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1

Advance View Proofs Thermodynamic Description of the Mg-Mn, Al-Mn and Mg-Al-Mn Systems  

E-Print Network (OSTI)

Advance View Proofs Thermodynamic Description of the Mg-Mn, Al-Mn and Mg-Al-Mn Systems Using-consistent thermodynamic model of the Mg-Mn, Al-Mn and Mg-Al-Mn systems has been developed. The major difference between work on the Al-Mn system that uses the same model for the liquid phase reveals that better agreement

Medraj, Mamoun

2

Magnetism of Al-Mn quasicrystals  

Science Journals Connector (OSTI)

The effect of symmetry and concentration of Mn on the magnetism of Al-Mn quasicrystals has been investigated through self-consistent density-functional calculations using molecular clusters and supercell band-structure schemes. A single Mn atom surrounded by 54 Al atoms in an icosahedral or a cuboctahedral structure is found to be nonmagnetic. However, as the Mn concentration is increased, moments develop on Mn sites whose magnitude and coupling depend on their location.

Feng Liu; S. N. Khanna; L. Magaud; P. Jena; V. de Coulon; F. Reuse; S. S. Jaswal; X.-G. He; F. Cyrot-Lackman

1993-07-01T23:59:59.000Z

3

Category:Minneapolis, MN | Open Energy Information  

Open Energy Info (EERE)

MN MN Jump to: navigation, search Go Back to PV Economics By Location Media in category "Minneapolis, MN" The following 16 files are in this category, out of 16 total. SVFullServiceRestaurant Minneapolis MN Northern States Power Co (Minnesota) Excel Energy.png SVFullServiceRestauran... 89 KB SVHospital Minneapolis MN Northern States Power Co (Minnesota) Excel Energy.png SVHospital Minneapolis... 85 KB SVLargeHotel Minneapolis MN Northern States Power Co (Minnesota) Excel Energy.png SVLargeHotel Minneapol... 85 KB SVLargeOffice Minneapolis MN Northern States Power Co (Minnesota) Excel Energy.png SVLargeOffice Minneapo... 82 KB SVMediumOffice Minneapolis MN Northern States Power Co (Minnesota) Excel Energy.png SVMediumOffice Minneap... 83 KB SVMidriseApartment Minneapolis MN Northern States Power Co (Minnesota) Excel Energy.png

4

Magnetism of Mn layers on Fe(100)  

Science Journals Connector (OSTI)

The magnetic state of epitaxial overlayers of Mn grown on Fe(100) is studied using spin-polarized electron energy loss spectroscopy. Nonzero exchange asymmetries are found, demonstrating that the surface layer of the Mn overlayers has a net magnetic moment. The exchange asymmetry oscillates with a period of about two atomic layers as the Mn overlayer thickness is varied, proving that the Mn forms ferromagnetic (100) sheets and that the sheets align antiferromagnetically. The average Mn exchange splitting is found to be 2.9 eV, indicating a magnetic moment of the order 3?B.

T. G. Walker and H. Hopster

1993-08-01T23:59:59.000Z

5

Los Alamos, NASA  

NLE Websites -- All DOE Office Websites (Extended Search)

Unusual light in dark space revealed by Los Alamos, NASA November 7, 2014 Near-infrared data could change the way we think about galaxies LOS ALAMOS, N.M., Nov. 7, 2014-By looking...

6

Los Alamos National Laboratory  

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new student app July 15, 2014 Job searching tool for students, postdocs LOS ALAMOS, N.M., July 15, 2014-Los Alamos National Laboratory recently launched its new student mobile app...

7

Los Alamos National Laboratory  

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acknowledged for progress in safety excellence by Department of Energy August 4, 2010 Lab is awarded VPP Merit status LOS ALAMOS, New Mexico, August 4, 2010-Los Alamos National...

8

Los Alamos National Laboratory  

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Star Status recognition for safety excellence from Department of Energy October 8, 2014 Lab largest site in DOE complex to attain Star level LOS ALAMOS, N.M., Oct. 8, 2014-Los...

9

The Los Alamos Science Pillars LOS ALAMOS NATIONAL LABORATORY  

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Los Alamos Science Pillars LOS ALAMOS NATIONAL LABORATORY September 2012 Signatures at Los Alamos National Laboratory Projects that involve signatures are taking place in every...

10

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

SciTech Connect

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.

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

11

Los Alamos Employees' Scholarship  

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Sixty-five New Mexico students receive Sixty-five New Mexico students receive Los Alamos Employees' Scholarship Fund scholarships May 1, 2012 - 2 - Scholarship campaign begins today for 2013 scholarship awards LOS ALAMOS, New Mexico, May 1, 2012-Sixty-five students from seven Northern New Mexico counties are recipients of Los Alamos Employees' Scholarship Fund scholarships, funded through more than $500,000 in donations from Los Alamos National Laboratory employees and the company that manages the Laboratory. Los Alamos High School senior Scott Carlsten received the top award, the platinum scholarship, which provides $7,500 in financial assistance annually for four years. "I'm very grateful to the Los Alamos National Laboratory Foundation and LANL employees who contributed to make this award possible," said Carlsten. "Being notified

12

Short-Range Layered A-Site Ordering in Double Perovskites NaLaBB?O6 (B = Mn, Fe; B? = Nb, Ta)  

Science Journals Connector (OSTI)

The magnetic exchange interactions in NaLaFeTaO6 and NaLaFeNbO6 are antiferromagnetic, while they are ferromagnetic in NaLaMnTaO6 and NaLaMnNbO6. ... This work has benefited from the use of HIPD at the Lujan Center at Los Alamos Neutron Science Center, funded by DOE Office of Basic Energy Sciences. ...

Walid Dachraoui; Tao Yang; Chang Liu; Graham King; Joke Hadermann; Gustaaf Van Tendeloo; Anna Llobet; Martha Greenblatt

2011-04-14T23:59:59.000Z

13

Microsoft Word - Mn.doc  

NLE Websites -- All DOE Office Websites (Extended Search)

5 5 Structural Determination of Marine Bacteriogenic Manganese Oxides John R. Bargar, Samuel M. Webb (Stanford Synchrotron Radiation Laboratory), and Bradley M. Tebo (Oregon Health and Science University) Bacterial oxidation of Mn(II) impacts the global geochemical cycling of carbon, nitrogen, sulfur, nutrients, and contaminants in the environment. Manganese is abundant in the biosphere (~10 14 Kg of suspended and dissolved manganese in the oceans) and is second only to iron in relative terrestrial abun- dance of transition metals. Manganese is an important nutrient in the marine water column and is fundamentally required for photosynthesis. The acquisition of manganese by organisms and the biogeochemistry of manganese in the oceans is therefore an

14

Stockpile Stewardship: Los Alamos  

ScienceCinema (OSTI)

"Heritage of Science" is a short video that highlights the Stockpile Stewardship program at Los Alamos National Laboratory. Stockpile Stewardship was conceived in the early 1990s as a national science-based program that could assure the safety, security, and effectiveness of the U.S. nuclear deterrent without the need for full-scale underground nuclear testing. This video was produced by Los Alamos National Laboratory for screening at the Lab's Bradbury Science Museum in Los Alamos, NM and is narrated by science correspondent Miles O'Brien.

McMillan, Charlie; Morgan, Nathanial; Goorley, Tom; Merrill, Frank; Funk, Dave; Korzekwa, Deniece; Laintz, Ken

2014-08-12T23:59:59.000Z

15

LOS ALAMOS, New Mexico, November 19, 2010- Los Alamos National...  

NLE Websites -- All DOE Office Websites (Extended Search)

debuts hybrid garbage truck November 19, 2010 Truck uses hydraulic pressure to improve efficiency by 30 percent LOS ALAMOS, New Mexico, November 19, 2010- Los Alamos National...

16

Los Alamos National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

remembers former director Harold remembers former director Harold Agnew September 30, 2013 Manhattan Project pioneer was LANL director from 1970-1979 LOS ALAMOS, N.M., Sept. 30, 2013-Los Alamos National Laboratory Director Charlie McMillan today remembered Harold Agnew as a national treasure who transformed the Laboratory into what it is in the 21st century. "His contributions to the Laboratory made us the institution we are today," McMillan said. "It was his vision - decades ago - that recognized that national security science - 2 - brings value to a broad spectrum of breakthroughs. Los Alamos and the nation will be forever in Harold's debt." Agnew died at home on Sunday, Sept. 29, his family announced. He was the third director of Los Alamos National Laboratory, succeeding Robert

17

Los Alamos National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

strategy for long-term environmental sustainability March 1, 2013 Blueprint for planning work activities with the environment in mind LOS ALAMOS, N.M., March 1, 2013-The Department...

18

White House honors Los Alamos  

NLE Websites -- All DOE Office Websites (Extended Search)

White House honors Los Alamos physicist's early career work July 10, 2009 Los Alamos, New Mexico, July 10, 2009-The White House today announced that Los Alamos National Laboratory...

19

Ni(II) Sorption on Biogenic Mn-Oxides with Varying Mn  

E-Print Network (OSTI)

Ni(II) Sorption on Biogenic Mn-Oxides with Varying Mn Octahedral Layer Structure M E N G Q I A N G(II) sorption mechanisms were determined at pH 7 and at different Ni(II) loadings, using isotherm and extended X in the interlayer of the BioMnOx and the maximum Ni(II) sorption capacity increases as the formation pH of Bio

Sparks, Donald L.

20

Los Alamos Neutron Science Center  

NLE Websites -- All DOE Office Websites (Extended Search)

Neutron Science Center gets capacity boost December 2, 2010 Los Alamos National Security funds upgrade to key facility LOS ALAMOS, New Mexico, December 2, 2010-The National Nuclear...

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Mn/DOT County Road Safety Plans  

E-Print Network (OSTI)

Roads Program !! Minnesota Central Safety Funds !! Foster safety culture among county stakeholders 41 Mn/DOT County Road Safety Plans CTS Annual Research Conference April 27 & 28, 2010 Howard Preston & Objectives !! Project Overview !! Schedule, Participating Counties, Approach !! Safety Emphasis Areas

Minnesota, University of

22

Los Alamos National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

announces Express Licensing program announces Express Licensing program August 1, 2013 Streamlined procedure speeds business access to new technology LOS ALAMOS, N.M., August 1, 2013-With the launch of a new "Express Licensing" program, access to innovative technology invented at Los Alamos National Laboratory (LANL) has gotten easier. The new licensing alternative was announced today by David Pesiri, director of LANL's Technology Transfer Division. "The Express License program offers an additional licensing resource for local entrepreneurs as well as national collaborators," Pesiri said. "Our licensing and software teams have worked very hard to offer this specialized model for those wanting to quickly license Los Alamos technology." - 2 - The Express Licensing program at LANL is the first of several new initiatives under

23

Los Alamos Postdoc Association  

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Association Association Los Alamos Postdoc Association Fostering a sense of community, advocating for the postdoctoral community, and providing career development information. Contact Postdoc Program Office Email Postdocs are not only the future of science, but specifically, the future of LANL. Making the life of LANL postdocs more fulfilling socially, professionally LAPA logo The Los Alamos Postdoc Association (LAPA) at Los Alamos National Laboratory fosters a sense of community among the postdoctoral research staff; advocates for the postdoctoral community; and provides career development information to LANL postdocs. To ensure that the future of each postdoc is a bright one, LAPA works to make the life of the LANL postdoc more fulfilling both socially and, more importantly, professionally.

24

MN Office of Energy Security | Open Energy Information  

Open Energy Info (EERE)

MN Office of Energy Security MN Office of Energy Security Jump to: navigation, search Name MN Office of Energy Security Place St. Paul, MN Website http://www.mnofficeofenergysec References MN Office of Energy Security[1] Information About Partnership with NREL Partnership with NREL Yes Partnership Type Test & Evaluation Partner Partnering Center within NREL Electricity Resources & Building Systems Integration LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! MN Office of Energy Security is a company located in St. Paul, MN. References ↑ "MN Office of Energy Security" Retrieved from "http://en.openei.org/w/index.php?title=MN_Office_of_Energy_Security&oldid=379158" Categories: Clean Energy Organizations Companies Organizations

25

Los Angeles San Francisco  

E-Print Network (OSTI)

international airports Average Annual Global Economic Surplus and Profit Distribution across the Air TravelAuckland Bangkok Beijing Boston Chicago London Los Angeles Melbourne Milan Mumbai Munich New Delhi Shanghai Singapore Melbourne Auckland Bangkok Chicago Paris Boston New York Sydney New Delhi Wroclaw #12

Entekhabi, Dara

26

Los Alamos National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

employees receive Pollution Prevention employees receive Pollution Prevention Awards April 23, 2013 Protecting environment, saving taxpayer dollars LOS ALAMOS, N.M., April 23, 2013-Nearly 400 Los Alamos National Laboratory employees on 47 teams received Pollution Prevention awards for protecting the environment and saving taxpayers more than $8 million. The employees were recognized at the Laboratory's annual Pollution Prevention Awards ceremony on Monday (April 22), Earth Day. "The Pollution Prevention Awards are the result of people taking the initiative to improve their own operations," said Pat Gallagher of the Laboratory's Environmental - 2 - Stewardship group. "These are clever, innovative, homegrown and home-owned ideas that save the Laboratory and taxpayers millions of dollars each year while reducing

27

Los Alamos National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

May 14, 2013 May 14, 2013 Value of up to $150 million over five years LOS ALAMOS, N.M., May 14, 2013-Los Alamos National Laboratory has awarded a master task order agreement in which three small businesses will compete for environmental work worth up to $150 million over five years. The businesses each have offices in northern New Mexico. The agreement is for technical services for the Laboratory's Environmental Programs directorate and includes work such as environmental engineering design, regulatory support, risk assessment and reporting. - 2 - The companies chosen are Terranear PMC, Navarro Research and Engineering, Inc., and Adelante Consulting, Inc. The agreement is for three years with two additional one- year options. Task orders under this agreement will be competitively bid among the

28

Category:International Falls, MN | Open Energy Information  

Open Energy Info (EERE)

MN MN Jump to: navigation, search Go Back to PV Economics By Location Media in category "International Falls, MN" The following 16 files are in this category, out of 16 total. SVFullServiceRestaurant International Falls MN Northern States Power Co (Minnesota) Excel Energy.png SVFullServiceRestauran... 88 KB SVHospital International Falls MN Northern States Power Co (Minnesota) Excel Energy.png SVHospital Internation... 84 KB SVLargeHotel International Falls MN Northern States Power Co (Minnesota) Excel Energy.png SVLargeHotel Internati... 85 KB SVLargeOffice International Falls MN Northern States Power Co (Minnesota) Excel Energy.png SVLargeOffice Internat... 83 KB SVMediumOffice International Falls MN Northern States Power Co (Minnesota) Excel Energy.png

29

Energy absorption in Ni-Mn-Ga/ polymer composites  

E-Print Network (OSTI)

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 ...

Feuchtwanger, Jorge

2006-01-01T23:59:59.000Z

30

Los Alamos National Laboratory opens  

NLE Websites -- All DOE Office Websites (Extended Search)

opens new waste repackaging facility March 7, 2013 Box line facility is largest of its kind ever built LOS ALAMOS, N. M., March 7, 2013-Los Alamos National Laboratory has brought a...

