void spatial distribution appears reasonable. The initial void spatial distribution is desired for improved models of void growth and coalescence behavior. This paper reports on the density, and size and spatial distributions of MnS inclusions in an HY-100 steel.

  4. Effect of Ti doping on high pressure behavior of BiMn{sub 2}O{sub 5}

    SciTech Connect (OSTI)

    Pandey, K. K., E-mail: kkpandey@barc.gov.in; Poswal, H. K., E-mail: kkpandey@barc.gov.in; Sharma, Surinder M. [High Pressure and Synchrotron Radiation Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai 40008 (India); Kumar, Ravi [Centre for Materials Science and Engineering, National Institute of Technology, Hamirpur-177005 (India)

    2014-04-24T23:59:59.000Z

    Our high pressure x-ray diffraction studies on BiMn{sub 1.5}Ti{sub 0.5}O{sub 5} show iso-structural phase transition above 12 GPa similar to the one observed in undoped BiMn{sub 2}O{sub 5}; however anisotropic compressional behavior is found to be more enhanced in the doped case. Unlike undoped system, an anomalous lattice expansion along c axis has been observed in BiMn{sub 1.5}Ti{sub 0.5}O{sub 5} above 12 GPa; whereas the b lattice parameter has been found to be more compressible as compared to BiMn{sub 2}O{sub 5}. As doping with Ti reduces the magnetic interactions among Mn ions, the observed changes are suggestive of having adverse magnetic implications in the observed iso-structural phase transition.

  5. Rapid liquid phase sintered Mn doped BiFeO{sub 3} ceramics with enhanced polarization and weak magnetization

    SciTech Connect (OSTI)

    Kumar, Manoj; Yadav, K. L. [Smart Material Research Laboratory, Department of Physics, Indian Institute of Technology, Roorkee-247667 (India)

    2007-12-10T23:59:59.000Z

    Single-phase BiFe{sub 1-x}Mn{sub x}O{sub 3} multiferroic ceramics have been synthesized by rapid liquid phase sintering method to study the influence of Mn substitution on their crystal structure, dielectric, magnetic, and ferroelectric behaviors. From XRD analysis it is seen that Mn substitution does not affect the crystal structure of the BiFe{sub 1-x}Mn{sub x}O{sub 3} system. An enhancement in magnetization was observed for BiFe{sub 1-x}Mn{sub x}O{sub 3} ceramics. However, the ferooelectric hysteresis loops were not really saturated, we observed a spontaneous polarization of 10.23 {mu}C/cm{sup 2} under the applied field of 42 kV/cm and remanent polarization of 3.99 {mu}C/cm{sup 2} for x=0.3 ceramic.

  6. Growth of single-crystal {alpha}-MnO{sub 2} nanorods on multi-walled carbon nanotubes

    SciTech Connect (OSTI)

    Chen Yong [Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016 (China); Key Laboratory of Tropic Biological Resources, MOE, Hainan University, 58 Renmin Road, Haikou 570228 (China); Liu Chenguang; Liu Chang [Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016 (China); Lu Gaoqing [ARC Centre for Functional Nanomaterials, Australian Institute of Bioengineering and Nanotechnology, University of Queensland, QLD 4072 (Australia); Cheng Huiming [Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016 (China)], E-mail: cheng@imr.ac.cn

    2007-11-06T23:59:59.000Z

    Single-crystal {alpha}-MnO{sub 2} nanorods were grown on multi-walled carbon nanotubes (MWNTs) in H{sub 2}SO{sub 4} aqueous solution. The morphology and microstructure of the composites were examined by transmission electron microscopy, high-resolution transmission electron microscopy (HRTEM), X-ray diffractometry and energy dispersive spectroscopy (EDS). The results show that {alpha}-MnO{sub 2} single-crystal nanorods with a mean diameter of 15 nm were densely grown on the surface of MWNTs. Those MWNTs/MnO{sub 2} composites were used as an electrode material for supercapacitors, and it was found that the supercapacitor performance using MWNTs/MnO{sub 2} composites was improved largely compared to that using pure MWNTs and {alpha}-MnO{sub 2} nanorod mechanically mixed with MWNTs.

  7. Bulk and surface half-metallicity: The case of D0{sub 3}-type Mn{sub 3}Ge

    SciTech Connect (OSTI)

    Liu, Hao; Gao, G. Y., E-mail: guoying-gao@mail.hust.edu.cn; Hu, Lei; Ni, Yun; Zu, Fengxia; Zhu, Sicong; Wang, Shuling; Yao, K. L. [School of Physics and Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan 430074 (China)

    2014-01-21T23:59:59.000Z

    Motivated by the experimental realization of D0{sub 22}-type Mn{sub 3}Ge (001) films [Kurt et al. Appl. Phys. Lett. 101, 132410 (2012)] and the structural stability of D0{sub 3}-type Heusler alloy Mn{sub 3}Ge [Zhang et al. J. Phys.: Condens. Matter 25, 206006 (2013)], we use the first-principles calculations based on the full potential linearized augmented plane-wave method to investigate the electronic and magnetic properties of D0{sub 3}-type Heusler alloy Mn{sub 3}Ge and its (001) surface. We show that bulk D0{sub 3}-Mn{sub 3}Ge is a half-metallic ferromagnet with the minority-spin energy gap of 0.52?eV and the magnetic moment of 1.00??{sub B} per formula unit. The bulk half-metallicity is preserved at the pure Mn-terminated (001) surface due to the large exchange split, but the MnGe-terminated (001) surface destroys the bulk half-metallicity. We also reveal that the surface stabilities are comparable between the D0{sub 3}-Mn{sub 3}Ge (001) and the experimental D0{sub 22}-Mn{sub 3}Ge (001), which indicates the feasibility to grow the Mn{sub 3}Ge (001) films with D0{sub 3} phase other than D0{sub 22} one. The surface half-metallicity and stability make D0{sub 3}-Mn{sub 3}Ge a promising candidate for spintronic applications.

  8. Redox Exchange Induced MnO2 Nanoparticle Enrichment in Poly(3,4-ethylenedioxythiophene) Nanowires for Electrochemical Energy Storage

    SciTech Connect (OSTI)

    Liu, R; Duay, Jonathon; Lee, Sang Bok

    2010-01-01T23:59:59.000Z

    MnO{sub 2} nanoparticle enriched poly(3,4-ethylenedioxythiophene) (PEDOT) nanowires are fabricated by simply soaking the PEDOT nanowires in potassium permanganate (KMnO{sub 4}) solution. The structures of these MnO{sub 2} nanoparticle enriched PEDOT nanowires are characterized by SEM and TEM, which show that the MnO{sub 2} nanoparticles have uniform sizes and are finely dispersed in the PEDOT matrix. The chemical constituents and bonding of these composite nanowires are characterized by energy-dispersive X-ray analysis, X-ray photoelectron spectroscopy, and infrared spectroscopy, which indicate that the formation and dispersion of these MnO{sub 2} nanoparticles into the nanoscale pores of the PEDOT nanowires are most likely triggered by the reduction of KMnO{sub 4} via the redox exchange of permanganate ions with the functional group on PEDOT. Varying the concentrations of KMnO{sub 4} and the reaction time controls the loading amount and size of the MnO{sub 2} nanoparticles. Cyclic voltammetry and galvanostatic charge?discharge are used to characterize the electrochemical properties of these MnO{sub 2} nanoparticle loaded PEDOT nanowires. Due to their extremely high exposed surface area with nanosizes, the pristine MnO{sub 2} nanoparticles in these MnO{sub 2} nanoparticle enriched PEDOT nanowires show very high specific capacitance (410 F/g) as the supercapacitor electrode materials as well as high Li+ storage capacity (300 mAh/g) as cathode materials of Li ion battery, which boost the energy storage capacity of PEDOT nanowires to 4 times without causing excessive volume expansion in the polymer. The highly conductive and porous PEDOT matrix facilitates fast charge/discharge of the MnO{sub 2} nanoparticles and prevents them from agglomerating. These synergic properties enable the MnO{sub 2} nanoparticle enriched PEDOT nanowires to be promising electrode materials for supercapacitors and lithium ion batteries.

  9. Mixing Rocksalt and Wurtzite Structure Binary Nitrides to Form Novel Ternary Alloys: ScGaN and MnGaN

    E-Print Network [OSTI]

    Mixing Rocksalt and Wurtzite Structure Binary Nitrides to Form Novel Ternary Alloys: ScGaN and Mn wurtzite structure and tetrahedral bonding, both MnN and ScN are face-centered tetragonal (fct [11]. Though challenging, growth of wurtzite MnGaN alloy by molecular beam epitaxy using radio

  10. FeMn/Fe/Co/Cu(1,1,10) films studied using the magneto-optic Kerr effect and photoemission electron microscopy

    E-Print Network [OSTI]

    Meng, Y.

    2012-01-01T23:59:59.000Z

    B 84, 064416 (2011) FeMn/Fe/Co/Cu(1,1,10) ?lms studied usingmeasurements on FeMn/ Fe(8ML)/Co/vicinal Cu(001), in whichthe FeMn(10ML)/Fe(2ML)/Co(20ML)/Cu(1,1,10) sample growth. (

  11. Suppression of g phase in Ni38Co12Mn41Sn9 alloy by melt spinning and its effect on martensitic transformation and magnetic properties

    E-Print Network [OSTI]

    Zheng, Yufeng

    Ni43Co7Mn39Sn11 alloy fabricated by spark plasma sintering (SPS) [3]. In NiMnSn, NiMnGa and Ni by spark plasma sintering [3]. The g phase usually deteriorates shape memory effect due to its impediment

  12. Public Health Air Surveillance Evaluation Project Public Health Air Surveillance Evaluation (PHASE) Project

    E-Print Network [OSTI]

    Public Health Air Surveillance Evaluation Project Public Health Air Surveillance Evaluation (PHASE) Project Evaluating, Developing, and Delivering Air Quality Characterization Data to Environmental Public Public Health Tracking (EPHT) Network. The EPA is developing routinely available air quality information

  13. Publications on maglev technologies

    SciTech Connect (OSTI)

    He, J.L.; Coffey, H.T.; Rote, D.M.; Wang, Z.

    1991-12-01T23:59:59.000Z

    Magnetically levitated passenger-transportation vehicles, using attractive and repulsive magnetic forces, are currently in the development or prototype-revenue stages in Japan and Germany. The basic principles of these technologies have been understood for several decades, but their practical applications awaited advances in high-power electronic devices, modern controls, superconducting magnets, and improvements in our transportation infrastructures. A considerable amount of work was devoted to magnetic-levitation (maglev) transportation system in the late 1960s and the 1970s. Detailed development was sustained primarily in Germany and Japan. This listing of publications was begun as the initial phase of a design study for a maglev development facility sponsored by the State of Illinois. The listing has been continually updated under programs sponsored by the Federal Railroad Administration and the US Army Corps of Engineers. In 1991, the National Maglev Initiative issued 27 contracts for the study of technical issues related to maglev and four contracts for the definition of maglev systems. In December 1991, the Intermodal Surface Transportation Efficiency Act was enacted, mandating the development of a US-designed maglev system in a six-year period. This listing is offered as an aid to those working on these projects, to help them locate technical papers on relevant technologies. The design and installation of a maglev transportation system will require the efforts of workers in many disciplines, from electronics to economics to safety. Accordingly, the references have been grouped in 14 different sections to expedite review of the listing. In many case, the references are annotated to indicate the general content of the papers. Abstracts are not available. A list of information services from which the listed documents might be obtained and an author index are provided.

  14. SchoolofPublicHealth School of Public Health

    E-Print Network [OSTI]

    Illinois at Chicago, University of

    : School of Public Health (MC 923) 1603 West Taylor Street Chicago, IL 60612-4394 Campus Location: 1149 Health (MC 923) 1603 West Taylor Street Chicago, IL 60612-4394 Campus Location: 778A SPHPI Program Code

  15. Argonne National Laboratory 1985 publications

    SciTech Connect (OSTI)

    Kopta, J.A. (ED.); Hale, M.R. (comp.)

    1987-08-01T23:59:59.000Z

    This report is a bibliography of scientific and technical 1985 publications of Argonne National Laboratory. Some are ANL contributions to outside organizations' reports published in 1985. This compilation, prepared by the Technical Information Services Technical Publications Section (TPB), lists all nonrestricted 1985 publications submitted to TPS by Laboratory's Divisions. The report is divided into seven parts: Journal Articles - Listed by first author, ANL Reports - Listed by report number, ANL and non-ANL Unnumbered Reports - Listed by report number, Non-ANL Numbered Reports - Listed by report number, Books and Book Chapters - Listed by first author, Conference Papers - Listed by first author, Complete Author Index.

  16. mn header will be provided by the publisher Linear Passive Stationary Scattering Systems

    E-Print Network [OSTI]

    Rovnyak, James

    mn header will be provided by the publisher Linear Passive Stationary Scattering Systems 26, Odessa 65020, Ukraine 2 Department of Mathematics, University of Virginia, P. O. Box 400137@farlep.net Corresponding author: e-mail: rovnyak@Virginia.edu e-mail: sergey saprikin@ukr.net Copyright line

  17. Electrical gating effects on the magnetic properties of (Ga,Mn)As diluted magnetic semiconductors

    E-Print Network [OSTI]

    Owen, Man Hon Samuel

    2010-11-16T23:59:59.000Z

    -effect transistor (FET) based on low-doped Ga0.975Mn0.025As was fabricated. It has an in-built n-GaAs back-gate, which, in addition to being a normal gate, enhances the gating effects, especially in the depletion of the epilayer, by decreasing the effective channel...

  18. Electrodeposition of Mn-Co Alloys on Stainless Steels for SOFC Interconnect Application

    SciTech Connect (OSTI)

    Wu, J. (West Virginia University); Jiang, Y. (West Virginia University); Johnson, C.; Gong, M. (West Virginia University); Liu, X. (West Virginia University)

    2007-09-01T23:59:59.000Z

    Chromium-containing ferritic stainless steels are the most popular materials for solid oxide fuel cell (SOFC) interconnect applications because of its oxidation resistance and easy fabrication process. However, excessive scale growth and chromium evaporation will degrade the cell performance. Highly conductive coatings that resist oxide scale growth and chromium evaporation may prevent both of these problems. Mn1.5Co1.5O4 spinel is one of the most promising coatings for interconnect application because of its high conducitivy, good chromium retention capability, as well as good CTE match. Electroplating of alloys or thin film multilayers followed by controlled oxidation to the desired spinel phase offers an additional deposition option. In the present study binary Mn/Co alloys was fabricated by electrodeposition, and polarization curves were used to characterize the cathodic reactions on substrate surface. By controlling the current density precisely, coatings with Mn/Co around 1:1 has been successfully deposited in Mn/Co =10 solutions, SEM and EDX was used to characterize the surface morphology and composition.