31

Modelling Al and Mn in the open ocean  

E-Print Network (OSTI)

Modelling Al and Mn in the open ocean Marco van Hulten*, Alessandro Tagliabue, Jean-Claude Dutay van Hulten: Modelling Al and Mn in the open ocean 1 #12;Outline Introduction Model of aluminium Constraining dust flux Model of manganese Conclusions Marco van Hulten: Modelling Al and Mn in the open ocean 2

Haak, Hein

32

Los Alamos Appoints Interim Director  

Science Journals Connector (OSTI)

...down as director of Los Alamos National Laboratory...which operates Los Alamos for the Department of...scientists. A series of suspensions following the disappearance...rocky tenure at Los Alamos. CREDIT: JEFF GEISSLER...anonymous comments from lab employees. Last month, Sandia...

Eli Kintisch

2005-05-13T23:59:59.000Z

33

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 methodologies adequately address weapon systems total ownership cost (TOC)? S3: Are there critical cost

34

"MBUF Demo" "Mn Road Fee Test"  

E-Print Network (OSTI)

(40 mpg) Electric Vehicle (non-gas powered) State Tax * Federal Tax ** State Tax * Federal Tax"MBUF Demo" "Mn Road Fee Test" "IntelliDrive Connected Vehicles for Safety, Mobility and User Fee Overview Six Months In-Vehicle Data Collection Participant Recruited Equipment Deployed First Odometer

Minnesota, University of

35

Mn/DOT's Project Peer Review  

E-Print Network (OSTI)

Mn/DOT's Project Management Peer Review Creating a Project Management Culture 2010 CTS Research and perspectives ·Peer Review Process and Results ·Construction Industry Perspective ·Next Steps ·Q & A #12;Why a Peer Review? Why Project Management? ·Improve project delivery performance ­ on time, on budget (an

Minnesota, University of

36

Upper Los Alamos Canyon Cleanup  

NLE Websites -- All DOE Office Websites (Extended Search)

Upper Los Alamos Canyon Cleanup Upper Los Alamos Canyon Cleanup Upper Los Alamos Canyon Cleanup The Upper Los Alamos Canyon Project involves cleaning up hazardous materials left over from some of the Laboratory's earliest activities. Contact Environmental Communication & Public Involvement P.O. Box 1663 MS M996 Los Alamos, NM 87545 (505) 667-0216 Email Located along Los Alamos Canyon from 7th Street to the Pajarito Ski Hill, the Upper Los Alamos Canyon Project involves examining sites in present and former Laboratory technical areas to see if any further environmental cleanup actions are needed. If not, the Laboratory can apply to have these sites removed permanently from LANL's Hazardous Waste Permit, meaning that no further actions are needed at those sites. Among the 115 sites included in the Upper LA Canyon Project, 54 have been

37

Los busco y los encuentro en medio de mi alma  

E-Print Network (OSTI)

y los encuentro en medio de mi alma Me buscndote por ir lade Georgia ir donde te donde mi corazn vio tus ojos ms

Garca, Luis Miguel Vicente

1989-01-01T23:59:59.000Z

38

Los Alamos, New Mexico, December 14, 2009-Los Alamos National...  

NLE Websites -- All DOE Office Websites (Extended Search)

an interesting opportunity, said LANL Technology Transfer representative David Hadley."We are excited to have Biomagnetics as a commercialization partner for Los Alamos...

39

Los Alamos National Laboratory ships  

NLE Websites -- All DOE Office Websites (Extended Search)

Laboratory and its neighbors," said Michael Graham, Los Alamos's associate director for environmental programs. Through this effort, approximately 20 percent of the material at...

40

Los Alamos National Laboratory awards  

NLE Websites -- All DOE Office Websites (Extended Search)

awards subcontracts for architectural and engineering services August 28, 2009 Northern New Mexico small businesses to provide services Los Alamos, New Mexico, August 28, 2009-Six...

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Upper Los Alamos Canyon Cleanup  

NLE Websites -- All DOE Office Websites (Extended Search)

septic tanks, sanitary and industrial waste lines, storm drains, incinerators, transformer sites, and areas in which soil has been contaminated. The Upper Los Alamos Canyon...

42

Los Alamos Employee Giving Campaign  

NLE Websites -- All DOE Office Websites (Extended Search)

2.022 million to the United Way and other eligible nonprofit programs. giving thermometer showing 2014 donations Los Alamos National Security, LLC, which manages and...

43

Los Alamos in SPACE | National Security Science Magazine | Los Alamos  

NLE Websites -- All DOE Office Websites (Extended Search)

Los Alamos in SPACE Los Alamos in SPACE Since the launches of the first man-made objects (Sputnik and Explorer 1) to orbit the Earth more than a half-century ago, thousands of spacecraft have been launched, many of those carrying Los Alamos sensors and instrumentation systems. Our journey began with the research and development of a two-decade-long nuclear rocket program, Project Rover. In the 1950s, Los Alamos scientists, building on their nuclear expertise, examined new methods for rocket propulsion into space. In December 1960, in the thick of the Cold War and during negotiation of the Limited Test Ban Treaty, the Atomic Energy Commission and the National Aeronautics and Space Administration (NASA) first met to discuss a space-based system to detect nuclear explosions in the atmosphere and space. The nation turned to Los

44

Manhattan Project: Los Alamos Scientists  

Office of Scientific and Technical Information (OSTI)

Resources Resources About this Site How to Navigate this Site Library Maps Note on Sources Nuclear Energy and the Public's Right to Know Photo Gallery Site Map Sources and Notes Suggested Readings LOS ALAMOS SCIENTISTS Los Alamos (Laboratory) (August 1946) Resources > Photo Gallery Los Alamos, August 1946 Scientists attending a colloquium at Los Alamos, August 1946. Left to right, first row: Norris E. Bradbury, John H. Manley, Enrico Fermi, J. M. B. Kellogg. Second row: Robert Oppenheimer, Richard P. Feynman, Phil B. Porter. Third row: Gregory Breit (partially hidden), Arthur Hemmendinger, Arthur D. Schelberg. The photograph is courtesy Los Alamos National Laboratory. The identifications are from Richard G. Hewlett and Francis Duncan, Atomic Shield, 1947-1952: Volume II, A History of the United States Atomic Energy Commission (Washington: U.S. Atomic Energy Commission, 1972), opposite page 46.

45

Thermal Stability of MnBi Magnetic Materials. | EMSL  

NLE Websites -- All DOE Office Websites (Extended Search)

MnBi attracts great attention in recent years for its great potential as permanent magnet materials. It is unique because its coercivity increases with increasing temperature,...

46

Perpendicular ferrimagnetism in strained Mn{sub 2}As film  

SciTech Connect

Ferrimagnetic Mn{sub 2}As thin films with perpendicular magnetic anisotropy were successfully grown on Si(100) by molecular-beam epitaxy. From the reflection high-energy electron diffraction and X-ray diffraction patterns, the orientation of the Mn{sub 2}As film on Si was along the c-axis in the tetragonal crystal structure. Mn{sub 2}As film exhibited ferrimagnetic ordering at temperatures greater than 300 K, which differs from antiferromagnetic or paramagnetic behaviors in the bulk form. The magnetic moment of Mn{sub 2}As determined by saturated magnetization was 0.51 {mu}{sub B} per unit cell.

Hwang, Younghun; Choi, Jeongyong; Duc Dung, Dang; Shin, Yooleemi; Cho, Sunglae [Department of Physics, University of Ulsan, Ulsan 680-749 (Korea, Republic of)

2011-03-15T23:59:59.000Z

47

Magneto-optical studies of ensembles of semimagnetic self-organized Cd(Mn)Se/Zn(Mn)Se Quantum Dots  

SciTech Connect

Ensembles of Cd(Mn)Se/ZnSe and CdSe/Zn(Mn)Se semimagnetic self-organized quantum dots with different Mn content have been studied by photoluminescence and resonant Raman scattering under strong magnetic fields in Faraday and Voigt geometries and with spectral and polarization selective excitation. Electron spin-flip Raman scattering has been observed in Voigt geometry in the structures with large Mn content. Narrow exciton peaks completely ?{sup ?}?{sup +} polarized have been observed under selective excitation in Faraday geometry in the structures with medium and small Mn content. A number of specific effects manifested themselves in the structures with a smallest Mn content where no Zeeman shift of the photoluminescence bands was observed.

Reshina, I. I.; Ivanov, S. V.; Toropov, A. A. [Ioffe Physical Technical Institute of RAS, Polytechnicheskaya 26, 194021 St. Petersburg (Russian Federation)

2013-12-04T23:59:59.000Z

48

High-Resolution Structure of the Photosynthetic Mn4Ca Catalyst from X-ray Spectroscopy  

E-Print Network (OSTI)

the Photosynthetic Mn 4 Ca Catalyst from X-ray Spectroscopystructure of the Mn 4 Ca catalyst at high-resolution whichthe structure of Mn 4 Ca catalyst as it cycles through the

Yano, Junko

2008-01-01T23:59:59.000Z

49

Los Alamos Lab: Los Alamos Molecular Recognition Alliance  

NLE Websites -- All DOE Office Websites (Extended Search)

Los Alamos Molecular Recognition Alliance: LAMRA Los Alamos Molecular Recognition Alliance: LAMRA Home About Us Partner Divisions Bioscience Division Chemistry Division International and Applied Technology Materials Physics Applications Division Theoretical Division Researchers Customize Affinity Reagents to Recognize Diseases and Biothreat Agents Novel affinity reagents are essential in the chemical and biological detection that is at the heart of the Los Alamos National Laboratory's mission in threat reduction, as well as being at the interface between many fundamental and applied Los Alamos research programs. Affinity reagent technologies at LANL are among the most advanced worldwide, with a wide range of different technologies focused on molecular recognition and the generation of affinity reagents both developed and under development. These include different affinity reagents (antibodies, fluorescent proteins, peptides, peptoids, carbohydrates, and oligonucleotides), and different selection and screening systems.

50

Los Alamos National Laboratory names  

NLE Websites -- All DOE Office Websites (Extended Search)

new head of weapons programs December 1, 2011 LOS ALAMOS, New Mexico, December 1, 2011 - Laboratory Director Charlie McMillan today announced the selection of Bret Knapp as the new...

51

Los Alamos National Laboratory top  

NLE Websites -- All DOE Office Websites (Extended Search)

from Los Alamos, the NASA Glenn Research Center and National Security Technologies LLC (NSTec) conducted the experiment.Heat-pipe technology-a sealed tube with an internal fluid...

52

Los Alamos National Laboratory marks  

NLE Websites -- All DOE Office Websites (Extended Search)

marks 20 years without full-scale nuclear testing September 26, 2012 LOS ALAMOS, New Mexico, Sept. 26, 2012-Two decades ago the last full-scale underground test of a nuclear weapon...

53

Thermal stability of MnBi magnetic materials  

SciTech Connect

MnBi has attracted much attention in recent years due to its potential as a rare-earth-free permanent magnet material. It is unique because its coercivity increases with increasing temperature, which makes it a good hard phase material for exchange coupling nanocomposite magnets. MnBi phase is difficult to obtain, partly because the reaction between Mn and Bi is peritectic, and partly because Mn reacts readily with oxygen. MnO formation is irreversible and harmful to magnet performance. In this paper, we report our efforts toward developing MnBi permanent magnets. To date, high purity MnBi (>90%) can be routinely produced in large quantities. The produced powder exhibits 74:6 emu g1 saturation magnetization at room temperature with 9 T applied field. After proper alignment, the maximum energy product (BH) max of the powder reached 11.9 MGOe, and that of the sintered bulk magnet reached 7.8 MGOe at room temperature. A comprehensive study of thermal stability shows that MnBi powder is stable up to 473 K in air.

Cui, Jinfang [Pacific Northwest National Laboratory; Choi, J. P. [Pacific Northwest National Laboratory; Li, G. [Pacific Northwest National Laboratory; Polikarpov, E. [Pacific Northwest National Laboratory; Darsell, J. [Pacific Northwest National Laboratory; Overman, N. [Pacific Northwest National Laboratory; Olszta, M. [Pacific Northwest National Laboratory; Schreiber, D. [Pacific Northwest National Laboratory; Bowden, M. [Environmental Molecular Sciences Laboratory; Droubay, T. [Pacific Northwest National Laboratory; Kramer, Matthew J. [Ames Laboratory; Zarkevich, Nikolay A. [Ames Laboratory; Wang, L L. [Ames Laboratory; Johnson, Duane D. [Ames Laboratory; Marinescu, M. [Electron Energy Corporation; Takeuchi, I. [University of Maryland; Huang, Q. Z. [National Institute of Standards and Technology; Wu, H. [University of Maryland; Reeve, H. [United Technologies Research Center; Vuong, N. V. [University of Texas; Liu, J P. [University of Texas

2014-01-27T23:59:59.000Z

54

Chemiluminescence in the Reaction of Mn Atoms with CF4  

Science Journals Connector (OSTI)

Translational excitation functions have been determined for production of several MnF* statesb5?, c5?+, d5?, and (most probably) e5?+in the reaction of a laser-ablated beam of Mn atoms with gaseous CF4. Although all observed channels show high initial ...

Dale L. Herbertson; Martin R. Levy

1996-08-29T23:59:59.000Z

55

LOS ANGELES, CA, DISTRICT IMPROVEMENTS  

E-Print Network (OSTI)

33-1 LOS ANGELES, CA, DISTRICT IMPROVEMENTS Navigation Page 1. Channel Islands Harbor, CA 33-2 2. Imperial Beach, Silver Strand Shoreline, CA 33-2 3. LA-LB Harbors (LA Harbor), CA 33-2 4. Los Angeles Harbor Main Channel Deepen, CA 33-2 5. Marina Del Rey, CA 33-3 6. Morro Bay Harbor, CA 33-3 7. Newport

US Army Corps of Engineers

56

MN471018, Work Planning and Control Manual  

NLE Websites -- All DOE Office Websites (Extended Search)

18, Work Planning and Control Manual 18, Work Planning and Control Manual Sponsor: Michael W. Hazen, 4000 Issue Date: January 3, 2007 Revision Date: June 1, 2009 This document is no longer a CPR. This document implements the requirements of Corporate procedure ESH100.1.WPC.1, Plan and Control Work. IMPORTANT NOTICE: A printed copy of this document may not be the document currently in effect. The official version is the online version located on the Sandia Restricted Network (SRN) MN471018 - WORK PLANNING AND CONTROL MANUAL Subject Matter Expert: Brad Elkin; CA Counterpart: Aden Jackson MN471018 Revision Date: June 1, 2009; Replaces Document: October 28, 2008 Implementation Notice: The requirements outlined in this document must be incorporated into approved comprehensive organizational procedures on or before June 30, 2009. New work planned and conducted after June 30, 2009 shall be performed in accordance with this document. Ongoing work, conducted under an existing, current, and approved PHS and TWD (if required), is authorized until the expiration of the applicable PHS, TWD, or June 30, 2010.

57

LOS ALAMOS NATIONAL LABORATORY COMMUNITY LEADERS SURVEY  

NLE Websites -- All DOE Office Websites (Extended Search)

LOS ALAMOS NATIONAL LABORATORY LOS ALAMOS NATIONAL LABORATORY COMMUNITY LEADERS SURVEY SEPTEMBER 2013 LOS ALAMOS NATIONAL LABORATORY-COMMUNITY LEADERS STUDY SEPTEMBER 2013 PAGE 2 RESEARCH & POLLING, INC. TABLE OF CONTENTS I. INTRODUCTION ....................................................................................................................................................................................................................................................... 3 METHODOLOGY ................................................................................................................................................................................................................................................................ 4 EXECUTIVE SUMMARY ........................................................................................................................................................................................................................................................ 5

58

Lista de los 10 Mejores  

NLE Websites -- All DOE Office Websites (Extended Search)

Los Diez Mejores de Ahorremosgasolina Los Diez Mejores de Ahorremosgasolina EPA del 2014 EPA – Todos los Años Mundo Real – Todos los Años Falsas Ideas Ahorremosgasolina.org los Diez Mejores Considerados por la EPA como de Bajo Consumo de Combustible 2014 ¿Incluir autos eléctricos e híbridos eléctricos enchufables? Si No Los vehículos están calificados por una valoración combinada (55% ciudad y 45% carretera), después por ciudad. En el caso de un empate, varios autos compartirán el mismo lugar. 1. 2014 Chevrolet Spark EV 2014 Chevrolet Spark EV Combinadas 119 Ciudad 128/Carretera 109 Vehículo Eléctrico, Auto (A1) 2. 2014 Honda Fit EV 2014 Honda Fit EV Combinadas 118 Ciudad 132/Carretera 105 Vehículo Eléctrico, Auto (A1) 3. 2014 Fiat 500e 2014 Fiat 500e Combinadas 116 Ciudad 122/Carretera 108

59

Magnetic Moment Enhancement for Mn7 Cluster on Graphene  

SciTech Connect

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.

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

60

Reliability Technology earns prestigious Los Alamos Award  

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September 2013 Reliability Technology earns prestigious Los Alamos Award Community Connections: Your link to news and opportunities from Los Alamos National Laboratory Latest...

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Oversight Reports - Los Alamos National Laboratory | Department...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

December 13, 2013 Independent Oversight Review, Los Alamos National Laboratory - December 2013 Review of the Technical Area 55 Safety Class Fire Suppression System at Los...

62

Independent Oversight Review, Los Alamos National Laboratory...  

Office of Environmental Management (EM)

National Security and its subcontractors at Los Alamos National Laboratory, Los Alamos Neutron Science Center, and Environmental and Waste Management Operations Area G facilities....

63

Enforcement Documents - Los Alamos National Laboratory | Department...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

National Security, LLC related to a Radiological Contamination Event at the Los Alamos Neutron Science Center at Los Alamos National Laboratory April 15, 2011 Preliminary Notice of...

64

Independent Oversight Review, Los Alamos National Laboratory...  

Office of Environmental Management (EM)

Oversight Review, Los Alamos National Laboratory - July 2014 Independent Oversight Review, Los Alamos National Laboratory Chemistry and Metallurgy Research Facility - January 2012...

65

Los Alamos scientists advance biomass fuel production  

NLE Websites -- All DOE Office Websites (Extended Search)

Los Alamos scientists advance biomass fuel production Community Connections: Your link to news and opportunities from Los Alamos National Laboratory Latest Issue: Dec. 2014 - Jan....

66

Independent Activity Report, Los Alamos National Laboratory ...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Alamos National Laboratory - April 2010 April 2010 Los Alamos Site Office Assessment of Fire Protection Activities at the Los Alamos National Laboratory The U.S. Department of...

67

Independent Oversight Inspection, Los Alamos National Laboratory...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Oversight Inspection, Los Alamos National Laboratory - November 2005 Inspection of Environment, Safety, and Health Programs at the Los Alamos National Laboratory This report...

68

Los Angeles Data Dashboard | Department of Energy  

Energy Savers (EERE)

Data Dashboard Los Angeles Data Dashboard The data dashboard for Los Angeles, a partner in the Better Buildings Neighborhood Program. bbnpbban0003562pmcdashboardy13-q3.xls...

69

Los Alamos National Laboratory top  

NLE Websites -- All DOE Office Websites (Extended Search)

top top science news of 2012 December 20, 2012 Scientific advances that caught the world's interest LOS ALAMOS, NEW MEXICO, December 20, 2012-In 2012 Los Alamos National Laboratory made its scientific mark in a wide variety of areas, and the stories that caught the public's attention and that of the science community reflect those broad capabilities. Top science stories for the year traveled from the canyons of Mars to the high desert forests of New Mexico, from cosmic particles to the structure of proteins and enzymes. Computer models of wildfires, and nuclear magnetic resonance signatures of plutonium, it all was fascinating for those following Los Alamos' science news. - 2 - Mars Science Laboratory Curiosity rover and ChemCam 2:12 ChemCam rock laser for the Mars Science Laboratory

70

Los Alamos Employees' Scholarship Fund  

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Commitment » Commitment » Los Alamos Employees' Scholarship Fund Los Alamos Employees' Scholarship Fund The LAESF campaign raises funds for scholarships that support students from Northern New Mexico who are pursuing four-year undergraduate degrees in fields that will serve the region. June 13, 2012 Scholarship winner and Lab Director Scholarship winner Micaela Lucero and Lab Director Charlie McMillan Contact Giving Campaigns & Volunteering Debbi Wersonick Community Programs Office (505) 667-7870 Email LANL Foundation (505) 753-8890 Email Helping area students pay for college During the 2013 campaign, our employees donated a record-breaking $313,000 that, with the LANS match, resulted in more than $563,000 for scholarships. About the Scholarship Program In 1998, Los Alamos National Laboratory (LANL) and its employees, retirees

71

Sinovectomas de los extensores y de los flexores  

Science Journals Connector (OSTI)

Las sinovectomas de los tendones, se realicen sobre flexores o extensores, se necesitan frecuentemente en la mano y la mueca; por ello merecen un buen conocimiento, no solamente de las indicaciones quirrgicas, sino igualmente de sus tcnicas de realizacin. Dichas sinovectomas pueden ser aisladas, en cuyo caso se realizan sobre un tendn o un grupo de tendones afectados por un trastorno mecnico o inflamatorio puntual. El tratamiento generalmente permite resolver definitivamente el problema, aunque para ello a veces se requiere la asociacin de alguna maniobra quirrgica con el fin de suprimir la causa de la irritacin tenosinovial. En el resto de los casos las sinovectomas de los tendones extensores y flexores entran en el cuadro de patologas inflamatorias ms generalizadas, como la poliartritis reumatoide, que asocia a la afectacin tenosinovial una afectacin osteoarticular, o lesiones tendinosas a veces complejas, y por lo tanto ms extensas. La sinovectoma se incluye as en una estrategia quirrgica ms amplia que tiene como objetivo resolver en un mismo tiempo quirrgico, por un abordaje dorsal o palmar, todos los problemas provocados por la patologa original, lo que implica un buen conocimiento, no solamente de las tcnicas de sinovectoma, sino tambin de las maniobras asociadas, seas o de reparacin tendinosa.

E. Roulot; M. Ebelin

2009-01-01T23:59:59.000Z

72

Unusual Structure and Magnetism in MnO Nanoclusters  

E-Print Network (OSTI)

We report an unusual evolution of structure and magnetism in stoichiometric MnO clusters based on an extensive and unbiased search through the potential energy surface within density functional theory. The smaller clusters, containing up to five MnO units, adopt two-dimensional structures; and regardless of the size of the cluster, magnetic coupling is found to be antiferromagnetic in contrast to previous theoretical findings. Predicted structure and magnetism are strikingly different from the magnetic core of Mn-based molecular magnets, whereas they were previously argued to be similar. Both of these features are explained through the inherent electronic structures of the clusters.

Ganguly, Shreemoyee; Sanyal, Biplab; Mookerjee, Abhijit; 10.1103/PhysRevB.83.020411

2011-01-01T23:59:59.000Z

73

Parallel Polarization EPR Characterization of the Mn(III) Center of Oxidized Manganese Superoxide  

E-Print Network (OSTI)

Parallel Polarization EPR Characterization of the Mn(III) Center of Oxidized Manganese Superoxide polarization CW-EPR to investigate the paramagnetic Mn3+ ion of the MnSOD enzyme from Escherichia coli with a positive axial zero-field splitting value, D, are arranged as shown in Figure 1. An EPR signal from the Mn

Miller, Anne-Frances

74

Manhattan Project: Los Alamos Street Scene  

Office of Scientific and Technical Information (OSTI)

LOS ALAMOS STREET SCENE LOS ALAMOS STREET SCENE Los Alamos (The Town) Resources > Photo Gallery Los Alamos street scene. Fuller Lodge and the "Big House" are visible in the distance (see below). Above is a view of Los Alamos (looking north). In the distance, Fuller Lodge and the "Big House" are visible to the left and right, respectively (see below). The photograph is reproduced from Los Alamos Scientific Laboratory, Los Alamos: Beginning of an Era, 1943-1945 (Los Alamos: Public Relations Office, Los Alamos Scientific Laboratory, ca. 1967-1971), 13. The labels and "close-ups" below were made by the Office of History and Heritage Resources. Los Alamos street scene (labeled) Close-up of Fuller Lodge Close-up of the "Big House" Click on a link below to return to:

75

Band-structure analysis from photoreflectance spectroscopy in (Ga,Mn)As  

SciTech Connect

Modulation photoreflectance spectroscopy has been applied to study the band-structure evolution in (Ga,Mn)As epitaxial layers with increasing Mn content. Structural and magnetic properties of the layers were characterized with high-resolution X-ray diffractometry and SQUID magnetometery, respectively. The revealed results of decrease in the band-gap-transition energy in the (Ga,Mn)As layers with increasing Mn content are interpreted in terms of a disordered valence band, extended within the band gap, formed, in highly Mn-doped (Ga,Mn)As, as a result of merging the Mn-related impurity band with the host GaAs valence band.

Yastrubchak, Oksana; Gluba, Lukasz; Zuk, Jerzy [Institute of Physics, Maria Curie-Sklodowska University, 20-031 Lublin (Poland); Wosinski, Tadeusz; Andrearczyk, Tomasz; Domagala, Jaroslaw Z. [Institute of Physics, Polish Academy of Sciences, 02-668 Warsaw (Poland); Sadowski, Janusz [Institute of Physics, Polish Academy of Sciences, 02-668 Warsaw, Poland and MAX-Lab, Lund University, 22100 Lund (Sweden)

2013-12-04T23:59:59.000Z

76

DOE - Office of Legacy Management -- Twin Cities Ammunition - MN 0-01  

NLE Websites -- All DOE Office Websites (Extended Search)

Twin Cities Ammunition - MN 0-01 Twin Cities Ammunition - MN 0-01 FUSRAP Considered Sites Site: TWIN CITIES AMMUNITION (MN.0-01) Eliminated from further consideration under FUSRAP - Referred to DOD Designated Name: Not Designated Alternate Name: None Location: New Brighton , Minnesota MN.0-01-1 Evaluation Year: 1987 MN.0-01-2 Site Operations: Site was formerly licensed under 10CFR 70 by the NRC. MN.0-01-1 MN.0-01-2 Site Disposition: Eliminated - No Authority - Referred to DOD MN.0-01-1 Radioactive Materials Handled: None Indicated Primary Radioactive Materials Handled: None Radiological Survey(s): None Indicated Site Status: Eliminated from further consideration under FUSRAP - Referred to DOD MN.0-01-2 Also see Documents Related to TWIN CITIES AMMUNITION MN.0-01-1 - DOE Letter; Mott to Spence; Listings of Military

77

LOS MORADOS BUILDING REPORT VII  

E-Print Network (OSTI)

LOS MORADOS BUILDING REPORT VII N. Fazzini January 25 to February 18, 2004 This period is very exciting because the work below ground level is finished, and the building is starting to grow very fast is show the building, after the forms have been removed. The height of the shutters wall is +1.40 meters

78

Luminescence in Mn-doped CdS nanocrystals  

Science Journals Connector (OSTI)

We have synthesized Mn-doped CdS nanocrystals (NCs) with size ranging from ... nm. Photoluminescence (PL) spectra of the doped NCs differ from that of the undoped...d-d...transitions. Electron paramagnetic resona...

Angshuman Nag; Sameer Sapra; Subhra Sen Gupta

2008-06-01T23:59:59.000Z

79

Transverse acoustic actuation of Ni-Mn-Ga single crystals  

E-Print Network (OSTI)

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. ...

Simon, Jesse Matthew

2007-01-01T23:59:59.000Z

80

Noyes, MN Natural Gas Pipeline Imports From Canada (Million Cubic...  

Annual Energy Outlook 2012 (EIA)

data. Release Date: 1302015 Next Release Date: 2272015 Referring Pages: U.S. Natural Gas Pipeline Imports by Point of Entry Noyes, MN Natural Gas Imports by Pipeline from...

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Magnetic Skyrmion Phase in MnSi Thin Films.  

E-Print Network (OSTI)

??Detailed magnetometry and polarized neutron reflectometry studies were conducted on MnSi thin films grown epitaxially on Si(111) substrates. It is demonstrated that with an in-plane (more)

Wilson, Murray

2013-01-01T23:59:59.000Z

82

Change in stacking-fault energy with Mn content and its influence on the damping capacity of the austenitic phase in Fe-high Mn alloys  

Science Journals Connector (OSTI)

The effect of Mn content on the damping capacity of ? austenitic ... been studied in relation to the stacking-fault energy ( SFE), on the basis of ... austenite decreases with the increase in the Mn content. The ...

Joong-Hwan Jun; Chong-Sool Choi

83

Los Alamos National Laboratory | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos National Laboratory Los Alamos National Laboratory Los Alamos National Laboratory Los Alamos National Laboratory | September 2006 Aerial View Los Alamos National Laboratory | September 2006 Aerial View Los Alamos National Laboratory's (LANL) primary mission is to provide scientific and engineering support to national security programs. LANL performs R&D, design, maintenance, and testing in support of the nuclear weapons stockpile. LANL also performs theoretical and applied R&D in such areas as materials science, physics, environmental science, energy, and health. Enforcement February 12, 2013 Enforcement Letter, NEL-2013-02 Issued to Los Alamos National Security, LLC related to a Radiological Contamination Event at the Los Alamos Neutron Science Center at Los Alamos National Laboratory

84

Magnetoluminescence of CdTe/MnTe/CdMgTe heterostructures with ultrathin MnTe layers  

SciTech Connect

CdTe/MnTe/CdMgTe quantum-well structures with one or two monolayers of MnTe inserted at CdTe/CdMgTe interfaces were fabricated. The spectra of the excitonic luminescence from CdTe quantum wells and their variation with temperature indicate that introduction of ultrathin MnTe layers improves the interface quality. The effect of a magnetic field in the Faraday configuration on the spectral position of the exciton-emission peaks indicates that frustration of magnetic moments in one-monolayer MnTe insertions is weaker than in two-monolayer insertions. The effect of a magnetic field on the exciton localization can be explained in terms of the exciton wave-function shrinkage and obstruction of the photoexcited charge-carrier motion in the quantum well.

Agekyan, V. F., E-mail: vfag@rambler.ru [St. Petersburg State University, Fock Institute of Physics (Russian Federation); Holz, P. O. [Polish Academy of Sciences, Institute of Physics (Poland); Karczewski, G. [Linkoeping University (Sweden); Katz, V. N. [St. Petersburg State University, Fock Institute of Physics (Russian Federation); Moskalenko, E. S. [Russian Academy of Sciences, Ioffe Physical Technical Institute (Russian Federation); Serov, A. Yu.; Filosofov, N. G. [St. Petersburg State University, Fock Institute of Physics (Russian Federation)

2011-10-15T23:59:59.000Z

85

LOS ALAMOS, NEW MEXICO, July 17, 2012-Two Los Alamos National...  