  19. Thermoelectric properties of high quality nanostructured Ge:Mn thin D. Tanoff2*

    E-Print Network [OSTI]

    Boyer, Edmond

    Thermoelectric properties of high quality nanostructured Ge:Mn thin films D. Taļnoff2* , A. Barski2 nanostructured thin films and the measurement of their thermoelectric properties. We investigate the growth of Ge temperature thermoelectric properties of these layers containing spherical inclusions are discussed regarding

  20. Chobert MN et al LIVER PRECURSOR CELLS INCREASE HEPATIC FIBROSIS INDUCED BY CHRONIC

    E-Print Network [OSTI]

    Boyer, Edmond

    by chronic carbon tetrachloride (CCl4) administration for 6 weeks, in combination with chronic; CCl4, carbon tetrachloride; CK19, cytokeratin 19; CCR2, chemokine C-C motif receptor 2; EMTChobert MN et al LIVER PRECURSOR CELLS INCREASE HEPATIC FIBROSIS INDUCED BY CHRONIC CARBON

  1. Mn-Substituted Inorganic-Organic Hybrid Materials Based on ZnSe

    E-Print Network [OSTI]

    Li, Jing

    for optoelectronics and information storage technology. In this study, we demonstrate that the hybrid nanostructuresMn-Substituted Inorganic-Organic Hybrid Materials Based on ZnSe: Nanostructures That May Lead are highly desirable and extremely attractive in the development of new multifunctional devices

  2. Frustration and multiferroic behavior in Ca3CoMnO6

    SciTech Connect (OSTI)

    Zapf, Vivien [Los Alamos National Laboratory

    2012-06-01T23:59:59.000Z

    Lu{sub 2}MnCoO{sub 6} and Ca{sub 3}MnCoO{sub 6} satisfy one of the primary goals of multiferroics research, namely ferromagnetic-like magnetization coupled to ferroelectric-like polarization. Thus the mechanism for magnetoelectric coupling in these materials deserves careful study. New data shows that the physics of these compound may be related to the classic 'ANNNI' model. Frustration between ferromagnetic nearest-neighbor and antiferromagnetic next-nearest-neighbor interactions between Ising spins creates an 'up up down down' magnetic structure in zero magnetic field, along c-axis chains that consist of alternating Co and Mn ions. In applied magnetic fields 'up up down,' 'up up up down' and other metastable variations can evolve, yielding hysteretic ferromagnetic-like magnetization. The key is that the phase slips between regions of 'up' and 'down' carries an electric polarization due to broken spatial inversion symmetry. Thus these phase slips can be manipulated with both electric and magnetic fields. The result is a profusion of magnetic and electric states that are closely-spaced in temperature, electric, and magnetic field. We present experimental studies of the magnetic, electric, and structural properties of these two compounds. We include very new data up to 100 Ton Ca{sub 3}CoMnO{sub 6} that resolves a key controversy of over the magnetic structure and the size of the moments.

  3. Solar DEM Model Proposal : A solar image in color band b, mn pixels,

    E-Print Network [OSTI]

    Wolfe, Patrick J.

    Solar DEM Model Proposal : A solar image in color band b, m×n pixels, containing a particular solar 11 )( #12;Solar DEM Model Proposal : the volume (abundance?) of ion ii : the proportion of the total volume at temperature t t T t bitt I i ib MIE 11 )( #12;Solar Dataset · 15 Filters.txt files

  4. Modulation on Ni{sub 2}MnGa(001) surface

    SciTech Connect (OSTI)

    D'Souza, S. W.; Rai, Abhishek; Nayak, J.; Maniraj, M.; Dhaka, R. S.; Barman, S. R.; Schlagel, D. L.; Lograsso, T. A. [UGC-DAE Consortium for Scientific Research, Khandwa Road, Indore, 452001, Madhya Pradesh (India); Ames Laboratory U. S. DOE, Iowa State University, Ames, Iowa 50011-3020 (United States)

    2011-07-15T23:59:59.000Z

    We report periodic modulation on (001) surface of Ni2MnGa ferromagnetic shape memory alloy. For the stoichiometric surface, analysis of the low energy electron diffraction (LEED) spot profiles shows that the modulation is incommensurate. The modulation appears at 200 K, concomitant with the first order structural transition to the martensitic phase.

  5. Mixed Zn and O substitution of Co and Mn in ZnO

    E-Print Network [OSTI]

    Pereira, Lino Miguel da Costa; Decoster, Stefan; Correia, Joćo Guilherme; Amorim, Lķgia Marina; da Silva, Manuel Ribeiro; Araśjo, Joćo Pedro; Vantomme, André

    2011-01-01T23:59:59.000Z

    The physical properties of an impurity atom in a semiconductor are primarily determined by the lattice site it occupies. In general, this occupancy can be correctly predicted based on chemical intuition, but not always. We report on one such exception in the dilute magnetic semiconductors Co- and Mn-doped ZnO, experimentally determining the lattice location of Co and Mn using ??-emission channeling from the decay of radioactive 61Co and 56Mn implanted at the ISOLDE facility at CERN. Surprisingly, in addition to the majority substituting for Zn, we find up to 18% (27%) of the Co (Mn) atoms in O sites, which is virtually unaffected by thermal annealing up to 900 °C. We discuss how this anion site configuration, which had never been considered before for any transition metal in any metal oxide material, may in fact have a low formation energy. This suggests a change in paradigm regarding transition-metal incorporation in ZnO and possibly other oxides and wide-gap semiconductors.

  6. Shapes of Knotted Cyclic Polymers Eric J. Rawdon, University of St. Thomas, Saint Paul, MN, USA

    E-Print Network [OSTI]

    Bigelow, Stephen

    Shapes of Knotted Cyclic Polymers Eric J. Rawdon, University of St. Thomas, Saint Paul, MN, USA, USA Momentary configurations of long polymers at thermal equilibrium usually deviate from spherical of asphericity (or prolateness) that describe these momentary ellipsoidal shapes of a polymer are determined

  7. Microscopic mechanism of the noncrystalline anisotropic magnetoresistance in (Ga,Mn)As

    E-Print Network [OSTI]

    Vyborny, Karel; Kucera, Jan; Sinova, Jairo; Rushforth, A. W.; Gallagher, B. L.; Jungwirth, T.

    2009-01-01T23:59:59.000Z

    Starting with a microscopic model based on the Kohn-Luttinger Hamiltonian and kinetic p-d exchange combined with Boltzmann formula for conductivity we identify the scattering from magnetic Mn combined with the strong spin-orbit interaction of the Ga...

  8. Reduced-activation austenitic stainless steels: The Fe--Mn--Cr--C system

    SciTech Connect (OSTI)

    Klueh, R.L.; Maziasz, P.J.

    1988-01-01T23:59:59.000Z

    Nickel-free manganese-stabilized steels are being developed for fusion-reactor applications. As the first part of this effort, the austenite-stable region in the Fe--Mn--Cr--C system was determined. Results indicated that the Schaeffler diagram developed for Fe--Ni--Cr--C alloys cannot be used to predict the constituents expected for high-manganese steels. This is true because manganese is not as strong an austenite stabilizer relative to delta-ferrite formation as predicted by the diagram, but it is a stronger austenite stabilizer relative to martensite than predicted. Therefore, the austenite-stable region for Ne--Mn--Cr--C alloys occurs at lower chromium and hugher combinations of manganese and carbon than predicted by the Schaeffler diagram. Development of a manganese-stabilized stainless steel should be possible in the composition range of 20 to 25% Mn, 10 to 15% Cr, and 0.01 to 0.25%C. Tensile behavior of an Fe--20%Mn--12%Cr--0.25%C alloy was determined. The strength and ductility of this possible base composition was comparable to type 316 stainless steel in both the solution-annealed and cold-worked condition.

  9. Single Nanorod Devices for Battery Diagnostics: A Case Study on LiMn2O4

    E-Print Network [OSTI]

    Cui, Yi

    nanostructure devices as a powerful new diagnostic tool for batteries with LiMn2O4 nanorod materials energy storage devices for portable electronic devices, power tools, and electrical vehicles.1-4 Anodes applied to battery researches. This work represents the first example of single nanostructure device

  10. A violet emission in ZnS:Mn,Eu: Luminescence and applications for radiation detection

    SciTech Connect (OSTI)

    Ma, Lun; Chen, Wei, E-mail: weichen@uta.edu [Department of Physics and the SAVANT Center, The University of Texas at Arlington, Arlington, Texas 76019-0059 (United States); Jiang, Ke [Center for Biofrontiers Institute, University of Colorado at Colorado Springs, 1420 Austin Bluffs Pkwy., Colorado Springs, Colorado 80918 (United States); Liu, Xiao-tang [Department of Physics and the SAVANT Center, The University of Texas at Arlington, Arlington, Texas 76019-0059 (United States); Department of Applied Chemistry, College of Science, South China Agricultural University, Guangzhou 510642 (China)

    2014-03-14T23:59:59.000Z

    We prepared manganese and europium co-doped zinc sulfide (ZnS:Mn,Eu) phosphors and used them for radiation detection. In addition to the red fluorescence at 583?nm due to the d-d transition of Mn ions, an intense violet emission at 420?nm is newly observed in ZnS:Mn,Eu phosphors. The emission is related to Eu{sup 2+} doping but only appears at certain Eu{sup 2+} concentrations. It is found that the intensity of the 420?nm violet fluorescence is X-ray does-dependent, while the red fluorescence of 583?nm is not. The ratio of fluorescence intensities at 420?nm and 583?nm has been monitored as a function of X-ray doses that exposed upon the ZnS:Mn,Eu phosphors. Empirical formulas are provided to estimate the doses of applied X-ray irradiation. Finally, possible mechanisms of X-ray irradiation induced fluorescence quenching are discussed. The intense 420?nm emission not only provides a violet light for solid state lighting but also offers a very sensitive method for radiation detection.

  11. Peter W. Colby Professor of Public Administration

    E-Print Network [OSTI]

    Wu, Shin-Tson

    : A Workbook for Public Managers, State University of New York Press, Albany, New York, 1990. Co Personnel Administration, and State and Local Government Review. Selected Courses Taught Public Management, Administrative Theory, Fiscal Management, Public Budgeting, Reengineering, Non- Profit Management ... Outstanding

  12. Democratic Institutions and Provision of Public Good

    E-Print Network [OSTI]

    Saha, Sarani

    2007-01-01T23:59:59.000Z

    2003. [3] R. T. Deacon and S. Saha. Public Good Provision byof a Public Good Sarani Saha PhD Candidate Donald Brenof a Public Good Sarani Saha PhD Candidate Donald Bren

  13. Templeman Library Official publication loan

    E-Print Network [OSTI]

    Banaji,. Murad

    Templeman Library Official publication loan Use this form to borrow items from the British ............................................................................ * Initials ............................................................................ * Library card number ............................................................................ Fields marked * are required The item will be issued to your Library account as an Ordinary Loan item

  14. Helical antiferromagnetic ordering in Lu1-xScxMnSi

    SciTech Connect (OSTI)

    Goetsch, Ryan J [Ames Laboratory; Anand, V K [Ames Laboratory; Johnston, David C [Ames Laboratory

    2014-08-01T23:59:59.000Z

    Polycrystalline samples of Lu1?xScxMnSi (x=0, 0.25, 0.5) are studied using powder x-ray diffraction, heat capacity Cp, magnetization, magnetic susceptibility ?, and electrical resistivity ? measurements versus temperature T and magnetic field H. This system crystallizes in the primitive orthorhombic TiNiSi-type structure (space group Pnma) as previously reported. The ?(T) data indicate metallic behavior. The Cp(T), ?(T), and ?(T) measurements consistently indicate long-range antiferromagnetic (AF) transitions with AF ordering temperatures TN=246, 215, and 188 K for x=0, 0.25, and 0.5, respectively. A second transition is observed at somewhat lower T for each sample from the ?(T) and ?(T) measurements, which we speculate are due to spin reorientation transitions; these second transitions are completely suppressed in H=5.5 T. The Cp data below 10 K for each composition indicate an enhanced Sommerfeld electronic heat capacity coefficient for the series in the range ?=24–29 mJ/mol K2. The ?(T) measurements up to 1000 K were fitted by local-moment Curie-Weiss behaviors which indicate a low Mn spin S?1. The ? data below TN are analyzed using the Weiss molecular field theory for a planar noncollinear cycloidal AF structure with a composition-dependent pitch, following the previous neutron diffraction work of Venturini et al. [J. Alloys Compd. 256, 65 (1997)]. Within this model, the fits indicate a turn angle between Mn ordered moments along the cycloid axis of ?100? or ?145?, either of which indicate dominant AF interactions between the Mn spins in the Lu1?xScxMnSi series of compounds.

  15. Sandia National Laboratories: Batteries & Energy Storage Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    StorageBatteries & Energy Storage Publications Batteries & Energy Storage Publications Batteries & Energy Storage Fact Sheets Achieving Higher Energy Density in Flow Batteries at...

  16. Essays in Human Development and Public Policy

    E-Print Network [OSTI]

    Nandi, Arindam

    2010-01-01T23:59:59.000Z

    Abortion in India: Debates and Public Policy . . . . . .relative impact of public policy in India. The essays followevaluation of demographic policies in India ranging from the

  17. Sandia National Laboratories: Nuclear Energy Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Publications Nuclear Energy Publications Nuclear Energy Safety Fact Sheets Assuring Safe Transportation of Nuclear and Hazardous Materials Human Reliability Assessment (HRA)...

  18. Drainage, Sanitation, and Public Facilities Districts (Virginia)

    Broader source: Energy.gov [DOE]

    This legislation provides for the establishment of sanitary, sanitation, drainage, and public facilities districts in Virginia. Designated districts are public bodies, and have the authority to...

  19. Documents and Publications | Department of Energy

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Documents and Publications Documents and Publications Real Estate Documents Acquisition Guide for Federal Agencies Certified Reality Specialist Biography DOJ Title Standards for...

  20. Mississippi Public Service Commission Adopts Energy Efficiency...

    Energy Savers [EERE]

    Mississippi Public Service Commission Adopts Energy Efficiency Rules Mississippi Public Service Commission Adopts Energy Efficiency Rules November 8, 2013 - 12:00am Addthis...

  1. Enhanced magnetic and electrical properties in amorphous Ge:Mn thin films by non-magnetic codoping

    SciTech Connect (OSTI)

    Yin Wenjing; Kell, Copeland D.; Duska, Chris; Lu Jiwei; Floro, Jerrold A. [Department of Materials Science and Engineering, University of Virginia, Charlottesville, Virginia 22904 (United States); He Li; Hull, Robert [Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, New York 12180 (United States); Dolph, Melissa C. [Department of Physics, University of Virginia, Charlottesville, Virginia 22904 (United States); Wolf, Stuart A. [Department of Materials Science and Engineering, University of Virginia, Charlottesville, Virginia 22904 (United States); Department of Physics, University of Virginia, Charlottesville, Virginia 22904 (United States)

    2012-02-01T23:59:59.000Z

    Amorphous Ge{sub 1-x}Mn{sub x} thin films have been prepared by co-depositing Ge and Mn on SiO{sub 2}/Si using an ultrahigh vacuum molecular beam epitaxy system. Across a range of growth temperatures and Mn concentrations (2.8 at. %, 10.9 at. %, and 21.3 at. %), we achieved enhanced magnetic and electrical properties with non-magnetic codopants dispersed in the films. Self-assembled Mn-rich amorphous nanostructures were observed in the amorphous Ge matrix, either as isolated nanoclusters or as nanocolumns, depending on Mn concentration. The ferromagnetic saturation moments were found to increase with Mn concentration and reached a maximum of 0.7 {mu}{sub B}/Mn in the as-grown samples. Two magnetic transition temperatures around 15 K and 200 K were observed in these amorphous MBE-grown samples. Coercivity is considered within the context of local magnetic anisotropy. The anomalous Hall effect confirmed a strong correlation between the magnetization and transport properties, indicating that global ferromagnetic coupling was carrier-mediated rather than through direct exchange. In addition, negative magnetoresistance was detected from 5 K to room temperature.