NLE Websites -- All DOE Office Websites (Extended Search)

could pave way for vaccine development July 17, 2012 Los Alamos scientists among Duke-led consortium LOS ALAMOS, NEW MEXICO, July 17, 2012-Two Los Alamos National Laboratory...

86

LOS ALAMOS, New Mexico, April 22, 2011-Los Alamos National Laboratory...  

NLE Websites -- All DOE Office Websites (Extended Search)

Say hello to cheaper hydrogen fuel cells April 22, 2011 Los Alamos scientists document utility of non- precious-metal catalysts LOS ALAMOS, New Mexico, April 22, 2011-Los Alamos...

87

Comparison of the EXAFS Spectra of Heteronuclear MnCa/Sr Model Complexes to the Oxygen-Evolving Mn(4)Ca Complex of Photosystem II  

SciTech Connect

Heterometallic Mn-Ca and Mn-Sr complexes have been prepared and employed as model complexes for Ca and Sr EXAFS spectral comparisons with the Oxygen-Evolving Complex (OEC) of Photosystem II (PS II); these have revealed similarities that support the presence of at least one O atom bridge between the Mn and Ca/Sr in the OEC.

Mishra, A.; Yano, J.; Pushkar, Y.; Abboud, K.A.; Yachandra, V.K.; Christou, G.

2009-06-03T23:59:59.000Z

88

PVP-Assisted ZrO2 coating on LiMn2O4 spinel cathode nanoparticles prepared by MnO2 nanowire templates  

E-Print Network (OSTI)

issues regarding the use of LiMn2O4 spi- nels as cathode materials is their large capacity loss observed active material. However, enhanced rate capabilities can be achieved in nanostructured materials becausePVP-Assisted ZrO2 coating on LiMn2O4 spinel cathode nanoparticles prepared by MnO2 nanowire

Cho, Jaephil

89

Catalytic Properties of MnO, Fe2O3, and MnFe2O4 in the Steam Reforming of Ethanol  

Science Journals Connector (OSTI)

The catalytic activity of manganese ferrite MnFe2O4 and the oxides MnO and Fe2O3 in the steam reforming of ethanol (SRE) has been studied. The similarity...2O3 and MnFe2O4 has been established which may indicate ...

L. Yu. Dolgykh; I. L. Stolyarchuk; L. A. Staraya

2014-09-01T23:59:59.000Z

90

Los Alamos National Laboratory RSS  

NLE Websites -- All DOE Office Websites (Extended Search)

RSS Feed RSS Feed Los Alamos National Laboratory RSS Really Simple Syndication feeds providing LANL workers with news directly to your desktop. Los Alamos National Laboratory RSS Subscribe to LANL's RSS (Really Simple Syndication) feeds to get news delivered directly to your desktop! In addition to the feeds listed here, look for the small red feed icons across the site, or the orange auto-discovery icon in your browser bar, to subscribe to other feeds from www.lanl.gov. To view one of the LANL feeds in your RSS Aggregator (About RSS Aggregators): 1. Copy the URL/shortcut that corresponds to the topic that interests you. 2. Paste the URL into your reader. Title Copy URLs to RSS Reader Top Stories http://www.lanl.gov/newsroom/news-stories/index.rss New Releases http://www.lanl.gov/newsroom/news-releases/index.rss

91

LOS ALAMOS, N.M., Oct. 17, 2012-Researchers from Los Alamos National  

NLE Websites -- All DOE Office Websites (Extended Search)

nuclear material. - 2 - "Within weeks of the disastrous 2011 tsunami, Los Alamos' Muon Radiography Team began investigating use of Los Alamos' muon scattering method to...

92

LOS ALAMOS, New Mexico, August 28, 2008-Physicists at Los Alamos...  

NLE Websites -- All DOE Office Websites (Extended Search)

Magnetism and superconductivity observed to exist in harmony August 28, 2008 LOS ALAMOS, New Mexico, August 28, 2008-Physicists at Los Alamos National Laboratory, along with...

93

Los Alamos National Laboratory | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos National Laboratory Los Alamos National Laboratory Los Alamos National Laboratory Los Alamos National Laboratory At Los Alamos National Laboratory, $94 million in Recovery Act funding is being used to clean up the Lab’s oldest waste disposal site, Material Disposal Area B (MDA-B), which was used from 1944 to 1948 At Los Alamos National Laboratory, $94 million in Recovery Act funding is being used to clean up the Lab's oldest waste disposal site, Material Disposal Area B (MDA-B), which was used from 1944 to 1948 Employees load transuranic waste into a shipping container at Vallecitos Nuclear Center Employees load transuranic waste into a shipping container at Vallecitos Nuclear Center Los Alamos National Laboratory At Los Alamos National Laboratory, $94 million in Recovery Act funding is being used to clean up the Lab's oldest waste disposal site, Material Disposal Area B (MDA-B), which was used from 1944 to 1948

94

Physics Division: Los Alamos National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

Jeanette Gray Division Office TA-53, Building 0001, Room A228 (505) 667-4117 Physics Links Jobs in Physics Human Resources Working at Los Alamos Los Alamos resources...

95

CRAD, Environmental Protection - Los Alamos National Laboratory...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

National Laboratory Waste Characterization, Reduction, and Repackaging Facility CRAD, Fire Protection - Los Alamos National Laboratory Waste Characterization, Reduction, and...

96

CRAD, Radiological Controls - Los Alamos National Laboratory...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

National Laboratory Waste Characterization, Reduction, and Repackaging Facility CRAD, Fire Protection - Los Alamos National Laboratory Waste Characterization, Reduction, and...

97

Independent Oversight Review, Los Alamos National Laboratory...  

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

Laboratory Chemistry and Metallurgy Research Facility - January 2012 Independent Oversight Review, Los Alamos National Laboratory Chemistry and Metallurgy Research Facility -...

98

Adsorption and Oxidation of Elemental Mercury over Ce-MnOx/Ti-PILCs  

Science Journals Connector (OSTI)

A series of innovative CeMn/Ti-pillared-clay (CeMn/Ti-PILC) catalysts combining the advantages of PILCs and CeMn were investigated for elemental mercury (Hg0) capture at 100350 C in the absence of HCl in the flue gas. ... The catalyst characterization indicated that the 6%Ce-6%MnOx/Ti-PILC catalyst possessed a large specific surface area and high dispersion of Ce and Mn on the surface. ... The experimental results indicated that the 6%Ce-6%MnOx/Ti-PILC catalyst exhibited high Hg0 capture (>90%) at 100350 C. ...

Chuan He; Boxiong Shen; Jianhong Chen; Ji Cai

2014-06-23T23:59:59.000Z

99

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

SciTech Connect

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.

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 Universit, BP 239, 54506 Vandoeuvre (France)

2014-04-07T23:59:59.000Z

100

Los Alamos racquetball contamination incident  

SciTech Connect

Several employees of the Los Alamos Plutonium Facility were found to have low levels of radioactivity on their hands and clothing when they arrived for work one morning. The initial concern was that the stringent contamination or material controls at the facility had failed, and that one or more of the employees had either accidentally or intentionally removed plutonium from the Laboratory premises. Fortunately, however, an investigation revealed that the source of the radioactivity was radon daughters electrostatically collected upon the surface of the racquetball and transferred by physical contact to the employees during an early morning racquetball game. This paper describes the events leading to the discovery of this phenomenon. 1 figure.

McAtee, J.L.; Stafford, R.G.; Dowdy, E.J.; Prestwood, R.J.

1985-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
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We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

New phases in the system LiMnVO{sub 4}-Mn{sub 3}(VO{sub 4}){sub 2}  

SciTech Connect

The synthesis of orthorhombic Mn{sub 3}(VO{sub 4}){sub 2} via a simple solid state route as well as the description of a new tetragonal high temperature phase are reported in this paper. Additionally, the system LiMnVO{sub 4}-Mn{sub 3}(VO{sub 4}){sub 2} (=Mn{sub 1.5}VO{sub 4}), described by the formula Li{sub x}Mn{sub 1.5-x/2}VO{sub 4}, is investigated in detail, showing that substitution of one Mn{sup 2+} in Mn{sub 1.5}VO{sub 4} by two Li{sup +} ions favors the formation of the tetragonal high temperature phase for x{<=}0.22. This substitution is facilitated by the statistical half occupancy of the 4b site by Mn{sup 2+} in tetragonal Mn{sub 1.5}VO{sub 4}, whereas additional crystallographic sites would have to be occupied in the orthorhombic phase. The inverse substitution of Li by Mn in orthorhombic LiMnVO{sub 4} is also shown to be possible in the range 0.72{<=}x{<=}1. For 0.22{<=}x{<=}0.72, there is a large miscibility gap with a two phase mixture of the tetragonal Mn{sub 1.5}VO{sub 4} type and orthorhombic LiMnVO{sub 4} type phases. - Graphical Abstract: The unusual coordination of Mn in the form of a stella quadrangula with the surrounding vanadate groups. Highlights: > First synthesis of orthorhombic Mn{sub 3}(VO{sub 4}){sub 2} via a simple solid state route. > The crystal chemistry of the phases involved is rather complicated and it depends on the amount of Li that is incorporated. > System LiMnVO{sub 4}-Mn{sub 3}(VO{sub 4}){sub 2} (=Mn{sub 1.5}VO{sub 4}), described by the formula Li{sub x}Mn{sub 1.5-x/2}VO{sub 4}, is investigated in detail.

Clemens, Oliver [Universitaet des Saarlandes, Institut fuer Anorganische und Analytische Chemie und Radiochemie, Am Markt, Zeile 5, 66125 Saarbruecken (Germany); Haberkorn, Robert [Universitaet des Saarlandes, Anorganische Festkoerperchemie, Am Markt, Zeile 3, 66125 Saarbruecken (Germany); Beck, Horst Philipp, E-mail: hp.beck@mx.uni-saarland.de [Universitaet des Saarlandes, Institut fuer Anorganische und Analytische Chemie und Radiochemie, Am Markt, Zeile 5, 66125 Saarbruecken (Germany)

2011-10-15T23:59:59.000Z

102

Los Angeles Summary of Reported Data | Department of Energy  

Energy Savers (EERE)

Summary of Reported Data Los Angeles Summary of Reported Data Summary of data reported by Better Buildings Neighborhood Program partner Los Angeles. Los Angeles Summary of Reported...

103

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

DOE Patents (OSTI)

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.

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

1987-01-01T23:59:59.000Z

104

LANL:CPO: Los Alamos National Laboratory Impacts and Investments in Los Alamos County  

NLE Websites -- All DOE Office Websites (Extended Search)

Los Alamos National Laboratory Impacts and Investments in Los Alamos County Los Alamos National Laboratory Impacts and Investments in Los Alamos County LA-UR 11-02574 (4/25/13) Los Alamos National Laboratory Impacts and Investments in Los Alamos County Los Alamos County is home to 3,772 LANL employees and contractors. As of February 2013, $414,431,455 in annual base salaries was being paid to LANL employees (excluding contractors and craft employees) in Los Alamos County. In FY12, LANL purchased $193,827,533 in products and services from Los Alamos County businesses. Los Alamos is one of seven northern New Mexico counties identified in the Lab's maintenance and operations contract with NNSA that is targeted for education, economic development, and charitable giving programs through the LANS, LLC Community Commitment Plan.

105

Origin of the charge gap in LaMnPO  

Science Journals Connector (OSTI)

We present high temperature inelastic neutron scattering and magnetic susceptibility measurements of the antiferromagnetic insulator LaMnPO that are consistent with the presence of two-dimensional magnetic correlations up to a temperature Tmax?700K?TN=375 K, the Nel temperature. Optical transmission measurements show the T=300 K direct charge gap ?=1 eV has decreased only marginally by 500 K and suggest it decreases by only 10% at Tmax. Density functional theory and dynamical mean-field theory calculations reproduce a direct charge gap in paramagnetic LaMnPO only when a strong Hund's coupling JH=0.9 eV is included, as well as on-site Hubbard U=8 eV. Our results show that LaMnPO is a Mott-Hund's insulator, in which the charge gap is rather insensitive to antiferromagnetic exchange coupling.

D. E. McNally; J. W. Simonson; K. W. Post; Z. P. Yin; M. Pezzoli; G. J. Smith; V. Leyva; C. Marques; L. DeBeer-Schmitt; A. I. Kolesnikov; Y. Zhao; J. W. Lynn; D. N. Basov; G. Kotliar; M. C. Aronson

2014-11-18T23:59:59.000Z

106

MN471004, Electrical Safety Manual Sponsor: Michael W. Hazen, 4000  

NLE Websites -- All DOE Office Websites (Extended Search)

MN471004, Electrical Safety Manual MN471004, Electrical Safety Manual Sponsor: Michael W. Hazen, 4000 Revision Date: June 9, 2011 Replaces Document Dated: September 4, 2007 This document is no longer a CPR. This document implements the requirements of Corporate Procedure ESH100.2.ELC.1, Manage Electrical Hazards. IMPORTANT NOTICE: A printed copy of this document may not be the document currently in effect. The official version is the online version located on the Sandia Restricted Network (SRN). Subject Matter Experts: Marc Williams and David Paoletta MN471004, Issue S Revision Date: June 9, 2011; Replaces Document Dated: April 29, 2008 Review Date: August 29, 2007 Administrative Changes: February 5, 2008, June 28, 2010, July 28, 2010, May 26, 2011, June 9, 2011, November 28, 2011, February 1, 2012

107

Effect of Composition and Heat Treatment on MnBi Magnetic Materials...  

NLE Websites -- All DOE Office Websites (Extended Search)

Abstract: The metallic compound MnBi is a promising rare-earth-free permanent magnet material. Compare to other rare-earth-free candidates, MnBi stands out for its high...

108

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

NLE Websites -- All DOE Office Websites (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...

109

Pulsed laser deposition of Mn doped CdSe quantum dots for improved solar cell performance  

SciTech Connect

In this work, we demonstrate (1) a facile method to prepare Mn doped CdSe quantum dots (QDs) on Zn{sub 2}SnO{sub 4} photoanodes by pulsed laser deposition and (2) improved device performance of quantum dot sensitized solar cells of the Mn doped QDs (CdSe:Mn) compared to the undoped QDs (CdSe). The band diagram of photoanode Zn{sub 2}SnO{sub 4} and sensitizer CdSe:Mn QD is proposed based on the incident-photon-to-electron conversion efficiency (IPCE) data. Mn-modified band structure leads to absorption at longer wavelengths than the undoped CdSe QDs, which is due to the exchange splitting of the CdSe:Mn conduction band by the Mn dopant. Three-fold increase in the IPCE efficiency has also been observed for the Mn doped samples.

Dai, Qilin; Wang, Wenyong, E-mail: wwang5@uwyo.edu, E-mail: jtang2@uwyo.edu; Tang, Jinke, E-mail: wwang5@uwyo.edu, E-mail: jtang2@uwyo.edu [Department of Physics and Astronomy, University of Wyoming, Laramie, Wyoming 82071 (United States); Sabio, Erwin M. [Department of Chemistry, University of Wyoming, Laramie, Wyoming 82071 (United States)

2014-05-05T23:59:59.000Z

110

Mn12-acetate thin film patterns and their interaction with superconductors  

E-Print Network (OSTI)

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...