  2. High-field electroluminescence in semiconductor tunnel junctions with a Mn-doped GaAs layer

    SciTech Connect (OSTI)

    Hai, Pham Nam [Department of Electrical Engineering and Information Systems, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656 (Japan); Department of Physical Electronics, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-0033 (Japan); Yatsui, Takashi; Ohtsu, Motoichi; Tanaka, Masaaki [Department of Electrical Engineering and Information Systems, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656 (Japan); Nanophotonics Research Center, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656 (Japan)

    2014-09-21T23:59:59.000Z

    We investigated high-field electroluminescence (EL) in semiconductor tunnel junctions with a Mn-doped GaAs layer (here, referred to as GaAs:Mn). Besides the band-gap emission of GaAs, the EL spectra show visible light emissions with two peaks at 1.94?eV and 2.19?eV, which are caused by d-d transitions of the Mn atoms excited by hot electrons. The threshold voltages for band-gap and visible light EL in the tunnel junctions with a GaAs:Mn electrode are 1.3?V higher than those of GaAs:Mn excited by hot holes in reserve biased p{sup +}-n junctions, which is consistent with the hot carrier transport in the band profiles of these structures. Our EL results at room temperature show that the electron temperature in GaAs:Mn can be as high as ?700?K for a low input electrical power density of 0.4?W/cm{sup 2}, while the lattice temperature of the GaAs:Mn layer can be kept at 340?K.

  3. US public perspectives on security :

    SciTech Connect (OSTI)

    Herron, Kerry Gale; Jenkins-Smith, Hank C.; Silva, Carol L.

    2012-02-01T23:59:59.000Z

    We report findings from a national Internet survey and a subset of questions administered by telephone in mid-2011 on public assessments of contemporary and emerging interstate nuclear threats, support for strategic arms control, and preferences for responding to limited nuclear attacks on the United States. Additionally, we analyze public views of the threat of terrorism, including cyber attacks, assessments of progress in the struggle against terrorism, and preferences for responding to an act of radiological terrorism against the United States. Also, we report findings from an Internet survey and a subset of questions administered by telephone among the American public in mid-2011 on US energy and environmental security. Key areas of investigation include public views on energy requirements, preferences for energy sources, energy conservation versus development, energy independence, implications of events at Fukushima, Japan, for US public support of nuclear generation, preferences for managing used nuclear fuel, and trust in nuclear risk assessments from government and other public sources. Where possible, findings from each survey are compared with previous surveys in this series for analyses of trends.

  4. Structural and magnetic properties of magnetron sputtered Ni-Mn-Sn ferromagnetic shape memory alloy thin films

    SciTech Connect (OSTI)

    Vishnoi, Ritu; Kaur, Davinder [Functional Nanomaterials Research Laboratory, Department of Physics and Center of Nanotechnology, Indian Institute of Technology Roorkee, Roorkee 247667 (India)

    2010-05-15T23:59:59.000Z

    In the present study, structural and magnetic properties of Mn-rich, off-stoichiometric, nanocrystalline Ni-Mn-Sn ferromagnetic shape memory alloy thin films, grown on Si (100) substrates at 550 deg. C by dc magnetron sputtering have been systematically investigated. The crystallization, surface morphology, and structural features were studied using x-ray diffraction, atomic force microscopy, and field emission scanning electron microscopy. The structural transition from austenite to martensite was observed with an increase of Mn content. Austenitic phase with mixed L2{sub 1}/A2+B2 structure has been observed at room temperature in Ni{sub 52.6}Mn{sub 23.7}Sn{sub 23.6} (S{sub 1}) and Ni{sub 51.5}Mn{sub 26.1}Sn{sub 22.2} (S{sub 2}) films, while those with composition of Ni{sub 58.9}Mn{sub 28.0}Sn{sub 13.0} (S{sub 3}) and Ni{sub 58.3}Mn{sub 29.0}Sn{sub 12.6} (S{sub 4}) show martensitic phase with 14M modulated monoclinic structures. Field induced martensite-austenite transformation has been observed in magnetization studies using superconducting quantum interference device magnetometer. Temperature dependent magnetization measurements demonstrate the influence of magnetic field on the structural phase transition temperature. The investigations reveal an increase of martensitic transformation temperature (T{sub M}) with corresponding increase in substitution of Mn. The films exhibit ferromagnetic behavior at low temperatures below Curie temperature (T{sub C}). The decrease in saturation moment with increasing Mn content, indicates the existence of antiferromagnetic correlations within ferromagnetic matrix.

  5. Atomic moments in Mn2CoAl thin films analyzed by X-ray magnetic circular dichroism

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Jamer, M. [Northwestern Univ., Evanston, IL (United States). Dept. of Physics; Sterbinsky, G. [Brookhaven National Laboratory (BNL), Upton, NY (United States). Photon Sciences Directorate; Assaf, B. [Northwestern Univ., Evanston, IL (United States). Dept. of Physics; Arena, D. [Brookhaven National Laboratory (BNL), Upton, NY (United States). Photon Sciences Directorate; Heiman, D. [Northwestern Univ., Evanston, IL (United States). Dept. of Physics

    2014-12-07T23:59:59.000Z

    Spin gapless semiconductors are known to be strongly affected by structural disorder when grown epitaxially as thin films. The magnetic properties of Mn2CoAl thin films grown on GaAs (001) substrates are investigated here as a function of annealing. This study investigates the atomic-specific magnetic moments of Mn and Co atoms measured through X-ray magnetic circular dichroism as a function of annealing and the consequent structural ordering. The results indicate that the structural distortion mainly affects the Mn atoms as seen by the reduction of the magnetic moment from its predicted value. (auth)

  6. Precipitation in cold-rolled Al–Sc–Zr and Al–Mn–Sc–Zr alloys prepared by powder metallurgy

    SciTech Connect (OSTI)

    Vlach, M., E-mail: martin.vlach@mff.cuni.cz [Charles University in Prague, Faculty of Mathematics and Physics, Ke Karlovu 3, CZ-121 16 Prague (Czech Republic); Stulikova, I.; Smola, B.; Kekule, T.; Kudrnova, H.; Danis, S. [Charles University in Prague, Faculty of Mathematics and Physics, Ke Karlovu 3, CZ-121 16 Prague (Czech Republic); Gemma, R. [King Abdullah University of Science and Technology (KAUST), Physical Sciences and Engineering Division, 23955-6900 Thuwal (Saudi Arabia); Ocenasek, V. [SVŚM a.s., Podnikatelskį 565, CZ-190 11 Prague (Czech Republic); Malek, J. [Czech Technical University in Prague, Faculty of Mechanical Engineering, CZ-120 00 Prague (Czech Republic); Tanprayoon, D.; Neubert, V. [Institut für Materialprüfung und Werkstofftechnik, Freiberger Strasse 1, D-38678 Clausthal-Zellerfeld (Germany)

    2013-12-15T23:59:59.000Z

    The effects of cold-rolling on thermal, mechanical and electrical properties, microstructure and recrystallization behaviour of the AlScZr and AlMnScZr alloys prepared by powder metallurgy were studied. The powder was produced by atomising in argon with 1% oxygen and then consolidated by hot extrusion at 350 °C. The electrical resistometry and microhardness together with differential scanning calorimetry measurements were compared with microstructure development observed by transmission and scanning electron microscopy, X-ray diffraction and electron backscatter diffraction. Fine (sub)grain structure developed and fine coherent Al{sub 3}Sc and/or Al{sub 3}(Sc,Zr) particles precipitated during extrusion at 350 °C in the alloys studied. Additional precipitation of the Al{sub 3}Sc and/or Al{sub 3}(Sc,Zr) particles and/or their coarsening was slightly facilitated by the previous cold rolling. The presence of Sc,Zr-containing particles has a significant antirecrystallization effect that prevents recrystallization at temperatures minimally up to 420 °C. The precipitation of the Al{sub 6}Mn- and/or Al{sub 6}(Mn,Fe) particles of a size ? 1.0 ?m at subgrain boundaries has also an essential antirecrystallization effect and totally suppresses recrystallization during 32 h long annealing at 550 °C. The texture development of the alloys seems to be affected by high solid solution strengthening by Mn. The precipitation of the Mn-containing alloy is highly enhanced by a cold rolling. The apparent activation energy of the Al{sub 3}Sc particles formation and/or coarsening and that of the Al{sub 6}Mn and/or Al{sub 6}(Mn,Fe) particle precipitation in the powder and in the compacted alloys were determined. The cold deformation has no effect on the apparent activation energy values of the Al{sub 3}Sc-phase and the Al{sub 6}Mn-phase precipitation. - Highlights: • The Mn, Sc and Zr additions to Al totally suppresses recrystallization at 550 °C. • The Sc,Zr-containing particle precipitation is slightly facilitated by cold rolling. • The Mn-containing particle precipitation is highly enhanced by cold rolling. • Cold rolling has no effect on activation energy of the Al{sub 3}Sc and Al{sub 6}Mn precipitation. • The texture development is affected by high solid solution strengthening by Mn.

  7. Penetration depth and absorption mechanisms of spin currents in Ir{sub 20}Mn{sub 80} and Fe{sub 50}Mn{sub 50} polycrystalline films by ferromagnetic resonance and spin pumping

    SciTech Connect (OSTI)

    Merodio, P.; Ghosh, A.; Lemonias, C.; Gautier, E.; Ebels, U.; Chshiev, M.; Béa, H., E-mail: vincent.baltz@cea.fr, E-mail: helene.bea@cea.fr; Baltz, V., E-mail: vincent.baltz@cea.fr, E-mail: helene.bea@cea.fr [SPINTEC, UMR 8191 CNRS/INAC-CEA/UJF-Grenoble 1/Grenoble-INP, F-38054 Cedex (France); Bailey, W. E., E-mail: web54@columbia.edu [Mat. Sci. and Engn. Program, Department of Appl. Phys. and Appl. Math., Columbia University, New York, New York 10027 (United States)

    2014-01-20T23:59:59.000Z

    Spintronics relies on the spin dependent transport properties of ferromagnets (Fs). Although antiferromagnets (AFs) are used for their magnetic properties only, some fundamental F-spintronics phenomena like spin transfer torque, domain wall motion, and tunnel anisotropic magnetoresistance also occur with AFs, thus making AF-spintronics attractive. Here, room temperature critical depths and absorption mechanisms of spin currents in Ir{sub 20}Mn{sub 80} and Fe{sub 50}Mn{sub 50} are determined by F-resonance and spin pumping. In particular, we find room temperature critical depths originating from different absorption mechanisms: dephasing for Ir{sub 20}Mn{sub 80} and spin flipping for Fe{sub 50}Mn{sub 50}.

  8. Public Policy and Agriculture Dr. Jeff Burkhardt

    E-Print Network [OSTI]

    Hill, Jeffrey E.

    Public Policy and Agriculture Dr. Jeff Burkhardt With Dr. John VanSickle Food & Resource Economics & Agriculture? #12;Why Public Policy for Food & Agriculture? Ā· Economic instability #12;Why Public Policy for Food & Agriculture? Ā· Economic instability Ā· Globalization #12;Why Public Policy for Food & Agriculture

  9. Public Service "The Minor That Matters"

    E-Print Network [OSTI]

    degree. Employees in public service have the opportunity to: vdeliver and manage public programs vaddressMinorThatMatters" TAKEYOURCAR EER IN ANENTIRE LY NEW DIRECTION #12;Public Service...The Minor That Matters Purpose of the Minor designed to provide a solid foundation in public administration and non-profit management, including

  10. Institute of Public Sector Accounting Research

    E-Print Network [OSTI]

    Edinburgh, University of

    THE STATE" New Public Sector Seminar, Edinburgh, 6-7th November 2014 Co-Chairs: Liisa Kurunmaki, Irvine and consultants depend on in the management of public service organisations, and what is the statusInstitute of Public Sector Accounting Research IĀ·PĀ·SĀ·AĀ·R In Government, Public Services

  11. At A Glance Environmental Public Health

    E-Print Network [OSTI]

    and Prevention CDC's Environmental Public Health Tracking Program Grantees TM #12;Framework for the Environmental

  12. Strategic Plan College of Public Health

    E-Print Network [OSTI]

    , sustainability, and transportation: public health aspects of biosolids management and climate change. #12;Page 3

  13. Mn concentration dependent structural and optical properties of a-plane Zn{sub 0.99-x}Mn{sub x}Na{sub 0.01}O

    SciTech Connect (OSTI)

    Lu, B., E-mail: binlu@zju.edu.cn; Zhou, T. T.; Ma, M. J.; Ye, Y. H.; Ye, Z. Z.; Lu, J. G.; Pan, X. H. [State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027 (China)

    2013-12-14T23:59:59.000Z

    Non-polar a-plane (112{sup Æ}0) Zn{sub 0.99?x}Mn{sub x}Na{sub 0.01}O (x?=?0, 0.02, 0.03, 0.04, and 0.05) thin films have been prepared on r-plane (112{sup Æ}0) sapphire substrates by pulsed laser deposition (PLD). The influences of Mn content on the structural and optical properties of the films have been studied. It is indicated that moderate Mn doping facilitates the non-polar growth of ZnO, and all the doped films are single phase with a hexagonal wurtzite structure. The transmittance spectra suggested that all films are transparent in the visible region exhibiting a transmittance above 80%. Mn{sup 2+} doped Zn{sub 0.99}Na{sub 0.01}O shows an initial decrease of optical band gap (OBG) for small concentration of Mn, followed by a monotonic increase. The anomalous decrease in OBG for low concentrations of Mn is attributed to the strong exchange interaction present between the sp electrons of the host matrix and d electrons of Mn. Emission studies were also performed showing suppressed blue-shifted ultraviolet band and dominant violet-blue bands, which might originate from the zinc vacancy (V{sub Zn}) and zinc interstitial (Zn{sub i}) defects. The intensity of defect-related emission peaks is Mn doping-level-dependent as well and the results coincide well with that from the structural analyses.

  14. Electronic structure of the molecule-based magnet MnN,,CN...22 from theory and experiment

    E-Print Network [OSTI]

    Liu, Amy Y.

    of SmCo5 and Nd2Fe14B2.2 For Mn N(CN)2 2, Kurmoo et al.2 report that the structure be- haves as a canted

  15. Synthesis and Lithiation Mechanisms of Dirutile and Rutile LiMnF4: Two New Conversion Cathode Materials

    E-Print Network [OSTI]

    Twu, Nancy H.

    Driven by the need for new cathode battery materials with high energy density, fluorides have emerged as promising candidates due to their high voltages. From high throughput computations, dirutile LiMnF4 was identified ...

  16. Growth optimization and structural analysis for ferromagnetic Mn-doped ZnO layers deposited by radio frequency magnetron sputtering

    SciTech Connect (OSTI)

    Abouzaid, M.; Ruterana, P.; Liu, C.; Morkoc, H. [SIFCOM UMR 6176 CNRS-ENSICAEN, 6 Boulevard du Marechal Juin, 14050 Caen Cedex (France); Department of Electrical Engineering, Virginia Commonwealth University, Richmond Virginia 23284 (United States)

    2006-06-01T23:59:59.000Z

    The effect of the deposition temperature on the crystalline quality of (Zn,Mn)O is investigated in thin films prepared by radio frequency magnetron sputtering on c-plane sapphire and GaN substrates. The layers are made of a 0.5 {mu}m Mn-doped layer towards the surface on top of a 150 nm pure ZnO buffer. Depending on the deposition temperature, the layers can exhibit a columnar structure; the adjacent domains are rotated from one another by 90 deg. , putting [1010] and [1120] directions face to face. At high Mn concentration the columnar structure is blurred by the formation of Mn rich precipitates. Only one variety of domains is observed at an optimal deposition temperature of 500 deg. C: they are slightly rotated around the [0001] axis (mosaic growth) and bounded by threading dislocations.

  17. Chemical synthesis of crystalline, pure or Mn-doped ZnGa2O4 powders at 90 C

    E-Print Network [OSTI]

    Tas, A. Cuneyt

    in a constant-temperature laboratory oven. Single-phase pure or Mn-doped zinc gallate powders synthesized-ray diffraction, scanning electron microscopy, energy-dispersive x-ray spectroscopy, inductively-coupled plasma

  18. Heat capacity of the site-diluted spin dimer system Ba?(Mn1-xVx)?O?

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Samulon, E. C.; Shapiro, M. C.; Fisher, I. R.

    2011-08-01T23:59:59.000Z

    Heat-capacity and susceptibility measurements have been performed on the diluted spin dimer compound Ba?(Mn1-xVx)?O?. The parent compound Ba?Mn?O? is a spin dimer system based on pairs of antiferromagnetically coupled S=1, 3d² Mn?? ions such that the zero-field ground state is a product of singlets. Substitution of nonmagnetic S=0, 3d? V?? ions leads to an interacting network of unpaired Mn moments, the low-temperature properties of which are explored in the limit of small concentrations 0?x?0.05. The zero-field heat capacity of this diluted system reveals a progressive removal of magnetic entropy over an extended range of temperatures, with no evidence for a phase transition. The concentration dependence does not conform to expectations for a spin-glass state. Rather, the data suggest a low-temperature random singlet phase, reflecting the hierarchy of exchange energies found in this system.

  19. Anti-site disorder and improved functionality of Mn?NiX (X = Al, Ga, In, Sn) inverse Heusler alloys

    SciTech Connect (OSTI)

    Paul, Souvik; Kundu, Ashis; Ghosh, Subhradip, E-mail: subhra@iitg.ernet.in [Department of Physics, Indian Institute of Technology Guwahati, Guwahati, Assam 781039 (India); Sanyal, Biplab [Department of Physics and Astronomy, Uppsala University, Box 516, 75120 Uppsala (Sweden)

    2014-10-07T23:59:59.000Z

    Recent first-principles calculations have predicted Mn?NiX (X = Al, Ga, In, Sn) alloys to be magnetic shape memory alloys. Moreover, experiments on Mn?NiGa and Mn?NiSn suggest that the alloys deviate from the perfect inverse Heusler arrangement and that there is chemical disorder at the sublattices with tetrahedral symmetry. In this work, we investigate the effects of such chemical disorder on phase stabilities and magnetic properties using first-principles electronic structure methods. We find that except Mn?NiAl, all other alloys show signatures of martensitic transformations in presence of anti-site disorder at the sublattices with tetrahedral symmetry. This improves the possibilities of realizing martensitic transformations at relatively low fields and the possibilities of obtaining significantly large inverse magneto-caloric effects, in comparison to perfect inverse Heusler arrangement of atoms. We analyze the origin of such improvements in functional properties by investigating electronic structures and magnetic exchange interactions.

  20. The Design and Feasibility of a 10 mN Chemical Space Propulsion Alexander Bruccoleri , Paulo Lozano

    E-Print Network [OSTI]

    , Paulo Lozano June 2009 SSL # 3-09 #12;#12;The Design and Feasibility of a 10 mN Chemical Space Propulsion Thruster Alexander Bruccoleri , Paulo Lozano June 2009 SSL # 3-09 This work is based

  1. Nmr Study of Thiocarbonyl Derivatives of Fe and Mn were made with solutions of the tungsten and molybdenum species

    E-Print Network [OSTI]

    Bodner, George M.

    Nmr Study of Thiocarbonyl Derivatives of Fe and Mn were made with solutions of the tungsten.g.. the tungsten ion readily oxidizes in aqueous acid [A. Samotus and B. Kosowicz-Czajkowska, Rocz. Chem., 45, 1623

  2. Argonne National Laboratory 1986 publications

    SciTech Connect (OSTI)

    Kopta, J.A.; Springer, C.J.

    1987-12-01T23:59:59.000Z

    This report is a bibliography of scientific and technical 1986 publications of Argonne National Laboratory. Some are ANL contributions to outside organizations' reports published in 1986. This compilation, prepared by the Technical Information Services Technical Publications Section (TPS), lists all nonrestricted 1986 publications submitted to TPS by the Laboratory's Divisions. Author indexes list ANL authors only. If a first author is not an ANL employee, an asterisk in the bibliographic citation indicates the first ANL author. The report is divided into seven parts: Journal Articles -- Listed by first author; ANL Reports -- Listed by report number; ANL and non-ANL Unnumbered Reports -- Listed by report number; Non-ANL Numbered Reports -- Listed by report number; Books and Book Chapters -- Listed by first author; Conference Papers -- Listed by first author; and Complete Author Index.

  3. Publications of LASL research, 1979

    SciTech Connect (OSTI)

    Willis, J.K.; Salazar, C.A. (comps.)

    1980-11-01T23:59:59.000Z

    This bibliography is a compilation of unclassified publications of work done at the Los Alamos Scientific Laboratory for 1979. Papers published in 1979 are included regardless of when they were actually written. Declassification of previously classified reports is considered to constitute publication. All classified issuances are omitted. If a paper was published more than once, all places of publication are included. The bibliography includes Los Alamos Scientific Laboratory reports, papers released as non-LASL reports, journal articles, books, chapters of books, conference papers (whether published separately or as part of conference proceedings issued as books or reports), papers published in congressional hearings, theses, and US patents. The entries are arranged in sections by broad subject categories. (RWR)

  4. Coulomb interaction of acceptors in Cd{sub 1?x}Mn{sub x}Te/CdTe quantum dot

    SciTech Connect (OSTI)

    Kalpana, P.; Nithiananthi, P., E-mail: kjkumar-gri@rediffmail.com; Jayakumar, K., E-mail: kjkumar-gri@rediffmail.com [Department of Physics, Gandhigram Rural University, Gandhigram-624302, TamilNadu (India); Reuben, A. Merwyn Jasper D. [Department of Physics, School of Engineering, Saveetha University, Thandalam, Chennai- 600104, TamilNadu (India)

    2014-04-24T23:59:59.000Z

    The investigation on the effect of confining potential like isotropic harmonic oscillator type potential on the binding and the Coulomb interaction energy of the double acceptors in the presence of magnetic field in a Cd{sub 1?x}Mn{sub x}Te/CdTe Spherical Quantum Dot has been made for the Mn ion composition x=0.3 and compared with the results obtained from the square well type potential using variational procedure in the effective mass approximation.

  5. Spectroscopic and magnetic properties of Mn doped GaN epitaxial films grown by plasma assisted molecular beam epitaxy

    SciTech Connect (OSTI)

    Vidyasagar, R., E-mail: dr.vidyasagar1979@gmail.com [Department of Physics and Centre for Nanoscience and Nanotechnology, National Sun-Yat Sen University, Kaohsiung 80424, Taiwan, ROC (China); Lin, Y.-T.; Tu, L.-W. [Department of Physics and Centre for Nanoscience and Nanotechnology, National Sun-Yat Sen University, Kaohsiung 80424, Taiwan, ROC (China)] [Department of Physics and Centre for Nanoscience and Nanotechnology, National Sun-Yat Sen University, Kaohsiung 80424, Taiwan, ROC (China)

    2012-12-15T23:59:59.000Z

    Graphical abstract: We report here that micro-Raman scattering spectrum for Mn doped GaN thin film has displayed a new peak manifested at 578 cm{sup ?1}, by which it is attributed to interior LVM originated by the incorporation of Mn ions in place of Ga sites. Mn doped GaN thin film also showed the typical negative magnetoresistance up to ?50 K, revealing that the film showed magnetic ordering of spins below 50 K. Display Omitted Highlights: ? GaN and Mn doped GaN single phase wurtzite structures grown by PAMBE. ? The phase purity of the epilayers investigated by HRXRD, HRSEM and EDX. ? The red shift in near band edge emission has been observed using micro-PL. ? A new peak related LVM at 578 cm{sup ?1} in micro-Raman scattering measurements confirmed Mn doped into GaN. ? Negative-magnetoresistance investigations have showed that the film has T{sub c} < 50 K. -- Abstract: Spectroscopic and magnetic properties of Mn doped GaN, and GaN epitaxial films have been investigated by employing micro-photoluminescence, micro-Raman, and temperature dependent magneto-resistance measurements. The HR-XRD profiles have shown that the epitaxial films are in hexagonal wurtzite structures. Morphology and composition of the films have been examined by field emission scanning electron microscopy, and energy-dispersive X-ray analysis. Micro-photoluminescence spectrum displayed a dominant near band edge emission at 362 nm, which is assigned to near band edge transition within the hexagonal structure of GaN. Raman scattering profiles showed a new vibrational mode at 578 cm{sup ?1}, which is attributed to the vacancy-related local vibrational mode of Mn occupying the Ga site. Temperature dependent negative magnetoresistance measurements provide a direct evidence of magnetic ordering below 50 K for the Mn doped GaN thin film.

  6. Prospects for high temperature ferromagnetism in (Ga,Mn)As semiconductors

    E-Print Network [OSTI]

    Jungwirth, T.; Wang, KY; Masek, J.; Edmonds, KW; Konig, J.; Sinova, Jairo; Polini, M.; Goncharuk, NA; MacDonald, AH; Sawicki, M.; Rushforth, AW; Campion, RP; Zhao, LX; Foxon, CT; Gallagher, BL.

    2005-01-01T23:59:59.000Z

    . DOI: 10.1103/PhysRevB.72.165204 PACS number#1;s#2;: 75.50.Pp, 75.30.Gw, 73.61.Ey I. INTRODUCTION After some frustration in the community caused by the difficulties encountered in overcoming the apparent Curie temperature limit in #1;Ga,Mn#2;As...Prospects for high temperature ferromagnetism in (Ga,Mn)As semiconductors T. Jungwirth,1,2 K. Y. Wang,2 J. Ma?ek,3 K. W. Edmonds,2 J?rgen K?nig, 4 Jairo Sinova,5 M. Polini,6 N. A. Goncharuk,1 A. H. MacDonald,7 M. Sawicki,8 A. W. Rushforth,2 R. P...

  7. Structural, elastic, electronic, magnetic and vibrational properties of CuCoMnGa under pressure

    SciTech Connect (OSTI)

    ?yigör, Ahmet [Central Research and Practice Laboratory (AH?LAB), AhiEvran University, 40100 K?r?ehir (Turkey); U?ur, ?ule [Department of Physics, Faculty of Science, Gazi University, 06500 Ankara (Turkey)

    2014-10-06T23:59:59.000Z

    First principles calculations for the structural, electronic, elastic and phonon properties of the cubic quaternary heusler alloy CuCoMnGa on pressure have been reported by density functional theory (DFT) within generalized gradient approximation (GGA). The calculated values of the elastic constants were used for estimations of the Debye temperatures, the bulk modulus, the shear modulus, the young modulus E, the poisson's ratio ? and the B/G ratio. The elastic constants satisfy all of the mechanical stability criteria. The electronic structures of the ferromagnetic configuration for CuCoMnGa have a metallic character. The estimated magnetic moment per formula unit is 3.76 ?{sub B}. The phonon dispersion is studied using the supercell approach, and the stable nature at 0.2 GPa pressure is observed.

  8. MnBi particles with high energy density made by spark erosion

    SciTech Connect (OSTI)

    Nguyen, Phi-Khanh, E-mail: phi@ucsd.edu; Jin, Sungho [Materials Science and Engineering, University of California, San Diego, La Jolla, California 92093 (United States); Center for Magnetic Recording Research, University of California, San Diego, La Jolla, California 92093 (United States); Berkowitz, Ami E. [Physics Department, University of California, San Diego, La Jolla, California 92093 (United States); Center for Magnetic Recording Research, University of California, San Diego, La Jolla, California 92093 (United States)

    2014-05-07T23:59:59.000Z

    We report on the properties of low-temperature phase (LTP)-MnBi particles produced by the rapid-quenching technique of spark-erosion. The as-prepared powder consists of amorphous, crystalline, and superparamagnetic particles, mostly as porous aggregates. The major fraction of the powder consists of 20–30?nm particles. A short anneal crystallizes the amorphous particles producing a high moment, >90% of theoretical M{sub S}, albeit with H{sub C} of a few kOe. If lightly milled, the agglomerates are broken up to yield H{sub C} of 1?T. These findings are supported by the x-ray diffraction pattern showing broadened peaks of the predominant LTP-MnBi phase. The combination of spark erosion, milling, and annealing has produced randomly oriented particles with (BH){sub MAX}???3.0 MGOe. The particles are expected to show record energy product when aligned along their crystallographic easy axes.