Kim, Kyongwan

2009-05-15T23:59:59.000Z

111

Synthesis, structural and photocatalytic studies of Mn-doped CdS nanoparticles  

Science Journals Connector (OSTI)

Mn-doped CdS nanoparticles (Cd1?x Mn x S; where x...=0.000.10) were synthesized by a chemical precipitation method. The synthesized products were characterized ...

Ruby Chauhan; Ashavani Kumar; Ram Pal Chaudhary

2013-02-01T23:59:59.000Z

112

LiMnPO4 Nanoplate Grown via Solid-State Reaction in Molten Hydrocarbon...  

NLE Websites -- All DOE Office Websites (Extended Search)

LiMnPO4 Nanoplate Grown via Solid-State Reaction in Molten Hydrocarbon for Li-ion Battery Cathode. LiMnPO4 Nanoplate Grown via Solid-State Reaction in Molten Hydrocarbon for Li-ion...

113

Engineering the magnetic properties of the Mn13 cluster by doping  

E-Print Network (OSTI)

With a goal to produce a giant magnetic moment in a Mn13 cluster that will be useful for practical applications, we have considered the structure and magnetic properties of a pure Mn13 cluster and substitutionally doped ...

Datta, Soumendu

114

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

E-Print Network (OSTI)

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

Zeng, Li

2010-01-01T23:59:59.000Z

115

Geometric and Electronic Structures of Tc and Mn Clusters by Density Functional Calculations  

Science Journals Connector (OSTI)

The geometric structures of Tc2-Tc5 and Mn2-Mn8 clusters were optimized by the Amsterdam density functional method. The trimeric, tetrameric, and pentameric Tc clusters exhibit the equilibrium structures of isosc...

R. Sekine; R. Kondo; T. Yamamoto; J. Onoe

2003-05-01T23:59:59.000Z

116

X-ray absorption study of the electronic structure of Mn-doped amorphous Si  

E-Print Network (OSTI)

X-ray absorption study of the electronic structure of Mn-?x ) is studied by X-ray absorption spectroscopy at the Mn Land featureless L 3,2 absorption peaks, corresponding to an

Zeng, Li

2008-01-01T23:59:59.000Z

117

Building of a Novel Mn12 Single Molecule Magnet by Assembly of...  

NLE Websites -- All DOE Office Websites (Extended Search)

Building of a Novel Mn12 Single Molecule Magnet by Assembly of Anisotropic Triangles Building of a Novel Mn12 Single Molecule Magnet by Assembly of Anisotropic Triangles Print...

118

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

E-Print Network (OSTI)

der Laan,8 C. T. Foxon,2 and B. L. Gallagher2 1Institute of Physics ASCR, Cukrovarnick? 10, 162 53 Praha 6, Czech Republic 2School of Physics and Astronomy, University of Nottingham, Nottingham NG7 2RD, United Kingdom 3Institute of Physics ASCR, Na... is organized as follows. In Sec. II we identify the key physical considerations related to ground-state mag- netization of #1;Ga,Mn#2;As ferromagnets by focusing first on a single Mn#1;d5+hole#2; complex and approximating the total magnetization...

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

119

Structure and luminescence of annealed nanoparticles of ZnS:Mn A. D. Dinsmore,a)  

E-Print Network (OSTI)

,10 Y2O3:Eu,11­13 LaPO4:Eu, Ce and Tb,14 CdS:Mn,15 CdSe:Mn,16 ZnS:Cu,17 ZnS:Tb,18 and ZnS:Mn,19­32 which temperatures5,6 and pressures.7,8 In addition to their funda- mental interest, doped semiconductor describe experimental studies of the structure and luminescence of nanoparticles of ZnS doped with Mn

Dinsmore, Tony

120

Novel frustrated magnetic lattice based on triangular [Mn3(m3-F)] clusters with tetrazole ligands{  

E-Print Network (OSTI)

Novel frustrated magnetic lattice based on triangular [Mn3(m3-F)] clusters with tetrazole ligands701840a Unprecedented [MnII 3(m3-F)(m-N­N)3] triangular clusters with tetrazole ligands are linked by Mn the tetrazolate ligands, which possess additional N-donor sites for network formation. To our knowledge, [M3(m3-X

Gao, Song

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

MnO nanorods on graphene as an anode material for high capacity lithium ion batteries  

Science Journals Connector (OSTI)

The MnO/graphene hybrid nanocomposites were prepared by an in...2 nanorods were attached on the graphene oxides (GOs) to form the MnO2.../GO nanocomposites, which were reduced to the MnO/graphene hybrid under arg...

Tonghua Wu; Feiyue Tu; Suqin Liu; Shuxin Zhuang

2014-02-01T23:59:59.000Z

122

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

SciTech Connect

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).

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

2009-06-01T23:59:59.000Z

123

Materials Research for Environment and Energy Hydrogen Embrittlement in Fe-Mn-C  

E-Print Network (OSTI)

Materials Research for Environment and Energy - 1 - Hydrogen Embrittlement in Fe-Mn-C High Strength. Dierk RAABE (MPIE) #12;Materials Research for Environment and Energy - 5 - High Mn austenitic steels twinning. #12;Materials Research for Environment and Energy - 9 - However, high Mn steels undergo premature

Cambridge, University of

124

Los Alamos Lab: MPA: Organization  

NLE Websites -- All DOE Office Websites (Extended Search)

MPA Groups MPA Groups MPA-CINT | MPA-CMMS | MPA-STC | MPA-11 | MPA-MC Center for Integrated Nanotechnologies: MPA-CINT is a Department of Energy/Office of Science Nanoscale Science Research Center (NSRC) operating as a national user facility devoted to the establishment and leadership of a scientific community dedicated to nanoscience integration challenges. CINT is one of five NSRCs throughout the U.S. that form an integrated national program, affiliated with major facilities at the DOE's National Laboratories, to cover the diverse aspects of nanoscience and technology. In addition to CINT's Gateway to Los Alamos Facility, the center provides open access to tools and expertise needed to explore the continuum from scientific discovery to the integration of nanostructures into the micro and macro world through its core facility in Albuquerque.

125

Los Alamos National Laboratory - Reports  

NLE Websites -- All DOE Office Websites (Extended Search)

DOE Nuclear Safety Home Nuclear Sites Map Nuclear Sites List › Argonne National Laboratory › East Tennessee Technology Park › Hanford › Idaho Site › Los Alamos National Laboratory › Lawrence Livermore National Laboratory › Nevada National Security Site › New Brunswick Laboratory › Oak Ridge National Laboratory › Paducah › Pantex › Pacific Northwest National Laboratory › Portsmouth Gaseous Diffusion Plant › Sandia National Laboratories › Savannah River Site › Waste Isolation Pilot Plant › West Valley Demonstration Project › Y-12 National Security Complex HSS Reports - Enforcement - Corporate Safety Analysis Fire Protection DOELAP - Safety and Emergency Management Evaluations Safety Basis Information System Office of Corporate Safety Analysis

126

Los Alamos PC estimating system  

SciTech Connect

The Los Alamos Cost Estimating System (QUEST) is being converted to run on IBM personal computers. This very extensive estimating system is capable of supporting cost estimators from many different and varied fields. QUEST does not dictate any fixed method for estimating. QUEST supports many styles and levels of detail estimating. QUEST can be used with or without data bases. This system allows the estimator to provide reports based on levels of detail defined by combining work breakdown structures. QUEST provides a set of tools for doing any type of estimate without forcing the estimator to use any given method. The level of detail in the estimate can be mixed based on the amount of information known about different parts of the project. The system can support many different data bases simultaneously. Estimators can modify any cost in any data base.

Stutz, R.A.; Lemon, G.D.

1987-01-01T23:59:59.000Z

127

Los Alamos National Security LLC Selected to Manage Los Alamos National  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos National Security LLC Selected to Manage Los Alamos Los Alamos National Security LLC Selected to Manage Los Alamos National Laboratory Los Alamos National Security LLC Selected to Manage Los Alamos National Laboratory December 21, 2005 - 4:51pm Addthis WASHINGTON, D.C. - Secretary of Energy Samuel W. Bodman announced today that Los Alamos National Security LLC has been selected to be the management and operations contractor for Los Alamos National Laboratory in New Mexico. Los Alamos National Security LLC is a limited liability corporation made up of Bechtel National, Inc., the University of California, BWX Technologies, Inc., and the Washington Group International, Inc. The laboratory, one of three National Nuclear Security Administration (NNSA) nuclear weapons laboratories, performs sensitive national security

128

Cationic disorder and Mn{sup 3+}/Mn{sup 4+} charge ordering in the B? and B? sites of Ca{sub 3}Mn{sub 2}NbO{sub 9} perovskite: a comparison with Ca{sub 3}Mn{sub 2}WO{sub 9}  

SciTech Connect

We describe the preparation, crystal structure determination, magnetic and transport properties of two novel Mn-containing perovskites, with a different electronic configuration for Mn atoms located in B site. Ca{sub 3}Mn{sup 3+}{sub 2}WO{sub 9} and Ca{sub 3}Mn{sup 3+/4+}{sub 2}NbO{sub 9} were synthesized by standard ceramic procedures; the crystallographic structure was studied from X-ray powder diffraction (XRPD) and neutron powder diffraction (NPD). Both phases exhibit a monoclinic symmetry (S.G.: P2{sub 1}/n); Ca{sub 3}Mn{sub 2}WO{sub 9} presents a long-range ordering over the B sites, whereas Ca{sub 3}Mn{sub 2}NbO{sub 9} is strongly disordered. By in-situ NPD, the temperature evolution of the structure study presents an interesting evolution in the octahedral size (?MnO?) for Ca{sub 3}Mn{sub 2}NbO{sub 9}, driven by a charge ordering effect between Mn{sup 3+} and Mn{sup 4+} atoms, related to the anomaly observed in the transport measurements at T?160 K. Both materials present a magnetic order below T{sub C}=30 K and 40 K for W and Nb materials, respectively. The magneto-transport measurements display non-negligible magnetoresistance properties in the paramagnetic regime. - Graphical abstract: Comparison between the octahedron size and the magnetic behaviour for Ca{sub 3}Mn{sub 2}NbO{sub 9} in the temperature region where the charge and magnetic order occur. Display Omitted - Highlights: Two novel Mn-containing double perovskites were obtained by solid-state reactions. Both double perovskites are monoclinic (P2{sub 1}/n) determined by XRPD and NPD. Ca{sub 3}Mn{sub 2}WO{sub 9} contains Mn{sup 3+} while Ca{sub 3}Mn{sub 2}NbO{sub 9} includes mixed-valence cations Mn{sup 3+}/Mn{sup 4+}. Ca{sub 3}Mn{sub 2}NbO{sub 9} presents a charge-ordering effect between Mn{sup 3+} and Mn{sup 4+} evidenced by NPD. The magnetic and transport studies evidenced the charge ordering in Ca{sub 3}Mn{sub 2}NbO{sub 9}.

Lpez, C.A., E-mail: calopez@unsl.edu.ar [INTEQUI-rea de Qumica General e Inorgnica Dr. G. F. Puelles, Facultad de Qumica, Bioqumica y Farmacia, Universidad Nacional de San Luis, Chacabuco y Pedernera, 5700 San Luis (Argentina); Centro Atmico Bariloche, Comisin Nacional de Energa Atmica and Instituto Balseiro, Universidad Nacional de Cuyo, 8400S.C. de Bariloche, Ro Negro (Argentina); Saleta, M.E. [Centro Atmico Bariloche, Comisin Nacional de Energa Atmica and Instituto Balseiro, Universidad Nacional de Cuyo, 8400S.C. de Bariloche, Ro Negro (Argentina); Pedregosa, J.C. [INTEQUI-rea de Qumica General e Inorgnica Dr. G. F. Puelles, Facultad de Qumica, Bioqumica y Farmacia, Universidad Nacional de San Luis, Chacabuco y Pedernera, 5700 San Luis (Argentina); Snchez, R.D. [Centro Atmico Bariloche, Comisin Nacional de Energa Atmica and Instituto Balseiro, Universidad Nacional de Cuyo, 8400S.C. de Bariloche, Ro Negro (Argentina); Alonso, J.A. [Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, E-28049 Madrid (Spain); and others

2014-02-15T23:59:59.000Z

129

Los Alamos exceeds waste shipping goal  

NLE Websites -- All DOE Office Websites (Extended Search)

Los Alamos exceeds waste shipping goal Los Alamos exceeds waste shipping goal Los Alamos exceeds waste shipping goal Los Alamos shipped 1,074 cubic meters of transuranic (TRU) and mixed low-level waste to the Waste Isolation Pilot Plant and other approved waste disposal facilities. July 8, 2013 A shipment carrying Los Alamos transuranic waste heads down NM 502, bound for the Waste Isolation Pilot Plant in southeastern New Mexico. A shipment carrying Los Alamos transuranic waste heads down NM 502, bound for the Waste Isolation Pilot Plant in southeastern New Mexico. Contact Fred deSousa Communications Office (505) 665-3430 Email "We've made significant progress removing waste stored above ground at Area G, and we made this progress while maintaining an excellent safety record," said Jeff Mousseau, associate director of Environmental Programs

130

Clean Cities: Los Angeles Clean Cities coalition  

Alternative Fuels and Advanced Vehicles Data Center (EERE)

Los Angeles Clean Cities Coalition Los Angeles Clean Cities Coalition The Los Angeles Clean Cities coalition works with vehicle fleets, fuel providers, community leaders, and other stakeholders to reduce petroleum use in transportation. Los Angeles Clean Cities coalition Contact Information Wayne King 213-485-3936 wayne.king@lacity.org Coalition Website Clean Cities Coordinator Wayne King Photo of Wayne King Wayne King serves as the Los Angeles Clean Cities Coalition Coordinator and is employed as an Environmental Specialist with the City of Los Angeles. King has worked for the City since 2000. He began working with the Clean Cities Coalition around 2003 and was co-coordinator beginning in early 2009. In February 2010 he took on the role of Clean Cities Coordinator. His major job duties focus on mobile source air pollution reduction programs.

131

Los Alamos exceeds waste shipping goal  

NLE Websites -- All DOE Office Websites (Extended Search)

Los Alamos exceeds waste shipping goal Los Alamos exceeds waste shipping goal Los Alamos exceeds waste shipping goal Los Alamos shipped 1,074 cubic meters of transuranic (TRU) and mixed low-level waste to the Waste Isolation Pilot Plant and other approved waste disposal facilities. July 8, 2013 A shipment carrying Los Alamos transuranic waste heads down NM 502, bound for the Waste Isolation Pilot Plant in southeastern New Mexico. A shipment carrying Los Alamos transuranic waste heads down NM 502, bound for the Waste Isolation Pilot Plant in southeastern New Mexico. Contact Fred deSousa Communications Office (505) 665-3430 Email "We've made significant progress removing waste stored above ground at Area G, and we made this progress while maintaining an excellent safety record," said Jeff Mousseau, associate director of Environmental Programs

132

Electronic interactions between gold films and mn12-acetate  

E-Print Network (OSTI)

the presence of a surface layer of Mn12acetate, have been performed using a dilution refrigerator. Quantitative fits to the data using the predictions of weak localization theory were performed using a least-squares fit method in order to determine...