  9. Magneto-optical spectroscopy of ferromagnetic shape-memory Ni-Mn-Ga alloy

    SciTech Connect (OSTI)

    Veis, M., E-mail: veis@karlov.mff.cuni.cz; Beran, L.; Zahradnik, M.; Antos, R. [Faculty of Mathematics and Physics, Charles University in Prague, Ke Karlovu 5, 12116 Prague (Czech Republic); Straka, L. [Aalto University School of Engineering, PL14200, FIN-00076 Aalto (Finland); Kopecek, J.; Fekete, L.; Heczko, O. [Institute of Physics, ASCR, Na Slovance 2, 182 21 Prague (Czech Republic)

    2014-05-07T23:59:59.000Z

    Magneto-optical properties of single crystal of Ni{sub 50.1}Mn{sub 28.4}Ga{sub 21.5} magnetic shape memory alloy in martensite and austenite phase were systematically studied. Crystal orientation was approximately along (100) planes of parent cubic austenite. At room temperature, the sample was in modulated 10M martensite phase and transformed to cubic austenite at 323?K. Spectral dependence of polar magneto-optical Kerr effect was obtained by generalized magneto-optical ellipsometry with rotating analyzer in the photon energy range from 1.2 to 4?eV, and from room temperature to temperature above the Curie point. The Kerr rotation spectra exhibit prominent features typical for complexes containing Mn atoms. Significant spectral changes during transformation to austenite can be explained by different optical properties caused by changes in density of states near the Fermi energy.

  10. Abundance analysis of SB2 binary stars with HgMn primaries

    E-Print Network [OSTI]

    T. Ryabchikova

    1998-05-06T23:59:59.000Z

    We present a short review of the abundances in the atmospheres of SB2 systems with Mercury-Manganese (HgMn) primaries. Up to now a careful study has been made for both components of 8 out of 17 known SB2 binaries with orbital periods shorter than 100 days and mass ratio ranging from 1.08 to 2.2. For all eight systems we observe a lower Mn abundance in the secondary's atmospheres than in the primary's. Significant difference in the abundances is also found for some peculiar elements such as Ga, Xe, Pt. All secondary stars with effective temperatures less than 10000 K show abundance characteristics typical of the metallic-line stars.

  11. Three very young HgMn stars in the Orion OB1 Association

    E-Print Network [OSTI]

    Vincent M. Woolf; David L. Lambert

    1999-05-18T23:59:59.000Z

    We report the detection of three mercury-manganese stars in the Orion OB1 association. HD 37886 and BD-0 984 are in the approximately 1.7 million year old Orion OB1b. HD 37492 is in the approximately 4.6 million year old Orion OB1c. Orion OB1b is now the youngest cluster with known HgMn star members. This places an observational upper limit on the time scale needed to produce the chemical peculiarities seen in mercury-manganese stars, which should help in the search for the cause or causes of the peculiar abundances in HgMn and other chemically peculiar upper main sequence stars.

  12. Magnetochromic effect in multiferroic R In 1 ? x Mn x O 3 ( R = Tb , Dy)

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Chen, P.; Holinsworth, B. S.; O'Neal, K. R.; Brinzari, T. V.; Mazumdar, D.; Topping, C. V.; Luo, X.; Cheong, S.-W.; Singleton, J.; McGill, S.; Musfeldt, J. L.

    2015-05-01T23:59:59.000Z

    We combined high field magnetization and magneto-optical spectroscopy to investigate spin-charge coupling in Mn-substituted rare-earth indium oxides of chemical formula RIn??xMnxO? (R=Tb, Dy). The edge states, on-site Mn³?d to d excitations, and rare-earth f-manifold excitations all track the magnetization energy due to dominant Zeeman interactions. The field-induced modifications to the rare-earth excitations are quite large because spin-orbit coupling naturally mixes spin and charge, suggesting that the next logical step in the design strategy should be to bring spin-orbit coupling onto the trigonal bipyramidal chromophore site with a 4 or 5d center.

  13. Preparation and Magnetic Properties of MnBi-based Hard/Soft Composite Magnets

    SciTech Connect (OSTI)

    Ma, Yilong; Liu, Xubo; Gandha, Kinjal; Vuong, Nguyen V.; Yang, Y. B.; Yang, Jinbo; Poudyal, Narayan; Cui, Jun; Liu, J.Ping

    2014-05-07T23:59:59.000Z

    Bulk anisotropic composite magnets based on MnBi/Co(Fe) exhibiting the different morphology of the soft magnetic phase were prepared by powder metallurgy processing. First, single-phase MnBi bulk magnets were produced using a maximum energy product [(BH)m] of 6.3 MGOe at room temperature. The nanoscale soft phase with the different morphology was then added to form a composite magnet. It was observed that addition of magnetic soft-phase nanoparticles and nanoflakes causes a dramatic coercivity reduction. However, the addition of soft magnetic phase nanowires enhanced the composite magnetization without sacrificing the coercivity. Nevertheless, a kink was still observed on the demagnetization curves and the coercivity decreased when the soft-phase content was larger than 10 wt. %, which was caused by the agglomeration of the soft phase nanowires that also led to a decreased degree of texture.

  14. High capacitive performance of nanostructured Mn-Ni-Co oxide composites for supercapacitor

    SciTech Connect (OSTI)

    Luo Jianmin [Institute of Applied Chemistry, Xinjiang University, Urumqi 830046 (China); Gao Bo [College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016 (China); Zhang Xiaogang [College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016 (China)], E-mail: azhangxg@163.com

    2008-05-06T23:59:59.000Z

    Nanostructured Mn-Ni-Co oxide composites (MNCO) were prepared by thermal decomposition of the precursor obtained by chemical co-precipitation of Mn, Ni and Co salts. The chemical composition and morphology were characterized by X-ray diffraction (XRD), energy dispersive spectroscopy (EDS) and scanning electron microscopy (SEM). The electrochemical capacitance of MNCO electrode was examined by cyclic voltammetry, impedance and galvanostatic charge-discharge measurements. The results showed that MNCO electrode exhibited the good electrochemical characteristics. A maximum capacitance value of 1260 F g{sup -1} could be obtained within the potential range of -0.1 to 0.4 V versus saturated calomel electrode (SCE) in 6 mol L{sup -1} KOH electrolyte.

  15. Master of Public Health Department of Public Health Sciences, SOM

    E-Print Network [OSTI]

    Leistikow, Bruce N.

    Davis School of Medicine (2014) Professional Interest: General public health Graduate Advisor: Marlene M. von Friederichs-Fitzwater, MS, PhD, MPH Entry year: 2012 Background/Interest: Vincent's interest or one similar to it. In his experience working with rural physicians, Vincent learned that rural

  16. PDAs and Shared Public Displays: Making Personal Information Public,

    E-Print Network [OSTI]

    Greenberg, Saul

    computers, where each device affords quite different personal and public acts. Norman [1,p53] defines devices containing specialised personal informa- tion, while single display groupware are highlypub- lic these two quite different devices. In essence, the problem is how people move their personal artefacts

  17. Publications, 1977 through 1980. [Bibliography

    SciTech Connect (OSTI)

    Hilborn, H.S. (comp.)

    1981-04-01T23:59:59.000Z

    This is a compilation of documents that communicate the results of scientific and technical work done at Savannah River. The compilation includes those documents that have been published (research and development reports, journal articles, book chapters, etc.), and documents that have been announced in Energy Research Abstracts. Where applicable the meeting at which the paper was presented is given. The information was compiled by machine methods to produce bibliographic, subject, and author listings. This report updates the information included in DP-929, Rev. 2, Publications, 1951 through 1971 and DP-929-1, Publications, 1972 through 1976, and replaces DP-929-1, Supplement 3.

  18. TNG publications 1989-2005

    E-Print Network [OSTI]

    W. Boschin

    2006-04-12T23:59:59.000Z

    This document lists a set of (refereed and unrefereed) scientific publications based on data taken with the instruments of the Italian Telescopio Nazionale Galileo (TNG, mainly from the year 2000 onward) and the technical papers describing the development of the TNG project from the "phase A" (late '80s) until the end of year 2005. The collection is compiled by searching for publications on the internet. In particular, the search engines of the NASA Astrophysics Data System and Google Scholar are used. This work represents the first attempt to probe the scientific production of the TNG and will be updated regularly from year to year. Comments and suggestions are welcome.

  19. Publications List for Art Nozik

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeedingTechnical News,Program90803|PublicationsNozik Publications List Page

  20. Publications | Energy Frontier Research Centers

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeedingTechnical News,Program90803|PublicationsNozik PublicationsHome By

  1. Publications | Energy Frontier Research Centers

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeedingTechnical News,Program90803|PublicationsNozik PublicationsHome

  2. Homogeneity testing and quantitative analysis of manganese (Mn) in vitrified Mn-doped glasses by laser-induced breakdown spectroscopy (LIBS)

    SciTech Connect (OSTI)

    Unnikrishnan, V. K.; Nayak, Rajesh; Kartha, V. B.; Santhosh, C., E-mail: santhosh.cls@manipal.edu, E-mail: unnikrishnan.vk@manipal.edu [Department of Atomic and Molecular Physics, Manipal University, Manipal (India); Sonavane, M. S. [Nuclear Recycle Board, Bhabha Atomic Research Centre, Mumbai (India); Yeotikar, R. G. [Process Development Division, Bhabha Atomic Research Centre, Mumbai (India); Shah, M. L.; Gupta, G. P.; Suri, B. M. [Laser and Plasma Technology Division, Bhabha Atomic Research Centre, Mumbai (India)

    2014-09-15T23:59:59.000Z

    Laser-induced breakdown spectroscopy (LIBS), an atomic emission spectroscopy method, has rapidly grown as one of the best elemental analysis techniques over the past two decades. Homogeneity testing and quantitative analysis of manganese (Mn) in manganese-doped glasses have been carried out using an optimized LIBS system employing a nanosecond ultraviolet Nd:YAG laser as the source of excitation. The glass samples have been prepared using conventional vitrification methods. The laser pulse irradiance on the surface of the glass samples placed in air at atmospheric pressure was about 1.7×10{sup 9} W/cm{sup 2}. The spatially integrated plasma emission was collected and imaged on to the spectrograph slit using an optical-fiber-based collection system. Homogeneity was checked by recording LIBS spectra from different sites on the sample surface and analyzing the elemental emission intensities for concentration determination. Validation of the observed LIBS results was done by comparison with scanning electron microscope- energy dispersive X-ray spectroscopy (SEM-EDX) surface elemental mapping. The analytical performance of the LIBS system has been evaluated through the correlation of the LIBS determined concentrations of Mn with its certified values. The results are found to be in very good agreement with the certified concentrations.

  3. Thermoelectric study of crossroads material MnTe via sulfur doping

    SciTech Connect (OSTI)

    Xie, Wenjie, E-mail: xie@imw.uni-stuttgart.de; Populoh, Sascha; Sagarna, Leyre; Trottmann, Matthias [Empa–Swiss Federal Laboratories for Materials Science and Technology, Solid State Chemistry and Catalysis, Uberlandstrasse 129, CH-8600 Dübendorf (Switzerland); Ga??zka, Krzysztof [Empa–Swiss Federal Laboratories for Materials Science and Technology, Solid State Chemistry and Catalysis, Uberlandstrasse 129, CH-8600 Dübendorf (Switzerland); Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, CH-3012 Bern (Switzerland); Xiao, Xingxing [Institute for Materials Science, University of Stuttgart, DE-70569 Stuttgart (Germany); Liu, Yufei; He, Jian [Department of Physics and Astronomy, Clemson University, Clemson, South Carolina 29634-0978 (United States); Weidenkaff, Anke [Empa–Swiss Federal Laboratories for Materials Science and Technology, Solid State Chemistry and Catalysis, Uberlandstrasse 129, CH-8600 Dübendorf (Switzerland); Institute for Materials Science, University of Stuttgart, DE-70569 Stuttgart (Germany)

    2014-03-14T23:59:59.000Z

    Here, we report thermoelectric study of crossroads material MnTe via iso-electronic doping S on the Te-site. MnTe{sub 1-x}S{sub x} samples with nominal S content of x?=?0.00, 0.05, and 0.10 were prepared using a melt-quench method followed by pulverization and spark plasma sintering. The X-ray powder diffraction, scanning electron microscopy, and ZAF-corrected compositional analysis confirmed that S uniformly substitutes Te up to slightly over 2%. A higher content of S in the starting materials led to the formation of secondary phases. The thermoelectric properties of MnTe{sub 1-x}S{sub x} samples were characterized by means of Seebeck coefficient, electrical conductivity, and thermal conductivity measurements from 300?K to 773?K. Furthermore, Hall coefficient measurements and a single parabolic band model were used to help gain insights on the effects of S-doping on the scattering mechanism and the carrier effective mass. As expected, S doping not only introduced hole charge carriers but also created short-range defects that effectively scatter heat-carrying phonons at elevated temperatures. On the other hand, we found that S doping degraded the effective mass. As a result, the ZT of MnTe{sub 0.9}S{sub 0.1} was substantially enhanced over the pristine sample near 400?K, while the improvement of ZT became marginal at elevated temperatures. A ZT???0.65 at 773?K was obtained in all three samples.

  4. Magnetostructure of MnAs on GaAs revisited E. Bauer,1,2

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    introduced a model in which the crystal changed from a high spin state in the phase to a low spin state change during the phase transition is connected with a change of the sign of the exchange constant via material. hal-00193844,version1-4Dec2007 #12;3 FIG. 1. Structure of MnAs. (a) Hexagonal phase (NiAs type

  5. Solar DEM Models : A solar image in color band b, mn pixels,

    E-Print Network [OSTI]

    Wolfe, Patrick J.

    Solar DEM Models : A solar image in color band b, m×n pixels, containing a particular solar feature, for t = 1, 2, . . . , T. btM sianFieldRandomGaus I M I I bbb T t bbtt bbb bb 2 1 2 )( #12;Solar DEM.bI : the measure error of the ith row and jth column pixel of the certain image in color band b. ijbe #12;Solar DEM

  6. Magnetism in La?O?(Fe??xMnx)?Se? tuned by Fe/Mn ratio

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Lei, Hechang; Bozin, Emil S.; Llobet, A.; Ivanovski, V.; Koteski, V.; Belosevic-Cavor, J.; Cekic, B.; Petrovic, C.

    2012-09-01T23:59:59.000Z

    We report the evolution of structural and magnetic properties in La?O?(Fe??xMnx)?Se?. Heat capacity and bulk magnetization indicate an increased ferromagnetic component of the long-range magnetic order and possible increased degree of frustration. Atomic disorder on Fe(Mn) sites suppresses the temperature of the long-range order whereas intermediate alloys show a rich magnetic phase diagram.

  7. Epitaxial {tau} phase MnAl thin films on MgO (001) with thickness-dependent magnetic anisotropy

    SciTech Connect (OSTI)

    Cui Yishen; Chen Wei [Department of Physics, University of Virginia, Charlottesville, Virginia 22904 (United States); Yin Wenjing; Lu Jiwei [Department of Materials Science and Engineering, University of Virginia, Charlottesville, Virginia 22904 (United States); Wolf, Stuart A. [Department of Physics, University of Virginia, Charlottesville, Virginia 22904 (United States); Department of Materials Science and Engineering, University of Virginia, Charlottesville, Virginia 22904 (United States)

    2011-11-15T23:59:59.000Z

    In this study, ferromagnetic MnAl films were prepared by alternating Al/Mn quasi-monolayer deposition using a novel biased target ion beam deposition (BTIBD) technique. XRD results showed that the magnetic {tau} phase was well formed in MnAl thin films ({approx}10 nm), which grew epitaxially on single crystal MgO (001) substrates. The optimized saturation magnetization was {approx}394 emu/cc. Furthermore, we observed a thickness-dependent uniaxial anisotropy in ferromagnetic MnAl films, which was attributed to the change of the tetragonal lattice distortion as a function of film thickness. The relationship between the film thicknesses and saturation magnetizations suggested the existence of a magnetically dead layer {approx}2.7 nm with an extrapolated saturation moment around 523 emu/cc ({approx}1.90 {mu}{sub B}/Mn). This value has exceeded the experimental value in bulk materials and is close to the theoretically predicted magnetization ({approx}1.975 {mu}{sub B}/Mn).