Means, Joel Lewis

2009-05-15T23:59:59.000Z

133

Crystal structure of LaMnO[sub 3+[delta  

SciTech Connect

Poly(acrylic acid) (PAA) was used to make a gel from an aqueous solution of lanthanum and manganese nitrates. In the concentration range 3 [times] 10[sup [minus]2] to 5 [times] 10[sup [minus]2] M of PAA, the single phase of perovskite-type LaMnO[sub 3+[delta

Taguchi, Hideki; Yoshioka, Hideaki; Matsuda, Daisuke; Nagao, Mahiko (Okayama Univ. (Japan))

1993-06-01T23:59:59.000Z

134

LOS ALAMOS NATIONAL LABORATORY - EXPRESS LICENSING PROGRAM  

NLE Websites -- All DOE Office Websites (Extended Search)

LOS ALAMOS NATIONAL LABORATORY - EXPRESS LICENSING PROGRAM LOS ALAMOS NATIONAL LABORATORY - EXPRESS LICENSING PROGRAM NON-EXCLUSIVE PATENT LICENSE AGREEMENT This Agreement between Los Alamos National Security, LLC ("LANS"), under its United States Department of Energy ("DOE") Contract No. DE-AC52-06NA25396, to manage and operate Los Alamos National Laboratory ("LANL"), and ______________________________________, a _____________________________ corporation Company Name ("LICENSEE") (State of Incorporation) having its principal place of business at: ________________________________________________________________________________________ (Company Address) is effective on the date of execution by the last signing Party and payment of the License Issue Fee

135

Seven Los Alamos scientists earn AAAS honors  

NLE Websites -- All DOE Office Websites (Extended Search)

as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory...

136

Los Alamos National Laboratory names cleanup subcontractors  

NLE Websites -- All DOE Office Websites (Extended Search)

as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory...

137

Enterprise Assessments Review, Los Alamos National Laboratory...  

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

Laboratory - November 2014 November 2014 Review of the Los Alamos National Laboratory Weapons Engineering Tritium Facility Fire Suppression System The Department of Energy Office...

138

Oversight Reports - Los Alamos National Laboratory | Department...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

May 2011 Safety System Oversight Assessment of the Los Alamos National Laboratory Weapons Engineering Tritium Facility Tritium Gas Handling System February 8, 2011 Independent...

139

Independent Oversight Review, Los Alamos National Laboratory...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

consensus standards, U.S. Department of Energy orders and standards, and National Fire Protection Association standards and requirements. Independent Oversight Review, Los...

140

Los Alamos Needs Assessment | Department of Energy  

Energy Savers (EERE)

and concerns for the site. Los Alamos Needs Assessment More Documents & Publications Status Report, Department of Energy's Chronic Beryllium Disease Prevention Program - February...

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Independent Activity Report, Los Alamos National Laboratory ...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos National Laboratory Chemistry and Metallurgy Research Replacement Project Orientation Visit The U. S. Department of Energy (DOE) Office of Independent Oversight, within...

142

Independent Oversight Assessment, Los Alamos National Laboratory...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

April 2012 Assessment of Nuclear Safety Culture at the Los Alamos National Laboratory Chemistry and Metallurgy Research Replacement Project This report provides the results of an...

143

Interdiffusion in NiMnSb/V/NiMnSb: X-ray and neutron reflectivity investigation of ion beam sputtered trilayer systems  

SciTech Connect

The new trilayer system NiMnSb/V/NiMnSb on MgO(001) was investigated by means of vibrating sample magnetometry (VSM), x-ray, and neutron reflectivity. VSM revealed a coercive field H{sub c}=23 Oe and a hysteresis loop similar to that of an uncoupled ferromagnet. The x-ray and neutron reflectivity data proved that interface roughnesses of 10 {Angstrom} are present. A detailed analysis yielded significant interdiffusion at the NiMnSb/V interfaces which is one possible explanation for the weak magnetoresistance effect measured in similar NiMnSb-based multilayer systems. {copyright} {ital 1999 American Institute of Physics.}

Schlomka, J.; Tolan, M.; Press, W. [Institut fuer Experimentelle und Angewandte Physik, Christian-Albrechts-Universitaet zu Kiel, 24098 Leibnizstrasse 17-19, Kiel (Germany)] [Institut fuer Experimentelle und Angewandte Physik, Christian-Albrechts-Universitaet zu Kiel, 24098 Leibnizstrasse 17-19, Kiel (Germany); Fitzsimmons, M.R. [Manuel Lujan, Jr. Neutron Scattering Center, Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)] [Manuel Lujan, Jr. Neutron Scattering Center, Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States); Siebrecht, R. [Institut Laue-Langevin, 38042 Grenoble, Cedex 9 (France)] [Institut Laue-Langevin, 38042 Grenoble, Cedex 9 (France); Schubert, D.W. [GKSS Forschungszentrum, 21502 Geesthacht (Germany)] [GKSS Forschungszentrum, 21502 Geesthacht (Germany); Simon, P. [Max Planck Institut fuer Polymerforschung, 55021 Mainz (Germany)] [Max Planck Institut fuer Polymerforschung, 55021 Mainz (Germany)

1999-11-01T23:59:59.000Z

144

Electrochemical oxidation of Mn(OH){sub 2} in alkaline media  

SciTech Connect

Redox transformations of the Mn(II)/Mn(III) and Mn(II)/Mn(IV) pairs have been studied by transient electrochemical, spectroelectrochemical, and impedance measurements in alkaline solutions at a manganese electrode. The Mn(0)/Mn(II) and Mn(II)/Mn(III) pairs, which have not been clearly identified hitherto in the literature, have been observed using these techniques. A species observed at 285 nm during oxidation of the Mn(OH){sub 2}-covered manganese electrode was assigned to MnOOH. This species eventually led to passive films whose major component is MnO{sub 2} absorbing at about 400 nm. An accumulation of the passive films was observed at longer electrolysis times. Electrochemical impedance measurements were used to construct a Tafel plot for the manganese oxidation. The polarization resistance reached a minimum at about + 0.17 V vs Ag{vert_bar}AgCl (saturated KCl) without oxygen evolution. Some kinetic information including resistance-capacitance time constants for the oxidation reaction and an exchange current density are also reported.

Cha, D.K. [Univ. of New Mexico, Albuquerque, NM (United States). Dept. of Chemistry; Park, S.M. [Pohang Univ. of Science and Technology (Korea, Republic of)

1997-08-01T23:59:59.000Z

145

LOS ALAMOS, N.M., March 31, 2014-Los Alamos National Laboratory...  

NLE Websites -- All DOE Office Websites (Extended Search)

Forests and climate change focus of Frontiers in Science lectures March 31, 2014 It's not easy staying green... LOS ALAMOS, N.M., March 31, 2014-Los Alamos National Laboratory...

146

LOS ALAMOS, N.M., May 13, 2013-Today, Los Alamos National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

Domestic production of medical isotope Mo-99 moves a step closer May 13, 2013 Los Alamos team produces molybdenum-99 from irradiation of low enriched uranium solution LOS ALAMOS,...

147

EA-1156: Effluent Reduction Los Alamos National Laboratory, Los Alamos, New Mexico  

Energy.gov (U.S. Department of Energy (DOE))

This EA evaluates the environmental impacts for the proposal to eliminate industrial effluent from 27 outfalls at the U.S. Department of Energy Los Alamos National Laboratory in Los Alamos, New...

148

LOS ALAMOS, N.M., Feb. 14, 2013-Recently a Los Alamos National...  

NLE Websites -- All DOE Office Websites (Extended Search)

put to work for electric grid security February 14, 2013 LOS ALAMOS, N.M., Feb. 14, 2013-Recently a Los Alamos National Laboratory quantum cryptography (QC) team successfully...

149

LOS ALAMOS, New Mexico, June 4, 2013-Los Alamos National Laboratory...  

NLE Websites -- All DOE Office Websites (Extended Search)

catalyst could jumpstart e- cars, green energy June 4, 2013 Economical non-precious-metal catalyst capitalizes on carbon nanotubes LOS ALAMOS, New Mexico, June 4, 2013-Los Alamos...

150

Oversight Reports - Los Alamos National Laboratory | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos National Laboratory Los Alamos National Laboratory Oversight Reports - Los Alamos National Laboratory January 18, 2013 Independent Oversight Review, Los Alamos National Laboratory - January 2013 Review of the Los Alamos National Laboratory Corrective Action Effectiveness Review January 14, 2013 Independent Oversight Review, Los Alamos National Laboratory - January 2013 Review of the Los Alamos National Laboratory Weapons Engineering Tritium Facility Tritium Gas Containment Vital Safety System October 2, 2012 Independent Activity Report, Los Alamos National Laboratory - August 2012 Defense Nuclear Facilities Safety Board Visit and Site Lead Planning Activities at the Los Alamos National Laboratory [HIAR LANL-2012-08-16] August 24, 2012 Independent Activity Report, Los Alamos National Laboratory - July 2012

151

PHYSICAL REVIEW B 84, 205305 (2011) Spin-phonon coupling in single Mn-doped CdTe quantum dot  

E-Print Network (OSTI)

PHYSICAL REVIEW B 84, 205305 (2011) Spin-phonon coupling in single Mn-doped CdTe quantum dot C. L dynamics of a single Mn atom in a laser driven CdTe quantum dot is addressed theoretically. Recent of single Mn-doped CdTe dots, information about the quantum spin state of a single Mn atom is extracted from

Paris-Sud XI, Université de

152

ICF research at Los Alamos  

SciTech Connect

It is apparent that short wavelength lasers (<500 nm) provide efficient coupling of laser energy into ICF target compression. KrF lasers (248 nm) operate at near-optimum wavelength and provide other potential benefits to ICF target coupling (e.g., bandwidth) and applications (high wallplug efficiency and relatively low cost). However, no driver technology has yet been shown to meet all of the requirements for a high-gain ICF capability at a currently acceptable cost, and there are still significant uncertainties in the driver-target coupling and capsule hydrodynamics that must be addressed. The Los Alamos research program is designed to assess the potential of KrF lasers for ICF and to determine the feasibility of achieving high gain in the laboratory with a KrF laser driver. Major efforts in KrF laser development and technology, target fabrication and materials development, and laser-matter interaction and hydrodynamics research are discussed. 27 refs., 10 figs.

Goldstone, P.D.; Ackerhalt, J.R.; Blair, L.S.; Cartwright, D.C.; Foreman, C.A.; Hauer, A.; Hanson, D.E.; Hoffer, J.K.; Kristal, R.; Fenstermacher, C.A.

1987-01-01T23:59:59.000Z

153

Plutonium Oxidation and Subsequent Reduction by Mn (IV) Minerals  

SciTech Connect

Plutonium sorbed to rock tuff was preferentially associated with manganese oxides. On tuff and synthetic pyrolusite (Mn{sup IV}O{sub 2}), Pu(IV) or Pu(V) was initially oxidized, but over time Pu(IV) became the predominant oxidation state of sorbed Pu. Reduction of Pu(V/VI), even on non-oxidizing surfaces, is proposed to result from a lower Gibbs free energy of the hydrolyzed Pu(IV) surface species versus that of the Pu(V) or Pu(VI) surface species. This work suggests that despite initial oxidation of sorbed Pu by oxidizing surfaces to more soluble forms, the less mobile form of Pu, Pu(IV), will dominate Pu solid phase speciation during long term geologic storage. The safe design of a radioactive waste or spent nuclear fuel geologic repository requires a risk assessment of radionuclides that may potentially be released into the surrounding environment. Geochemical knowledge of the radionuclide and the surrounding environment is required for predicting subsurface fate and transport. Although difficult even in simple systems, this task grows increasingly complicated for constituents, like Pu, that exhibit complex environmental chemistries. The environmental behavior of Pu can be influenced by complexation, precipitation, adsorption, colloid formation, and oxidation/reduction (redox) reactions (1-3). To predict the environmental mobility of Pu, the most important of these factors is Pu oxidation state. This is because Pu(IV) is generally 2 to 3 orders of magnitude less mobile than Pu(V) in most environments (4). Further complicating matters, Pu commonly exists simultaneously in several oxidation states (5, 6). Choppin (7) reported Pu may exist as Pu(IV), Pu(V), or Pu(VI) oxic natural groundwaters. It is generally accepted that plutonium associated with suspended particulate matter is predominantly Pu(IV) (8-10), whereas Pu in the aqueous phase is predominantly Pu(V) (2, 11-13). The influence of the character of Mn-containing minerals expected to be found in subsurface repository environments on Pu oxidation state distributions has been the subject of much recent research. Kenney-Kennicutt and Morse (14), Duff et al. (15), and Morgenstern and Choppin (16) observed oxidation of Pu facilitated by Mn(IV)-bearing minerals. Conversely, Shaughnessy et al. (17) used X-ray Absorption near-edge spectroscopy (XANES) to show reduction of Pu(VI) by hausmannite (Mn{sup II}Mn{sub 2}{sup III}O{sub 4}) and manganite ({gamma}-Mn{sup III}OOH) and Kersting et al., (18) observed reduction of Pu(VI) by pyrolusite (Mn{sup IV}O{sub 2}). In this paper, we attempt to reconcile the apparently conflicting datasets by showing that Mn-bearing minerals can indeed oxidize Pu, however, if the oxidized species remains on the solid phase, the oxidation step competes with the formation of Pu(IV) that becomes the predominant solid phase Pu species with time. The experimental approach we took was to conduct longer term (approximately two years later) oxidation state analyses on the Pu sorbed to Yucca Mountain tuff (initial analysis reported by Duff et al., (15)) and measure the time-dependant changes in the oxidation state distribution of Pu in the presence of the Mn mineral pyrolusite.

KAPLAN, DANIEL

2005-09-13T23:59:59.000Z

154

Effect of Composition and Heat Treatment on MnBi Magnetic Materials  

SciTech Connect

The metallic compound MnBi is a promising rare-earth-free permanent magnet material. Compare to other rare-earth-free candidates, MnBi stands out for its high intrinsic coercivity (Hci) and its large positive temperature coefficient. Several groups have demonstrated that the Hci of MnBi compound in thin film or in powder form can exceed 12 kOe and 26 kOe at 300 K and 523 K, respectively. Such steep increase in Hci with increasing temperature is unique to MnBi. Consequently, MnBi is a highly sought-after hard phase for exchange coupling nanocomposite magnets. The reaction between Mn and Bi is peritectic, so Mn tends to precipitate out of the MnBi liquid during the solidification process. As result, the composition of the Mn-Bi alloy with the largest amount of the desired LTP (low temperature phase) MnBi and highest saturation magnetization will be over-stoichiometric and rich in Mn. The amount of additional Mn required to compensate the Mn precipitation depends on solidification rate: the faster the quench speed, the less Mn precipitates. Here we report a systematic study of the effect of composition and heat treatments on the phase contents and magnetic properties of Mn-Bi alloys. In this study, Mn-Bi alloys with 14 compositions were prepared using conventional metallurgical methods such as arc melting and vacuum heat treatment, and the obtained alloys were analyzed for compositions, crystal structures, phase content, and magnetic properties. The results show that the composition with 55 at.% Mn exhibits the highest LTP MnBi content and the highest magnetization. The sample with this composition shows >90 wt.% LTP MnBi content. Its measured saturation magnetization is 68 emu/g with 2.3 T applied field at 300 K; its coercivity is 13 kOe and its energy product is 12 MGOe at 300 K. A bulk magnet fabricated using this powder exhibits an energy product of 8.2 MGOe.