  8. First-principles calculations of the electronic, vibrational, and elastic properties of the magnetic laminate Mn?GaC

    SciTech Connect (OSTI)

    Thore, A., E-mail: andth@ifm.liu.se; Dahlqvist, M., E-mail: madah@ifm.liu.se, E-mail: bjoal@ifm.liu.se, E-mail: johro@ifm.liu.se; Alling, B., E-mail: madah@ifm.liu.se, E-mail: bjoal@ifm.liu.se, E-mail: johro@ifm.liu.se; Rosén, J., E-mail: madah@ifm.liu.se, E-mail: bjoal@ifm.liu.se, E-mail: johro@ifm.liu.se [Thin Film Physics Division, Department of Physics, Chemistry, and Biology, Linköping University, SE-581 83 Linköping (Sweden)

    2014-09-14T23:59:59.000Z

    In this paper, we report the by first-principles predicted properties of the recently discovered magnetic MAX phase Mn?GaC. The electronic band structure and vibrational dispersion relation, as well as the electronic and vibrational density of states, have been calculated. The band structure close to the Fermi level indicates anisotropy with respect to electrical conductivity, while the distribution of the electronic and vibrational states for both Mn and Ga depend on the chosen relative orientation of the Mn spins across the Ga sheets in the Mn–Ga–Mn trilayers. In addition, the elastic properties have been calculated, and from the five elastic constants, the Voigt bulk modulus is determined to be 157?GPa, the Voigt shear modulus 93?GPa, and the Young's modulus 233?GPa. Furthermore, Mn?GaC is found relatively elastically isotropic, with a compression anisotropy factor of 0.97, and shear anisotropy factors of 0.9 and 1, respectively. The Poisson's ratio is 0.25. Evaluated elastic properties are compared to theoretical and experimental results for M?AC phases where M?=?Ti, V, Cr, Zr, Nb, Ta, and A?=?Al, S, Ge, In, Sn.

  9. Mn$_3$O$_4$(001) film growth on Ag(001) - a systematic study using NEXAFS, STM, and LEED

    E-Print Network [OSTI]

    Gillmeister, Konrad; Shantyr, Roman; Trautmann, Martin; Meinel, Klaus; Chassé, Angelika; Schindler, Karl-Michael; Neddermeyer, Henning; Widdra, Wolf

    2015-01-01T23:59:59.000Z

    The film growth of Mn$_3$O$_4$(001) films on Ag(001) up to film thicknesses of almost seven unit cells of Mn$_3$O$_4$ has been monitored using a complementary combination of near-edge X-ray absorption fine structure spectroscopy (NEXAFS), scanning tunneling microscopy (STM), and low-energy electron diffraction (LEED). The oxide films have been prepared by molecular beam epitaxy. Using NEXAFS, the identity of the Mn oxide has clearly been determined as Mn$_3$O$_4$. For the initial stages of growth, oxide islands with p(2$\\times$1) and p(2$\\times$2) structures are formed, which are embedded into the substrate. For Mn$_3$O$_4$ coverages up to 1.5 unit cells a p(2$\\times$1) structure of the films is visible in STM and LEED. Further increase of the thickness leads to a phase transition of the oxide films resulting in an additional c(2$\\times$2) structure with a 45$^\\circ$ rotated atomic pattern. The emerging film structures are discussed on the basis of a sublayer model of the Mn$_3$O$_4$ spinel unit cell. While t...

  10. Strain-induced modification in the magnetic properties of Mn{sub 5}Ge{sub 3} thin films

    SciTech Connect (OSTI)

    Dung, Dang Duc [Department of Physics and EHSRC, University of Ulsan, Ulsan 680-749 (Korea, Republic of) [Department of Physics and EHSRC, University of Ulsan, Ulsan 680-749 (Korea, Republic of); Department of General Physics, School of Engineering Physics, Hanoi University of Science and Technology, 1 Dai Co Viet Road, Hanoi (Viet Nam); Odkhuu, Dorj; Cheol Hong, Soon; Cho, Sunglae [Department of Physics and EHSRC, University of Ulsan, Ulsan 680-749 (Korea, Republic of)] [Department of Physics and EHSRC, University of Ulsan, Ulsan 680-749 (Korea, Republic of); Thanh Vinh, Le [Aix Marseille Université, CNRS, CINaM-UMR 7325, 13288 Marseille (France)] [Aix Marseille Université, CNRS, CINaM-UMR 7325, 13288 Marseille (France)

    2013-08-21T23:59:59.000Z

    Epitaxial ferromagnetic Mn{sub 5}Ge{sub 3} thin films were stabilized on GaSb(001) and GaAs(001) substrates using molecular beam epitaxy. Compared to bulk Mn{sub 5}Ge{sub 3} materials, an enhancement of the Curie temperature above 350 K and about 320 K was observed for Mn{sub 5}Ge{sub 3}/GaAs(001) and Mn{sub 5}Ge{sub 3}/GaSb(001) heterostructures, respectively. The magnetization was found to decrease from 323 to 245 emu/cm{sup 3} for films grown on GaSb(001) and GaAs(001). Anomalous Hall effect measurements provide evidence of the strain-induced large spin polarization from density-functional study. Furthermore, our calculated results in bulk Mn{sub 5}Ge{sub 3} under strain indicate that the strain is the origin of different physical properties of Mn{sub 5}Ge{sub 3} grown on different substrates.

  11. Preparation and characterization of nanostructured NiO/MnO{sub 2} composite electrode for electrochemical supercapacitors

    SciTech Connect (OSTI)

    Liu Enhui [College of Chemistry, Xiangtan University, Hunan 411105 (China)], E-mail: liuenhui99@sina.com.cn; Li Wen; Li Jian; Meng Xiangyun; Ding Rui; Tan Songting [College of Chemistry, Xiangtan University, Hunan 411105 (China)

    2009-05-06T23:59:59.000Z

    Nanostructured nickel-manganese oxides composite was prepared by the sol-gel and the chemistry deposition combination new route. The surface morphology and structure of the composite were characterized by scanning electron microscope and X-ray diffraction. The as-synthesized NiO/MnO{sub 2} samples exhibit higher surface area of 130-190 m{sup 2} g{sup -1}. Cyclic voltammetry and galvanostatic charge/discharge measurements were applied to investigate the electrochemical performance of the composite electrodes with different ratios of NiO/MnO{sub 2}. When the mass ratio of MnO{sub 2} and NiO in composite material is 80:20, the specific capacitance value of NiO/MnO{sub 2} calculated from the cyclic voltammetry curves is 453 F g{sup -1}, for pure NiO and MnO{sub 2} are 209, 330 F g{sup -1} in 6 mol L{sup -1} KOH electrolyte and at scan rate of 10 mV s{sup -1}, respectively. The specific capacitance of NiO/MnO{sub 2} electrode is much larger than that of each pristine component. Moreover, the composite electrodes showed high power density and stable electrochemical properties.

  12. Magnetic anisotropy barrier for spin tunneling in Mn{sub 12}O{sub 12} molecules

    SciTech Connect (OSTI)

    Pederson, M.R. [Center for Computational Materials Science--6392, Naval Research Laboratory, Washington, D.C. 20375-5000 (United States)] [Center for Computational Materials Science--6392, Naval Research Laboratory, Washington, D.C. 20375-5000 (United States); Khanna, S.N. [Department of Physics, Virginia Commonwealth University, Richmond, Virginia 23284-2000 (United States)] [Department of Physics, Virginia Commonwealth University, Richmond, Virginia 23284-2000 (United States)

    1999-10-01T23:59:59.000Z

    Electronic structure calculations on the nature of electronic states and the magnetic coupling in Mn-acetate [Mn{sub 12}O{sub 12}(RCOO){sub 16}(H{sub 2}O){sub 4}] molecules have been been carried out within the generalized gradient approximation to the density functional formalism. Our studies on this 100-atom molecule illustrate the role of the nonmagnetic carboxyl host in stabilizing the ferrimagnetic Mn{sub 12}O{sub 12} core and provide estimates of the local magnetic moment at the various sites. We provide a first density-functional-based prediction of the second-order magnetic anisotropy energy of this system. Results are in excellent agreement with experiment. To perform these calculations we introduce a simplified exact method for spin-orbit coupling and magnetic anisotropy energies in multicenter systems. This method is free of shape approximations and has other advantages as well. First, it is valid for periodic boundary conditions or finite systems and is independent of basis set choice. Second, the method does not require the calculation of electric field. Third, for applications to systems with a finite energy gap between occupied and unoccupied electronic states, a perturbative expansion allows for a simple determination of the magnetic anisotropy energy. {copyright} {ital 1999} {ital The American Physical Society}

  13. Carriers-mediated ferromagnetic enhancement in Al-doped ZnMnO dilute magnetic semiconductors

    SciTech Connect (OSTI)

    Saleem, Murtaza [Centre of Excellence in Solid State Physics, University of the Punjab, Lahore-54590 (Pakistan); Siddiqi, Saadat A. [Centre of Excellence in Solid State Physics, University of the Punjab, Lahore-54590 (Pakistan); Interdisciplinary Research Centre in Biomedical Materials (IRCBM), COMSATS Institute of Information Technology, Defence Road, Off Raiwind Road, Lahore (Pakistan); Atiq, Shahid, E-mail: shahidatiqpasrur@yahoo.com [Centre of Excellence in Solid State Physics, University of the Punjab, Lahore-54590 (Pakistan); Anwar, M. Sabieh; Hussain, Irshad [School of Science and Engineering (SSE), Lahore University of Management Sciences (LUMS), Opposite Sector U, D.H.A. Lahore Cantt-54792 (Pakistan); Alam, Shahzad [Pakistan Council for Scientific and Industrial Research (PCSIR) Laboratories Complex, Lahore (Pakistan)

    2011-11-15T23:59:59.000Z

    Nano-crystalline Zn{sub 0.95-x}Mn{sub 0.05}Al{sub x}O (x = 0, 0.05, 0.10) dilute magnetic semiconductors (DMS) were synthesized by sol-gel derived auto-combustion. X-ray diffraction (XRD) analysis shows that the samples have pure wurtzite structure typical of ZnO without the formation of secondary phases or impurity. Crystallite sizes were approximated by Scherrer formula while surface morphology and grain sizes were measured by field emission scanning electron microscopy. Incorporation of Mn and Al into the ZnO structure was confirmed by energy-dispersive X-ray analysis. Temperature dependent electrical resistivity measurements showed a decreasing trend with the doping of Al in ZnMnO, which is attributable to the enhancement of free carriers. Vibrating sample magnetometer studies confirmed the presence of ferromagnetic behavior at room temperature. The results indicate that Al doping results in significant variation in the concentration of free carriers and correspondingly the carrier-mediated magnetization and room temperature ferromagnetic behavior, showing promise for practical applications. We attribute the enhanced saturation magnetization and electrical conductivity to the exchange interaction mediated by free electrons.

  14. Sign change of exchange bias in [Pt/Co]{sub 3}/IrMn multilayer

    SciTech Connect (OSTI)

    Yoon, Seungha; Kwon, Joonhyun; Cho, B. K., E-mail: chobk@gist.ac.kr [School of Materials Science and Engineering, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 500-712 (Korea, Republic of)

    2014-05-07T23:59:59.000Z

    The properties of exchange bias in a multilayer of [Pt(1.0?nm)/Co(1.0?nm)]{sub 2}/Pt(t{sub Pt} nm)/Co(1.0?nm)/ IrMn(12.0?nm) were investigated with a variation of Pt layer thickness, t{sub Pt}. For t{sub Pt}???1.6?nm, it was typically observed that Co layers were ferromagnetically coupled while IrMn layer exhibited negative exchange bias. With increasing Pt thickness, antiferromagnetic (AF) interlayer coupling strength increased and caused AF spin configuration between the Co layers. With further increasing of Pt thickness (t{sub Pt}?=?2.5?nm), the exchange bias between Co and IrMn layers was changed from negative to positive. Therefore, a large enhancement of AF interlayer coupling induced the sign change of exchange bias from negative to positive and resulted in a drastic change of switching behavior in a magnetization reversal. Both extraordinary Hall-effect and magnetoresistance were measured to verify the exchange bias direction and spin configurations upon magnetization reversal.

  15. Structural and Magnetic Properties of MCl2 (M = Fe, Mn, Co): Acetonitrile Solvates

    SciTech Connect (OSTI)

    Pokhodnya,K.; Bonner, M.; DiPasquale, A.; Rheingold, A.; Her, J.; Stephens, P.; Park, J.; Kennon, B.; Arif, A.; Miller, J.

    2007-01-01T23:59:59.000Z

    M{sup II}Cl{sub 2} (M = Mn, Fe, Co) as their acetonitrile solvates were isolated, and their structural, spectroscopic, and magnetic properties were studied. MCl{sub 2}(NCMe){sub 2} (M = Fe, Mn) form 1-D chains of octahedral M{sup II} ions with four bridging chlorides and two axial MeCN's. The presence of an axial distortion for MFe causes a significant magnetic anisotropy that increases significantly below 150 K; however, {chi}{sub av} [=({chi}{sub {parallel}} + 2{chi}{sub {perpendicular}})/3] almost coincides with the value obtained on a polycrystalline sample. MnCl{sub 2}(NCMe){sub 2} is a paramagnet with a weak antiferromagnetic coupling. Annealing FeCl{sub 2}(NCMe){sub 2} at 55 {sup o}C forms the monosolvate of FeCl{sub 2}(NCMe) composition in which two chains collapse into a double chain with formation of Fe-Cl bonding such that half of the {mu}-Cl's becomes {mu}{sub 3}-Cl's. This material orders magnetically below {Tc} = 4.3 K. For M = Co, paramagnetic tetrahedral [CoCl{sub 3}(NCMe)]{sup -} anions are isolated.

  16. Redox Active Layer-by-Layer Structures containing MnO2 Nanoparticles

    SciTech Connect (OSTI)

    Bazito, Fernanda; O'Brien, Robert; Buttry, Daniel A.