Cui, Jun; Choi, Jung-Pyung; Polikarpov, Evgueni; Bowden, Mark E.; Xie, Wei; Li, Guosheng; Nie, Zimin; Zarkevich, Nikolai; Kramer, Matthew J.; Johnson, Duane D.

2014-08-17T23:59:59.000Z

155

Environmental Assessment for the Proposed Los Alamos National Laboratory Trails Management Program, Los Alamos, New Mexico  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

31 31 Environmental Assessment for the Proposed Los Alamos National Laboratory Trails Management Program, Los Alamos, New Mexico September 2, 2003 Department of Energy National Nuclear Security Administration Los Alamos Site Office Environmental Assessment for the Proposed LANL Trails Management Program DOE LASO September 2, 2003 iii Contents Acronyms and Terms................................................................................................................................vii Executive Summary ...................................................................................................................................ix 1.0 Purpose and Need ..............................................................................................................................1

156

Forest fire near Los Alamos National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

Forest fire near Los Alamos National Laboratory Forest fire near Los Alamos National Laboratory Forest fire near Los Alamos National Laboratory The Las Conchas fire burning in the Jemez Mountains approximately 12 miles southwest of the boundary of LANL has not entered Lab property at this time. June 26, 2011 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials.

157

Seven Los Alamos scientists earn AAAS honors  

NLE Websites -- All DOE Office Websites (Extended Search)

Seven Los Alamos scientists earn AAAS honors Seven Los Alamos scientists earn AAAS honors Seven Los Alamos scientists earn AAAS honors The Fellows are Richard Sayre, John Gordon, Jeanne Robinson, Jaqueline Kiplinger, Bryon Goldstein, Alexander Balatsky and Quanxi Jia. December 15, 2011 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials.

158

Los Alamos Public Schools recommended for accreditation  

NLE Websites -- All DOE Office Websites (Extended Search)

Los Alamos Schools Recommended For Accreditation Los Alamos Schools Recommended For Accreditation Community Connections: Our link to Northern New Mexico Communities Latest Issue:Dec. 2013 - Jan. 2014 All Issues » submit Los Alamos Public Schools recommended for accreditation Los Alamos Public Schools has taken the unusual step of working to obtain accreditation for its entire district. January 1, 2013 dummy image Read our archives Contacts Editor Linda Anderman Email Community Programs Office Kurt Steinhaus Email We knew as a school system we had a lot going for us, but we wanted additional perspectives on areas where we needed to do more work. While virtually all high schools in the country are accredited so their students can qualify for admission to a full array of colleges, Los Alamos Public Schools has taken the unusual step of working to obtain

159

Los Alamos director echoes cyber concerns  

NLE Websites -- All DOE Office Websites (Extended Search)

Los Alamos director echoes cyber concerns Los Alamos director echoes cyber concerns Los Alamos director echoes cyber concerns Director Charlie McMillan told a gathering of energy executives that securing the electrical grid is a major concern now and it's only becoming more serious. May 21, 2013 Los Alamos National Laboratory Director Charlie McMillan (right), with, from left, Anthony Cugini of the National Energy Technology Laboratory, Thom Mason of Oak Ridge National Laboratory, and Tomas Diaz de la Rubia of Deloitte Consulting LLP. Los Alamos National Laboratory Director Charlie McMillan (right), with, from left, Anthony Cugini of the National Energy Technology Laboratory, Thom Mason of Oak Ridge National Laboratory, and Tomas Diaz de la Rubia of Deloitte Consulting LLP. Contact Fred deSousa

160

Lesiones traumticas de los tendones flexores  

Science Journals Connector (OSTI)

Resumen Actualmente, la reparacin primaria de la seccin de los tendones flexores es, con algunas raras excepciones, la regla. Las dos complicaciones ms importantes son la rotura de la sutura y la adherencia de los tendones. Esto justifica la multitud de protocolos propuestos, tanto para reforzar la sutura como para movilizar los tendones en el postoperatorio. La tendencia actual es realizar una sutura slida, asociando un punto axial de cuatro a seis hilos en una sutura continua epitendinosa, lo que permite movilizar los tendones de forma pasiva o activa. La inmovilizacin slo se hace cuando existe contraindicacin de la movilizacin precoz. Por esta razn, la ciruga secundaria est menos indicada, por lo menos en lo que concierne a los injertos tendinosos. Sin embargo, es necesario un buen conocimiento de las tcnicas secundarias, en caso de complicacin o fracaso de la sutura primaria.

G. Foucher

2003-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Electrodeposited Mn-Co Alloy Coating For SOFC Interconnects  

NLE Websites -- All DOE Office Websites (Extended Search)

Electrodeposited Electrodeposited Mn-Co Alloy Coating For SOFC Interconnects H. McCrabb * , T. Hall * , J. Wu # , H. Zhang # , X. Liu # , E.J. Taylor * * Faraday Technology Inc., 315 Huls Dr., Clayton, OH 45315, USA # West Virginia University, Dept. of Mechanical and Aerospace Eng.ESB, Morgantown, WV, 26506, USA Overall Objective Overall Objective Principal Investigator: Heather McCrabb, Company Name: Faraday Technology, Inc., Address: 315 Huls Drive, Clayton, OH 45315, Phone: 937-836-7749, E-mail: heathermccrabb@faradaytechnology.com, Company website: faradaytechnology.com Previous Work at WVU Results Develop an inexpensive manufacturing process for depositing (Mn,Co) 3 O 4 spinel coatings onto SOFC interconnects. Introduction The decrease in the SOFC operating temperatures from 1000°C to between 650 and 850°C has enabled the use of chromia-forming ferritic stainless steels as interconnects

162

Charge transport properties of CdMnTe radiation detectors  

SciTech Connect

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.

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

163

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

E-Print Network (OSTI)

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...

Karaca, Haluk Ersin

2009-05-15T23:59:59.000Z

164

High-Resolution Mn EXAFS of the Oxygen-Evolving Complex inPhotosystem II: Structural Implications for the Mn4Ca Cluster  

SciTech Connect

The biological generation of oxygen by the oxygen-evolving complex in photosystem II (PS II) is one of natures most important reactions. The recent X-ray crystal structures, while limited by resolutions of 3.2 to 3.5 A, have located the electron density associated with the Mn4Ca complex within the multi-protein PS II complex. Detailed structures critically depend on input from spectroscopic techniques such as EXAFS and EPR/ENDOR, as the XRD resolution does not allow for accurate determination of the position of Mn/Ca or the bridging and terminal ligand atoms. The number and distances of Mn-Mn/Ca/ligand interactions determined from EXAFS provide important constraints for the structure of the Mn cluster. Here we present data from a high-resolution EXAFS method using a novel multi-crystal monochromator that show three short Mn-Mn distances between 2.7 and 2.8 A and hence the presence of three di-mu-oxobridged units in the Mn4Ca cluster. This result imposes clear limitations on the proposed structures based on spectroscopic and diffraction data and provides input for refining such structures.

Yano, Junko; Pushkar, Yulia; Glatzel, Pieter; Lewis, Azul; Sauer,Kenneth; Messinger, Johannes; Bergmann, Uwe; Yachandra, Vittal

2005-09-06T23:59:59.000Z

165

Synthesis and characterization of pristine Li2MnSiO4 and Li2MnSiO4/C cathode materials for lithium ion batteries  

Science Journals Connector (OSTI)

Pristine Li2MnSiO4 and Li2MnSiO4.../C were both prepared by the solgel method. Citric acid was used as the carbon source. Lithium acetate dihydrate, manganese acetate tetrahydrate, and citric acid were first dis...

Qianqian Zhang; Quanchao Zhuang; Shoudong Xu; Xiangyun Qiu; Yongli Cui; Yueli Shi

2012-05-01T23:59:59.000Z

166

EIS-0238: Continued Operation of the Los Alamos National Laboratory, Los  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

238: Continued Operation of the Los Alamos National 238: Continued Operation of the Los Alamos National Laboratory, Los Alamos, New Mexico EIS-0238: Continued Operation of the Los Alamos National Laboratory, Los Alamos, New Mexico Summary This EIS evaluates the potential environmental impacts of a proposal to continue operating the Los Alamos National Laboratory (LANL) located in Los Alamos County, in north-central New Mexico. DOE has identified and assessed four alternatives for the operation of LANL: (1) No Action, (2) Expanded Operations, (3) Reduced Operations, and (4) Greener. Expanded Operations is DOE's Preferred Alternative, with the exception that DOE would only implement pit manufacturing at a level of 20 pits per year. Public Comment Opportunities None available at this time. Documents Available for Download

167

Manganese valence and coordination structure in Mn,Mg-codoped {gamma}-AlON green phosphor  

SciTech Connect

The valence and coordination structure of manganese in a Mn,Mg-codoped {gamma}-AlON spinel-type oxynitride green phosphor were studied by synchrotron X-ray diffraction and absorption fine structure measurements. The absorption edge position of the XANES revealed the bivalency of Mn. Two cation sites are available in the spinel structure for cation doping: a tetrahedral site and an octahedral site. The pre-edge of the XANES and the distance to the nearest neighbor atoms obtained from the EXAFS measurement showed that Mn was situated at the tetrahedral site. Rietveld analysis showed that the vacancy occupied the octahedral site. The preferential occupation of the tetrahedral site by Mn and the roles of N and Mg are discussed in relation to the spinel crystal structure. - Graphical Abstract: Fourier transform of EXAFS of Mn K-edge for Mn,Mg-codoped green phosphor and Mn coordination structure. Highlights: Black-Right-Pointing-Pointer Mn, Mg-codoped {gamma}-AlON green phosphor for white LED. Black-Right-Pointing-Pointer The valence of Mn is divalent. Black-Right-Pointing-Pointer Mn occupies the tetrahedral site in the spinel structure.

Takeda, Takashi, E-mail: TAKEDA.Takashi@nims.go.jp [National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044 (Japan)] [National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044 (Japan); Xie, Rong-Jun; Hirosaki, Naoto [National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044 (Japan)] [National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044 (Japan); Matsushita, Yoshitaka [National Institute for Materials Science (NIMS), NIMS-SPring-8, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198 (Japan)] [National Institute for Materials Science (NIMS), NIMS-SPring-8, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198 (Japan); Honma, Tetuso [Japan Synchrotron Radiation Research Institute (JASRI), 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198 (Japan)] [Japan Synchrotron Radiation Research Institute (JASRI), 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198 (Japan)

2012-10-15T23:59:59.000Z

168

Electronic- and band-structure evolution in low-doped (Ga,Mn)As  

SciTech Connect

Modulation photoreflectance spectroscopy and Raman spectroscopy have been applied to study the electronic- and band-structure evolution in (Ga,Mn)As epitaxial layers with increasing Mn doping in the range of low Mn content, up to 1.2%. Structural and magnetic properties of the layers were characterized with high-resolution X-ray diffractometry and SQUID magnetometery, respectively. The revealed results of decrease in the band-gap-transition energy with increasing Mn content in very low-doped (Ga,Mn)As layers with n-type conductivity are interpreted as a result of merging the Mn-related impurity band with the host GaAs valence band. On the other hand, an increase in the band-gap-transition energy with increasing Mn content in (Ga,Mn)As layers with higher Mn content and p-type conductivity indicates the Moss-Burstein shift of the absorption edge due to the Fermi level location within the valence band, determined by the free-hole concentration. The experimental results are consistent with the valence-band origin of mobile holes mediating ferromagnetic ordering in the (Ga,Mn)As diluted ferromagnetic semiconductor.

Yastrubchak, O.; Gluba, L.; ?uk, J. [Institute of Physics, UMCS, Pl. Marii Curie-Sk?odowskiej 1, 20-031 Lublin (Poland)] [Institute of Physics, UMCS, Pl. Marii Curie-Sk?odowskiej 1, 20-031 Lublin (Poland); Sadowski, J. [Institute of Physics, Polish Academy of Sciences, 02-668 Warszawa (Poland) [Institute of Physics, Polish Academy of Sciences, 02-668 Warszawa (Poland); MAX-Lab, Lund University, 22100 Lund (Sweden); Krzy?anowska, H. [Institute of Physics, UMCS, Pl. Marii Curie-Sk?odowskiej 1, 20-031 Lublin (Poland) [Institute of Physics, UMCS, Pl. Marii Curie-Sk?odowskiej 1, 20-031 Lublin (Poland); Department of Physics and Astronomy, Vanderbilt University, 6506 Stevenson Center, Nashville, Tennessee 37325 (United States); Domagala, J. Z.; Andrearczyk, T.; Wosinski, T. [Institute of Physics, Polish Academy of Sciences, 02-668 Warszawa (Poland)] [Institute of Physics, Polish Academy of Sciences, 02-668 Warszawa (Poland)

2013-08-07T23:59:59.000Z

169

Effect of composition and heat treatment on MnBi magnetic materials  

SciTech Connect

The metallic compound MnBi is a promising rare-earth-free permanent magnet material, unique among all candidates for its high intrinsic coercivity (Hci) and its large positive temperature coefficient. The Hci of MnBi in thin-film or powder form can exceed 12 and 26 kOe at 300 and 523 K, respectively. Such a steep rise in Hci with increasing temperature is unique to MnBi. Consequently, MnBi is a highly sought-after hard phase for exchange coupling nanocomposite magnets. However, the reaction between Mn and Bi is peritectic, and hence Mn tends to precipitate out of the MnBi liquid during the solidification process. As result, when the alloy is prepared using conventional induction or arc-melting casting methods, additional Mn is required to compensate the precipitation of Mn. In addition to composition, post-casting annealing plays an important role in obtaining a high content of MnBi low-temperature phase (LTP) because the annealing encourages the Mn precipitates and the unreacted Bi to react, forming the desired LTP phase. Here we report a systematic study of the effect of composition and heat treatments on the phase content and magnetic properties of MnBi alloys. In this study, 14 compositions were prepared using conventional metallurgical methods, and the compositions, crystal structures, phase content and magnetic properties of the resulting alloys were analyzed. The results show that the composition with 55 at.% Mn exhibits both the highest LTP content (93 wt.%) and magnetization (74 emu g?1 with 9 T applied field at 300 K).