    2005-02-01T23:59:59.000Z

    Nanoscale materials provide unique properties that will enable new technologies and enhance older ones. One area of intense activity in which nanoscale materials are being used is in the development of new functional materials for battery applications. This effort promises superior materials with properties that circumvent many of the problems associated with traditional battery materials. Previously we have worked on several approaches for using nanoscale materials for application as cathode materials in rechargeable Li batteries. Our recent work has focused on synthesizing MnO2 nanoparticles and using these in layer-by-layer (LbL) structures to probe the redox properties of the nanoparticles. We show that the aqueous colloidal nanoparticles produced by butanol reduction of tetramethylammonium permanganate can be trapped in thin films using a layer-by-layer deposition approach, and that these films are both redox active and exhibit kinetically facile electrochemical responses. We show cyclic voltammetry of MnO2 colloidal nanoparticles entrapped in a LbL thin film at an ITO electrode surface using poly(diallyldimethylammonium chloride) (PDDA). CV experiments demonstrate that Li+ insertion accompanies Mn(IV) reduction in LiClO4 supporting electrolytes, and that reduction is hindered in supporting electrolytes containing only tetrabutylammonium cations. We also show that electron propagation through multilayer films is facile, suggesting that electrons percolate through the films via electron exchange between nanoparticles.

  17. Why MnIn{sub 2}O{sub 4} spinel is not a transparent conducting oxide?

    SciTech Connect (OSTI)

    Martinez-Lope, M.J. [Instituto de Ciencia de Materiales de Madrid, C.S.I.C., Cantoblanco E-28049 Madrid (Spain); Retuerto, M. [Instituto de Ciencia de Materiales de Madrid, C.S.I.C., Cantoblanco E-28049 Madrid (Spain); Department of Chemistry, Rutgers State University of New Jersey, Piscataway, NJ 08854-8087 (United States); Calle, C. de la [Instituto de Ciencia de Materiales de Madrid, C.S.I.C., Cantoblanco E-28049 Madrid (Spain); Porcher, Florence [Laboratoire Leon Brillouin, CEA/Saclay, 91191 Gif Sur Ivette Cedex, France. (France); Alonso, J.A., E-mail: ja.alonso@icmm.csic.es [Instituto de Ciencia de Materiales de Madrid, C.S.I.C., Cantoblanco E-28049 Madrid (Spain)

    2012-03-15T23:59:59.000Z

    The title compound has been synthesized by a citrate technique. The crystal structure has been investigated at room temperature from high-resolution neutron powder diffraction (NPD) data. It crystallizes in a cubic spinel structure, space group Fd3-bar m, Z=8, with a=9.0008(1) A at 295 K. It exhibits a crystallographic formula (Mn{sub 0.924(2)}In{sub 0.076(2)}){sub 8a}(In{sub 1.804(2)}Mn{sub 0.196(2)}){sub 16d}O{sub 4}, where 8a and 16d stand for the tetrahedral and octahedral sites of the spinel structure, respectively, with a slight degree of inversion, {lambda}=0.08. MnIn{sub 2}O{sub 4} shows antiferromagnetic interactions below T{sub N} Almost-Equal-To 40 K, due to the statistical distribution of Mn ions over the two available sites. Unlike the related MgIn{sub 2}O{sub 4} and CdIn{sub 2}O{sub 4} spinels, well known as transparent conducting oxides, MnIn{sub 2}O{sub 4} is not transparent and shows a poor conductivity ({sigma}=0.38 S cm{sup -1} at 1123 K): the presence of Mn ions, able to adopt mixed valence states, localizes the charges that, otherwise, would be delocalized in the spinel conduction band. - Graphical Abstract: From NPD data the crystallographic formula (Mn{sub 0.924(2)}In{sub 0.076(2)}){sub 8a}(In{sub 1.804(2)}Mn{sub 0.196(2)}){sub 16d}O{sub 4}, shows a slight degree of inversion, {lambda}=0.08 and a certain In deficiency. The presence of Mn ions, able to adopt mixed oxidation states, localize the charges that, otherwise, would be delocalized in the spinel conduction band; the presence of localized Mn{sup 2+} and Mn{sup 3+} ions provides the characteristic brown color. Highlights: Black-Right-Pointing-Pointer Accurate structural determination from NPD data: inversion degree (8%), and In deficiency. Black-Right-Pointing-Pointer Bond-valence indicates Mn{sup 2+}-Mn{sup 3+} ions; edge-sharing octahedra contain 90% In{sup 3+}+10% Mn{sup 3+} cations. Black-Right-Pointing-Pointer Conductivity several orders of magnitude lower than those of MgIn{sub 2}O{sub 4} or CdIn{sub 2}O{sub 4}. Black-Right-Pointing-Pointer Variability of Mn oxidation states cancels any electron-doping effect, emptying conduction band of mobile charge carriers. Black-Right-Pointing-Pointer Curie-Weiss behavior confirming the determined charge distribution.

  18. LIST OF PUBLICATIONS Yuichi Takase

    E-Print Network [OSTI]

    Yamamoto, Hirosuke

    LIST OF PUBLICATIONS Yuichi Takase [1] Lower hybrid heating in the Alcator] Impurity generation during intense lower hybrid heating experiments on the Alcator C tokamak, E. Marmar, M. Fusion 26, 1279-1291 (1986). [12] Impurity sources during lower hybrid heating on Alcator, B. Lipschultz

  19. Public Utilities Commission Consumer Programs

    E-Print Network [OSTI]

    California Public Utilities Commission Consumer Programs Water Programs The CPUC regulates privately owned water companies, which may provide specific as- sistance programs that are unique to each about consumer programs. For infor- mation on income eligibility limits and for a list of water

  20. Public Lecture Prospects for Solar

    E-Print Network [OSTI]

    Public Lecture Prospects for Solar Energy Utilization 4 p.m., October 8 100 Lindquist Hall Scientific lecture O Thermodynamically Efficient Solar Energy Concentration 2 p.m., October 7 128 Jabara Hall-Merced and director of the California Advanced Solar Technologies Institute. He invented the field of non

  1. ENERGY COMMISSION PUBLIC UTILITIES COMMISSION

    E-Print Network [OSTI]

    . Specifically, the Proposed Final Opinion: · Reaffirms a commitment to pursue all cost-effective energy, however, utility costs may be reduced compared with business as usual, after accounting for significantCALIFORNIA ENERGY COMMISSION CALIFORNIA PUBLIC UTILITIES COMMISSION FOR IMMEDIATE RELEASE

  2. GRADUATE SCHOOL OF PUBLIC POLICY

    E-Print Network [OSTI]

    Saskatchewan, University of

    GRADUATE SCHOOL OF PUBLIC POLICY To: Trever Crowe, Associate Dean College of Graduate Studies: September 20, 2010 On May 10, 2010, representatives from the Johnson-Shovama Graduate School met: That the passin,ggradefor all courses (`PUBP, GSPP, and electives outside of/he School) taken by students

  3. Presidential responsiveness to public opinion

    E-Print Network [OSTI]

    Vaughn, Justin Scott

    2009-05-15T23:59:59.000Z

    the project markedly, and Dr. Paul Kellstedt patiently indulged my persistent questions about elementary aspects of time-series analysis and the nuances of the public mood measure. Kurt Ritter, Ed Portis and Cary Nederman also demonstrated generous amounts... PRESIDENCY ................71 Presidential-Congressional Action: A Literature Review ..............71 Presidential Responsiveness and Congressional Roll Call Votes...75 Data...

  4. Public Art Fund Communications Internship

    E-Print Network [OSTI]

    Shepard, Kenneth

    of these people. Because it's a year-in- review type magazine, we had to make sure to include photos from each publication since it only comes out once a year. Because PAF just got a new, more modern-looking website, the magazine's look was altered a bit this year to fit that streamlined style. One thing I found interest- ing

  5. James M. Davis Public Liaison

    E-Print Network [OSTI]

    Warfare Tech Library Ridgecrest Public Library Walter Stiern Memorial Library Electronic Access to AFC, interested agencies, intervenors Notice by List Server Electronic distribution by email to those who signed up on the electronic list #12;Outreach--Other Executive Director Correspondence: Elected Officials

  6. as Catalyst in Public Health

    E-Print Network [OSTI]

    Bushman, Frederic

    Crisis as Catalyst in Public Health Alex's Lemonade Stand and the Fight Against Childhood Cancer, Medical Director, Pediatric Advanced Care Team, Children's Hospital of Philadelphia For more information, survivorship, and palliative care. We will also explore the impact that individuals can make on medical

  7. School of Public Health ADMINISTRATION

    E-Print Network [OSTI]

    Illinois at Chicago, University of

    career in health services organizations such as hospitals, community-based ambulatory care centers, man aged care plans, the health supply chain, and long-term care providers. These students will receiveSchool of Public Health HEALTHCARE ADMINISTRATION Mailing Address: MHA Program Division of Health

  8. HOLYOKE PUBLIC SCHOOLS HOLYOKE, MASSACHUSETTS

    E-Print Network [OSTI]

    Massachusetts at Amherst, University of

    HOLYOKE PUBLIC SCHOOLS HOLYOKE, MASSACHUSETTS David L. Dupont, Superintendent of Schools POSTING with identified students. Teaches self-regulation skills and self care strategies to identified students Amendments of 1972, Chapter 622 of the General Laws of the Commonwealth of Massachusetts and Section 504

  9. The Library The Public Library

    E-Print Network [OSTI]

    The Library The Public Library The Library Mission The library Function Acquisition Section of the library The library holdings Distribution of the library collections Organzation of Konwledge The library automated system The library services The automated circulation system Recalls Reservation Reference works

  10. Elena M. Miller Public Adviser

    E-Print Network [OSTI]

    the public understand the process Make recommendations for the best way to be involved Assist in successful.energy.ca.gov/sitingcases/almond/documents #12;TID Almond 2 Outreach Siting, Transmission & Envtl. Protection (Siting) Division Notice of CEC the same rights and responsibilities as other

  11. 2012 Sustainability Plan Public Version

    E-Print Network [OSTI]

    US Army Corps of Engineers

    Sustainability Plan (SP) meets the Executive Order (EO) 13514, Federal Leadership in Environmental, Energy1 2012 Sustainability Plan Public Version 16 November 2012 Point of Contact: Candice S. Walters, and Economic Performance, Section 8 requirement to annually update an integrated Strategic Sustainability

  12. New Publications First Quarter 2004

    E-Print Network [OSTI]

    report number in space provided (e.g., INT- GTR-373). 3. Cut off postcard and mail. Without name label in the Great Plains · RMRScience newsletter . . . and much more Hot off the press... Would you like to see what New Publications January­March 2004 RMRS How to Order . . . With imprinted name label on order card: 1

  13. Management of Public Communications Publications and Scientific, Engineering, and Technical Publications

    Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

    1982-08-25T23:59:59.000Z

    To prescribe policies, standards, and procedures for effective management of Department of Energy (DOE) publications. Cancels DOE O 1340.1 dated 8-10-79 and DOE N 1350.1 dated 5-12-81. Chg 1 dated 4-14-83. Canceled by DOE O 1340.1B dated 1-7-93.

  14. Electronic states and cyclotron resonance in n-type InMnAs G. D. Sanders, Y. Sun, F. V. Kyrychenko, and C. J. Stanton

    E-Print Network [OSTI]

    Kono, Junichiro

    and their heterostructures with AlGaSb, the first grown III-V magnetic semiconductor,1,5,6 serve as a prototype s : 75.50.Pp, 78.20.Ls, 78.40.Fy I. INTRODUCTION Recently, there has been much interest in III-V magnetic semiconductors such as InMnAs Ref. 1 and GaMnAs Ref. 2 . The ferromagnetic exchange coupling between Mn ions

  15. Magnetic ordering in the spinel compound LiMn2-xLixO4,,x=0,0.04... John Gaddy,1

    E-Print Network [OSTI]

    Montfrooij, Wouter

    .1063/1.3073660 The ground state properties of the known lithium-based cubic spinel compounds LiT2O4 range from BCS-range antiferromagnetic order. In contrast, whereas lithium-substituted Li Mn2-xLix O4 also undergoes a charge eightfold rings.6 The Mn4+ rings only interact with other rings via the intervening Mn3+ ions. When cooled

  16. From Public Understanding to Public Policy: Public Views on Energy, Technology & Climate Science in the United States

    E-Print Network [OSTI]

    Aickelin, Uwe

    affiliation with a political party necessarily imply support for their party's position on every issue. NextFrom Public Understanding to Public Policy: Public Views on Energy, Technology & Climate Science towards energy technologies and climate change are explored by reviewing recent surveys of American

  17. Magnetic properties of ion implanted Ge{sub 1-x}Mn{sub x} thin films solidified through pulsed laser melting

    SciTech Connect (OSTI)

    Commisso Dolph, Melissa [Department of Physics, University of Virginia, Charlottesville, Virginia 22904 (United States); Kim, Taeseok; Recht, Daniel; Aziz, Michael J. [Harvard School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138 (United States); Yin Wenjing; Fan Wenbin; Yu Jiani; Lu Jiwei [Department of Materials Science and Engineering, University of Virginia, Charlottesville, Virginia 22904 (United States); Wolf, Stuart A. [Department of Physics, University of Virginia, Charlottesville, Virginia 22904 (United States); Department of Materials Science and Engineering, University of Virginia, Charlottesville, Virginia 22904 (United States)

    2011-05-01T23:59:59.000Z

    Ge{sub 1-x}Mn{sub x} thin films with an average Mn concentration of 0.64 at. % were fabricated through Mn ion implantation into crystalline germanium-on-insulator wafers. Implantation damage was removed and crystallinity restored by pulsed laser melting from a single 30-ns 308-nm XeCl{sup +} excimer laser pulse. Resolidified films demonstrated higher Curie temperatures but smaller saturation magnetizations than those of both as-implanted films and implanted films subjected to rapid thermal annealing. These findings are attributed to the redistribution of Mn during solidification.

  18. Effect of disorder on the magnetic properties of cubic Mn{sub 2}Ru{sub x}Ga compounds: A first-principles study

    SciTech Connect (OSTI)

    Galanakis, I., E-mail: galanakis@upatras.gr [Department of Materials Science, School of Natural Sciences, University of Patras, GR-26504 Patra (Greece); Özdo?an, K., E-mail: kozdogan@yildiz.edu.tr [Department of Physics, Yildiz Technical University, 34210 ?stanbul (Turkey); ?a??o?lu, E., E-mail: e.sasioglu@fz-juelich.de; Blügel, S. [Peter Grünberg Institut and Institute for Advanced Simulation, Forschungszentrum Jülich and JARA, 52425 Jülich (Germany)

    2014-07-21T23:59:59.000Z

    We perform first-principles electronic structure calculations to explain the anomalous magnetic behavior of the Mn{sub 2}Ru{sub x}Ga compounds upon Ru doping as shown experimentally recently by Kurt et al. [Phys. Rev. Lett. 112, 027201 (2014)]. Our results suggest that disorder caused by the distribution of the Mn and Ru atoms at various sites reproduces the experimental data. All compounds present antiparallel alignment of the neighboring Mn magnetic moments and, with the exception of Mn{sub 2}RuGa, none of them presents half metallic behavior.

  19. Combustion Synthesis of Nanoparticulate LiMgxMn1-xPO4 (x=0, 0.1, 0.2) Carbon Composites

    E-Print Network [OSTI]

    Doeff, Marca M

    2010-01-01T23:59:59.000Z

    for Rechargeable Lithium Batteries. J. Electrochem. Soc.4 V Cathode Materials for Lithium Batteries. J. Electrochem.LiMnPO 4 for Lithium Ion Batteries. Electrochem. and Solid

  20. Transmission electron microscopy of RSP Fe/Cr/Mn/Mo/C alloy. [Fe-3 wt % Cr-2 wt % Mn-0. 5 wt % Mo, -0. 3 wt % C

    SciTech Connect (OSTI)

    Rayment, J.J.; Thomas, G.

    1982-03-01T23:59:59.000Z

    Rapid solidification processing (RSP) has been carried out on an Fe/Cr/Mn/Mo/C alloy using both electron-beam melting and piston-and-anvil techniques. Preliminary TEM results show RSP produces a refined duplex microstructure of ferrite and martensite, with a typical ferrite grain size of 0.50 - 3.0 microns. This RSP microstructure is significantly different from that observed in the conventionally austenitized and quenched alloys - a lath martensitic microstructure with thin films of retained interlath austenite. The morphological change produced by RSP is accompanied by an increase in hardness from 48R/sub c/ to 61R/sub c/ (approx. 480 to 720 VHN). It is intended to use electron-beam specimens to examine the potential beneficial effect of RSP upon sliding wear resistance and, by careful TEM studies, it will be possible to characterize the microstructure and its role in the hardness and wear behavior of the RSP alloy.

  1. Fiscal decentralization and urban public transport

    E-Print Network [OSTI]

    Favero, Giorgia

    2006-01-01T23:59:59.000Z

    Financing public transport through public funds is a common practice that can be justified on different grounds: equity, natural monopoly and, particularly with the increasing motorization rate, externalities produced by ...

  2. Columbia University Department of Public Safety

    E-Print Network [OSTI]

    Lazar, Aurel A.

    Columbia University Department of Public Safety SECURITY ALERT BURGLARY On August 24, 2012 a tenant crime prevention tips and programs offered by Columbia University Public Safety on our website at www.columbia

  3. Essays in public economics and political economy

    E-Print Network [OSTI]

    Pinkovskiy, Maxim L

    2013-01-01T23:59:59.000Z

    This thesis studies topics in public economics in developed and developing countries, including health insurance regulation, public goods provision and inequality and welfare measurement. The first chapter analyzes the ...

  4. Public policy-making and research information

    E-Print Network [OSTI]

    Seekins, Tom; Fawcett, Stephen B.

    1986-01-01T23:59:59.000Z

    Discusses the types of information that behavioral researchers might provide to public policymakers and how it might be delivered in order to shape public policy. The stages of policymaking, including agenda formation, ...

  5. Publicity-driven accountability in China

    E-Print Network [OSTI]

    Distelhorst, Gregory Michael

    2013-01-01T23:59:59.000Z

    What, if anything, renders unelected bureaucrats accountable to the public? This thesis draws upon field research on contemporary China's news media, officials, and activists to theorize the role of publicity in non-electoral ...

  6. Spot pricing of public utility services

    E-Print Network [OSTI]

    Bohn, Roger E.

    1982-01-01T23:59:59.000Z

    This thesis analyzes how public utility prices should be changed over time and space. Earlier static and non spatial models of public utility pricing emerge as special cases of the theory developed here. Electricity is ...

  7. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    1991). S. P. Girrens and C. R. Farrar, "Experimental Assessment of Air Permeability in a Concrete Shear Wall Subjected to Simulated Seismic Loading," Los Alamos National...

  8. Publications

    E-Print Network [OSTI]

    ... from a complex piece of information ? Link; Further Exponential Generalization of Pitman's 2M-X theorem, Electronic Communications in Probability, Vol.

  9. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    (Invited Keynote Lecture). T. G. Overly, G. Park, C. R. Farrar and R. J. Allemang, "Compact Hardware Development for Structural Health Monitoring and Sensor Diagnostics Using...

  10. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeedingTechnical News,Program90803| DepartmentPseudogaps,PointAboutdefault

  11. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeedingTechnical News,Program90803|

  12. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible forPortsmouth/Paducah47,193.70COMMUNITY AEROSOL INLET8, 2012Media Contacts:AreaGCPCC's

  13. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible forPortsmouth/Paducah47,193.70COMMUNITY AEROSOL INLET8, 2012Media

  14. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible forPortsmouth/Paducah47,193.70COMMUNITY AEROSOL INLET8, 2012MediaDamage Prognosis

  15. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible forPortsmouth/Paducah47,193.70COMMUNITY AEROSOL INLET8, 2012MediaDamage

  16. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible forPortsmouth/Paducah47,193.70COMMUNITY AEROSOL INLET8, 2012MediaDamageLos Alamos Reports

  17. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible forPortsmouth/Paducah47,193.70COMMUNITY AEROSOL INLET8, 2012MediaDamageLos Alamos

  18. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible forPortsmouth/Paducah47,193.70COMMUNITY AEROSOL INLET8, 2012MediaDamageLos AlamosSensors

  19. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible forPortsmouth/Paducah47,193.70COMMUNITY AEROSOL INLET8, 2012MediaDamageLos

  20. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible forPortsmouth/Paducah47,193.70COMMUNITY AEROSOL INLET8, 2012MediaDamageLos Directed

  1. Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible forPortsmouth/Paducah47,193.70COMMUNITY AEROSOL INLET8, 2012MediaDamageLos

  2. Presidential responsiveness to public opinion 

    E-Print Network [OSTI]

    Vaughn, Justin Scott

    2009-05-15T23:59:59.000Z

    of the policy making process: problem identification in agenda setting, position taking in agenda setting, policy formulation, and policy legitimation. At each stage, presidential action becomes less symbolic and more substantive. Hence, the opportunities... in mobilizing the public to support his plebiscitary plans (e.g., Kernell 1997; Polsby 1978) and achieving his policy agenda in Congress (e.g., Bond and Fleisher 1980, 1990; Canes-Wrone and DeMarchi 2002; Cohen et al. 2000; Collier and Sullivan 1995; Edwards...

  3. NREL: Transmission Grid Integration - Publications

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible for Renewable Energy: Grid IntegrationReport AvailableForecastingNews ThePublications

  4. Recommendation 177: Facilitating Early Public Input

    Broader source: Energy.gov [DOE]

    DOE should initiate consultation meetings with stake holders immediately to allow early public input into the planning for IFDP

  5. Revised Spring 2008 NIH Public Access Policy

    E-Print Network [OSTI]

    Revised Spring 2008 NIH Public Access Policy Notice Number: NOT-OD-08-033 - (See Notice NOT-OD-08-161 (Consolidated Appropriations Act, 2008), the NIH voluntary Public Access Policy (NOT-OD-05-022) is now mandatory shall implement the public access policy in a manner consistent with copyright law. Specifics 1. The NIH

  6. Ghana Green Building Council public launch

    E-Print Network [OSTI]

    Ghana Green Building Council public launch examples of green buildings in South Africa eric noir, WSP GBD 17 August 2011 #12;Ghana Green Building Council public launch | examples of green buildings in South Africa GREEN by DESIGN PLATINUM GOLD MAJORSPONSORS #12;Ghana Green Building Council public launch

  7. A Hart Energy Publication When science crosses

    E-Print Network [OSTI]

    National Oceanography Centre, Southampton

    A Hart Energy Publication APRIL 2005 SeaQuest: When science crosses public/private boundaries support decisions GLOBAL EXPLORATION & PRODUCTION NEWS · TECHNOLOGY UPDATES · ANALYSIS SeaQuest: When ENGINEERING AWARDS #12;E&P | April 2005 SEA QUESTWHEN SCIENCE CROSSES PUBLIC/PRIVATE SECTOR BOUNDARIES, GOOD

  8. The Graduate School PA Public Administration

    E-Print Network [OSTI]

    MacAdam, Keith

    The Graduate School PA Public Administration KEY: # = new course * = course changed = course an overview of information strategies and management approaches to government functions and public policy, and training in the health care sector. Prereq: MHA program status. PA 631 PUBLIC FINANCIAL MANAGEMENT. (3

  9. Cleared for public release, distribution unlimited

    E-Print Network [OSTI]

    Feigenbaum, Joan

    Cleared for public release, distribution unlimited A Study on The Network as Economy #12;Cleared for public release, distribution unlimited The Premise · Modern technological networks are on a collision for public release, distribution unlimited Network-centric Operations are at Risk · Increasingly pervasive

  10. WILLIAM VICKREY CONTRIBUTIONS TO PUBLIC POLICY

    E-Print Network [OSTI]

    Tesfatsion, Leigh

    WILLIAM VICKREY CONTRIBUTIONS TO PUBLIC POLICY October 1997 Richard Arnott Department of Economics.arnott@bc.edu #12;1 William Vickrey Contributions to Public Policy Bill Vickrey's cast of mind impact on public policy, there is good reason to believe that in the fullness of time his ideas

  11. GRADUATE SCHOOL OF BUSINESS AND PUBLIC POLICY

    E-Print Network [OSTI]

    GRADUATE SCHOOL OF BUSINESS AND PUBLIC POLICY NAVAL POSTGRADUATE SCHOOL The Nation's Premiere Defense-focused Business Management and Public Policy School for Graduate Education and Research The Graduate School of Business & Public Policy (GSBPP) offers a number of defense-focused degree programs

  12. Energy Efficiency Financing for Public Sector Projects (California)

    Broader source: Energy.gov [DOE]

    Cities, counties, public care institutions, public hospitals, public schools and colleges, and special districts in California can apply for low-interest loans from the California Energy Commission...

  13. Public Roundtable- Data Access and Privacy Issues Related to...

    Broader source: Energy.gov (indexed) [DOE]

    to Smart Grid Technologies Public Roundtable- Data Access and Privacy Issues Related to Smart Grid Technologies More Documents & Publications Testimony Public Meeting Transcript:...

  14. Performance indicators for public mental healthcare: A systematic international inventory

    E-Print Network [OSTI]

    Lauriks, Steve; Buster, Marcel CA; de Wit, Matty AS; Arah, Onyebuchi A; Klazinga, Niek S

    2012-01-01T23:59:59.000Z

    Lauriks et al. : Performance indicators for public mentaland properties of unique performance indicators for publicOA, Klazinga NS: Performance indicators for public mental

  15. Instructions on Entering Publications into the APS Database

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    and the APS of publications resulting from work conducted here. The APS Publications Database is the official record of publications derived from research at, or produced by...

  16. Instructions on Entering Publications into the APS Database

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Methods to enter user publications into the APS publication database The APS Publications Database is a searchable compendium of information on results from research at the APS,...

  17. The Definition of Public Space in Republican Rome

    E-Print Network [OSTI]

    Russell, Amy

    2011-01-01T23:59:59.000Z

    tensions between public and private action which were foundconcepts Public and private in action in the house Spatialof Roman life. Public and private in action in the house

  18. Public Utility Regulatory Policies Act of 1978 (PURPA) | Department...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Public Utility Regulatory Policies Act of 1978 (PURPA) Public Utility Regulatory Policies Act of 1978 (PURPA) "List of Covered Electric Utilities" under the Public Utility...

  19. Zero-field signal in the electron paramagnetic resonance spectrum of Mn{sup +2} in silicate glasses

    SciTech Connect (OSTI)

    Rakhimov, Rakhim R. [Center for Materials Research, Norfolk State University, Norfolk, Virginia 23504 (United States)] [Center for Materials Research, Norfolk State University, Norfolk, Virginia 23504 (United States); Jones, David E. [Center for Materials Research, Norfolk State University, Norfolk, Virginia 23504 (United States)] [Center for Materials Research, Norfolk State University, Norfolk, Virginia 23504 (United States)

    2000-07-22T23:59:59.000Z

    A 9.4-9.8 GHz electron paramagnetic resonance (EPR) study of Mn{sup +2}-doped Na{sub 2}O-CaO-MgO-SiO{sub 2} glasses has revealed a nonresonant microwave magneto-absorption near zero magnetic field in addition to normal paramagnetic absorption due to Mn{sup +2} ions, electron spin S=5/2. The low-field response has an opposite phase relative to paramagnetic signal and is independent of the mutual orientation of the magnetic field of the microwave H{sub 1} and static magnetic field H. In contrast, the paramagnetic signal is different for perpendicular H{sub 1}(perpendicular sign)H and parallel H{sub 1}(parallel sign)H polarization of the microwave field, which is attributed to enhancement of forbidden magnetic dipolar transitions and suppression of the allowed transitions for parallel polarization. The low-field response is described in terms of microwave dielectric losses that derive from the magneto-induced charge migration in the first coordination sphere of Mn{sup +2}. As opposed to the spin-polarized tunneling that was described in ferromagnets between different valence forms of Mn, the observed effect is due to spin-dependent tunneling that occurs in the vicinity of Mn{sup +2} in a diluted paramagnetic system. (c) 2000 American Institute of Physics.

  20. Magnetovolume effect in Ho{sub 2}Fe{sub 17-x}Mn{sub x} compounds

    SciTech Connect (OSTI)

    Wang, J. L. [Institute for Superconductivity and Electronic Materials, University of Wollongong (Australia); Bragg Institute, ANSTO, Menai, NSW 2234 (Australia); School of Physical, Environmental and Mathematical Sciences, University of New South Wales, Canberra, ACT 2600 (Australia); Studer, A. J.; Kennedy, S. J. [Bragg Institute, ANSTO, Menai, NSW 2234 (Australia); Zeng, R.; Dou, S. X. [Institute for Superconductivity and Electronic Materials, University of Wollongong (Australia); Campbell, S. J. [School of Physical, Environmental and Mathematical Sciences, University of New South Wales, Canberra, ACT 2600 (Australia)

    2012-04-01T23:59:59.000Z

    The structural and magnetic properties of seven compounds in the Ho{sub 2}Fe{sub 17-x}Mn{sub x} series (x = 0-5) have been investigated. The spontaneous magnetization M{sub s} at 10 K exhibits a minimum at x{approx_equal} 3.8 while the 3d-sublattice magnetization M{sub T} is found to decrease at {approx} -3.4 {mu}{sub B}/per Mn atom compared with the rate of {approx}-2.0 {mu}{sub B}/per Mn atom expected from a simple dilution model. All of the Ho{sub 2}Fe{sub 17-x}Mn{sub x} compounds exhibit anisotropic thermal expansion below their Curie temperatures leading to the presence of strong magnetovolume effects and Invar-type behavior below T{sub C}. An approximately zero volume thermal expansion has been detected between 10 K and 270 K for Ho{sub 2}Fe{sub 17}. The maximum magnetic entropy changes for Ho{sub 2}Fe{sub 17-x}Mn{sub x} with x = 0 and 2.0 are 3.2 J kg{sup -1} K{sup -1} around T{sub C} {approx} 336 K and 2.7 J kg{sup -1} K{sup -1} around T{sub C} {approx} 302 K, respectively, for magnetic field change of B = 0-5 T.