Cui, Jun [Pacific Northwest National Laboratory; Choi, Jung-Pyung [Pacific Northwest National Laboratory; Polikarpov, Evgueni [Pacific Northwest National Laboratory; Bowden, Mark E [Pacific Northwest National Laboratory; Xie, Wei [Pacific Northwest National Laboratory; Li, Guosheng [Pacific Northwest National Laboratory; Nie, Zimin [Pacific Northwest National Laboratory; Zarkevich, Nikolai [Ames Laboratory; Kramer, Matthew J [Ames Laboratory; Johnson, Duane [Ames Laboratory

2014-10-01T23:59:59.000Z

170

County of Los Angeles, California | Open Energy Information  

Open Energy Info (EERE)

Los Angeles, California Los Angeles, California Jump to: navigation, search Name County of Los Angeles Place Los Angeles, CA Website http://www.countyoflosangeles. References County of Los Angeles, California[1] Information About Partnership with NREL Partnership with NREL Yes Partnership Type Test & Evaluation Partner Partnering Center within NREL Electricity Resources & Building Systems Integration LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! County of Los Angeles, California is a company located in Los Angeles, CA. References ↑ "County of Los Angeles, California" Retrieved from "http://en.openei.org/w/index.php?title=County_of_Los_Angeles,_California&oldid=379305" Categories: Clean Energy Organizations Companies

171

Los XIII temporales teatrales de Puerto Montt  

E-Print Network (OSTI)

FALL 2001 151 Los XII temporales teatrales de Puerto Montt Domingo Piga En el mes de junio de este ao llegaron hasta Puerto Montt, Chile, 30 compaas de toda Latinoamrica y de Europa. Cada vez se ampla ms el abanico de arte dramtico que... cubre esa vasta regin de Chile. El pblico de esa zona goza simultneamente de todos los espectculos, recibiendo todas las tendencias, estilos y gneros de arte dramtico que en este momento exhiben los escenarios de todo el mundo. La alta calidad...

Piga, Domingo

2001-10-01T23:59:59.000Z

172

Enforcement Letter - Los Alamos National Laboratory  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

7, 1997 7, 1997 Dr. Sigfried S. Hecker [ ] Los Alamos National Laboratory P.O. Box 1663 Los Alamos, NM 87545 Subject: Noncompliance Report NTS-ALO-LA-LANL-LANL-1996-0004 Dear Dr. Hecker: This letter refers to the Department of Energy's (DOE's) evaluation of potential noncompliances with the requirements of 10 CFR 830.120 (Quality Assurance Rule). The noncompliances involved the failure of Los Alamos National Laboratory (LANL) to adequately implement the requirements contained in the governing quality assurance standard for stockpile evaluations in the areas of work controls and procedural compliance. As a result of these failures, an explosion and fire occurred at the [ ] on November 14, 1996.

173

Effect of a high electric field on the conductivity of MnGa{sub 2}S{sub 4}, MnIn{sub 2}S{sub 4}, and MnGaInS{sub 4} single crystals  

SciTech Connect

The results of studying the effect of a high electric field on the conductivity of MnGa{sub 2}S{sub 4}, MnIn{sub 2}S{sub 4}, and MnGaInS{sub 4} single crystals are reported. The activation energy is determined in high and low electric fields. It is established that the decrease in the activation energy with increasing the external voltage is associated with decreasing the depth of the potential well, in which the electron is located.

Niftiev, N. N. [Azerbaijan State Pedagogical University (Azerbaijan); Tagiev, O. B. [National Academy of Sciences of Azerbaijan, Institute of Physics (Azerbaijan)

2009-09-15T23:59:59.000Z

174

Improvement of magnetic properties of FePt nanoparticles by adding Mn  

SciTech Connect

FePtMn nanoparticles were synthesized by the simultaneous reduction of iron acetylacetonate, platinum acetylacetonate, and manganese acetylacetonate with 1,2-hexadecanediol as the reducing reagent in the polyol process. The coercivity of annealed nanoparticles strongly depends on the amount of Mn addition. A maximum coercivity of 19 kOe at room temperature was obtained for (Fe{sub 32}Pt{sub 68}){sub 87}Mn{sub 13} nanoparticles annealed at 700 deg. C for 1 h. The presence of Mn in the FePt L1{sub 0} lattice may induce local strain so the ordering is accelerated. In addition, the high coercivity can presumably be partially related to the local bonding of Pt-Mn (or Fe-Mn) in the L1{sub 0} structure.

Lai, C.-H.; Ho, C.-H. [Department of Materials Science and Engineering, National Tsing Hua University, 300, Hsinchu, Taiwan (China)

2005-05-15T23:59:59.000Z

175

Structure of Al-Mn-Cr-Si quasicrystals studied by pulsed neutron scattering  

Science Journals Connector (OSTI)

The atomic structure of rapidly quenched quasicrystals, Al80Mn20, Al75Mn20Si5, and Al75Mn15Cr5Si5, was studied by pulsed neutron scattering. The pair distribution function was obtained by a direct Fourier transformation of the structure factor, and by assuming isomorphous substitution of Cr for Mn the differential distribution function (DDF) was determined. The addition of Si was found to increase the medium-range order significantly. The DDF from Mn atoms indicates the presence of a quasicrystalline substructure which is occupied both by Mn and Al atoms. The atomic structure of these solids, therefore, is significantly different from that of quasicrystalline Pd58.8U20.6Si20.6.

S. Nanao; W. Dmowski; T. Egami; J. W. Richardson; Jr.; J. D. Jorgensen

1987-01-15T23:59:59.000Z

176

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

SciTech Connect

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.

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

177

Los Alamos National Laboratory | Open Energy Information  

Open Energy Info (EERE)

Los Alamos National Laboratory Los Alamos National Laboratory Name Los Alamos National Laboratory Address P.O. Box 1663 Place Los Alamos, New Mexico Zip 87545 Year founded 1943 Coordinates 35.8849°, -106.3236° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":35.8849,"lon":-106.3236,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

178

City of Los Angeles Bureau of Sanitation  

SciTech Connect

Fact sheet compares emissions testing of Dual-Fuel liquefied natural gas (LNG) and diesel Los Angeles Bureau of Sanitation refuse trucks, performed by DOE's Advanced Vehicle Testing Activity.

Not Available

2004-02-01T23:59:59.000Z

179

Los Alamos National Laboratory technologies capture prestigious...  

NLE Websites -- All DOE Office Websites (Extended Search)

LANL technologies capture R&D 100 awards Los Alamos National Laboratory technologies capture prestigious R&D 100 awards Winning Laboratory projects are the 3-D Tracking Microscope...

180

New Rad Lab for Los Alamos  

ScienceCinema (OSTI)

The topping out ceremony for a key construction stage in the Los Alamos National Laboratory's newest facility, the Radiological Laboratory Utility & Office Building. This is part of the National Nu...

None

2010-01-08T23:59:59.000Z

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Publications of Los Alamos research 1988  

SciTech Connect

This bibliography lists unclassified publications of work done at the Los Alamos National Laboratory for 1988. The entries, which are subdivided by broad subject categories, are cross-referenced with an author index and a numeric index.

Varjabedian, K.; Dussart, S.A.; McClary, W.J.; Rich, J.A. (comps.)

1989-12-01T23:59:59.000Z

182

Los Alamos director echoes cyber concerns  

NLE Websites -- All DOE Office Websites (Extended Search)

of times by adversaries. Our systems, and yours, are very attractive. Securing the grid will be key for energy security going forward NATIONAL HARBOR, Md.,May 21, 2013-Los...

183

From Earth to Saturn: Los Alamos Achievements  

ScienceCinema (OSTI)

A compilation of some of the remarkable achievements of Los Alamos National Laboratory staff over the past 12 months. Originally aired in the June 26, 2008 Director's all-employee meeting.

McMillan, Charlie; Wilson, Cathy; Nekimkem, Howard; Martinez, Johnnie; Martz, Joe; Albright, Brian

2014-08-13T23:59:59.000Z

184

Los Alamos National Laboratory names cleanup subcontractors  

NLE Websites -- All DOE Office Websites (Extended Search)

Cleanup subcontractors named Cleanup subcontractors named Los Alamos National Laboratory names cleanup subcontractors The three companies are Los Alamos Technical Associates (LATA), Portage Inc., and ARSEC Environmental, LLC (ARSEC). August 14, 2009 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Contact Fred deSousa

185

Los Alamos scientists monitor Santa's magical journey  

NLE Websites -- All DOE Office Websites (Extended Search)

Scientists monitor Santa's magical journey Scientists monitor Santa's magical journey Los Alamos scientists monitor Santa's magical journey Los Alamos trackers will use state-of-the-art technology to mark the course taken by St. Nick and his eight tiny and highly efficient reindeer. December 21, 2011 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials.

186

Internship at Los Alamos National Laboratory  

SciTech Connect

Los Alamos National Laboratory (LANL) is located in Los Alamos, New Mexico. It provides support for our country's nuclear weapon stockpile as well as many other scientific research projects. I am an Undergraduate Student Intern in the Systems Design and Analysis group within the Nuclear Nonproliferation division of the Global Security directorate at LANL. I have been tasked with data analysis and modeling of particles in a fluidized bed system for the capture of carbon dioxide from power plant flue gas.

Dunham, Ryan Q. [Los Alamos National Laboratory

2012-07-11T23:59:59.000Z

187

Enforcement Documents - Los Alamos National Laboratory | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos National Laboratory Los Alamos National Laboratory Enforcement Documents - Los Alamos National Laboratory February 12, 2013 Enforcement Letter, NEL-2013-02 Issued to Los Alamos National Security, LLC related to a Radiological Contamination Event at the Los Alamos Neutron Science Center at Los Alamos National Laboratory April 15, 2011 Preliminary Notice of Violation, Los Alamos National Laboratory, LLC - NEA-2011-01 Preliminary Notice of Violation issued to Los Alamos National Security, LLC related to Unanticipated Extremity Exposures at the Los Alamos National Laboratory January 4, 2008 Special Report Order, Los Alamos National Security, LLC - January 4, 2008 Issued to Los Alamos National Security, LLC related to Glovebox Activities at TA-55 and Chemistry and Metallurgy Research Facilities at the Los Alamos

188

Los Alamos National Lab staff benchmark Y-12 sustainability programs...  

NLE Websites -- All DOE Office Websites (Extended Search)

Los Alamos National Lab ... Los Alamos National Lab staff benchmark Y-12 sustainability programs Posted: June 27, 2013 - 3:53pm OAK RIDGE, Tenn. - Staff from Los Alamos National...

189

Advancing Fuel Cell Technology at Los Alamos | Department of...  

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

Advancing Fuel Cell Technology at Los Alamos Advancing Fuel Cell Technology at Los Alamos July 26, 2013 - 12:00am Addthis From fuel cell electric vehicles to portable power, Los...

190

Structural Changes in the Mn(4)Ca Cluster And the Mechanism of Photosynthetic Water Splitting  

SciTech Connect

Photosynthetic water oxidation, where water is oxidized to dioxygen, is a fundamental chemical reaction that sustains the biosphere. This reaction is catalyzed by a Mn{sub 4}Ca complex in the photosystem II (PS II) oxygen-evolving complex (OEC): a multiprotein assembly embedded in the thylakoid membranes of green plants, cyanobacteria, and algae. The mechanism of photosynthetic water oxidation by the Mn{sub 4}Ca cluster in photosystem II is the subject of much debate, although lacking structural characterization of the catalytic intermediates. Biosynthetically exchanged Ca/Sr-PS II preparations and x-ray spectroscopy, including extended x-ray absorption fine structure (EXAFS), allowed us to monitor Mn-Mn and Ca(Sr)-Mn distances in the four intermediate S states, S{sub 0} through S{sub 3}, of the catalytic cycle that couples the one-electron photochemistry occurring at the PS II reaction center with the four-electron water-oxidation chemistry taking place at the Mn{sub 4}Ca(Sr) cluster. We have detected significant changes in the structure of the complex, especially in the Mn-Mn and Ca(Sr)-Mn distances, on the S{sub 2}-to-S{sub 3} and S{sub 3}-to-S{sub 0} transitions. These results implicate the involvement of at least one common bridging oxygen atom between the Mn-Mn and Mn-Ca(Sr) atoms in the O-O bond formation. Because PS II cannot advance beyond the S{sub 2} state in preparations that lack Ca(Sr), these results show that Ca(Sr) is one of the critical components in the mechanism of the enzyme. The results also show that Ca is not just a spectator atom involved in providing a structural framework, but is actively involved in the mechanism of water oxidation and represents a rare example of a catalytically active Ca cofactor.

Pushkar, Y.; Yano, J.; Sauer, K.; Boussac, A.; Yachandra, V.K.

2009-05-21T23:59:59.000Z

191

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

E-Print Network (OSTI)

correlate well with the better cycling performance of Al-doped LiMn2O4 in our Li-ion battery tests: LiAl0Single Nanorod Devices for Battery Diagnostics: A Case Study on LiMn2O4 Yuan Yang, Chong Xie nanostructure devices as a powerful new diagnostic tool for batteries with LiMn2O4 nanorod materials

Cui, Yi

192

Effect of Zn, Mn, and Fe on Cd accumulation in phytoplankton ...  

Science Journals Connector (OSTI)

We examined the effect of important controlling factors (free ion concentrations of Cd, Zn, and Mn and Fe limitation of growth rate) on Cd accumulation by an...

193

Diluted ferromagnetic semiconductor Li(Zn,Mn)P with decoupled charge and spin doping  

Science Journals Connector (OSTI)

We report the discovery of a diluted magnetic semiconductor, Li(Zn,Mn)P, in which charge and spin are introduced independently via lithium off-stoichiometry and the isovalent substitution of Mn2+ for Zn2+, respectively. Isostructural to (Ga,Mn)As, Li(Zn,Mn)P was found to be a p-type ferromagnetic semiconductor with excess lithium providing charge doping. First-principles calculations indicate that excess Li is favored to partially occupy the Zn site, leading to hole doping. Ferromagnetism with Curie temperature up to 34 K is achieved while the system still shows semiconducting transport behavior.

Z. Deng; K. Zhao; B. Gu; W. Han; J. L. Zhu; X. C. Wang; X. Li; Q. Q. Liu; R. C. Yu; T. Goko; B. Frandsen; L. Liu; Jinsong Zhang; Yayu Wang; F. L. Ning; S. Maekawa; Y. J. Uemura; C. Q. Jin

2013-08-21T23:59:59.000Z

194

Los Alamos laser selected for 2020 Mars mission  

NLE Websites -- All DOE Office Websites (Extended Search)

Los Alamos laser selected for 2020 Mars mission Los Alamos laser selected for 2020 Mars mission SuperCam builds upon the successful capabilities demonstrated aboard the Curiosity...

195

Los Alamos laser selected for 2020 Mars mission  

NLE Websites -- All DOE Office Websites (Extended Search)

Los Alamos laser selected for 2020 Mars mission Alumni Link: Opportunities, News and Resources for Former Employees Latest Issue:January 2015 All Issues submit Los Alamos laser...

196

From detonation to diapers: Los Alamos computer codes at core...  

NLE Websites -- All DOE Office Websites (Extended Search)

From detonation to diapers Los Alamos computer codes at core of advanced manufacturing tools The computer codes used for predictive fluid modeling are part of the Los Alamos...

197

100 supercomputers later, Los Alamos high-performance computing...  

NLE Websites -- All DOE Office Websites (Extended Search)

Issue:January 2015 All Issues submit 100 supercomputers later, Los Alamos high-performance computing still supports national security mission Los Alamos National Laboratory has...

198

100 supercomputers later, Los Alamos high-performance computing...  

NLE Websites -- All DOE Office Websites (Extended Search)

High-performance computing supports national security 100 supercomputers later, Los Alamos high-performance computing still supports national security mission Los Alamos National...

199

Jaqueline Kiplinger to receive F. Albert Cotton Award LOS ALAMOS...  

NLE Websites -- All DOE Office Websites (Extended Search)

Chemical Society award August 11, 2014 Jaqueline Kiplinger to receive F. Albert Cotton Award LOS ALAMOS, N.M., Aug. 11, 2014-Los Alamos National Laboratory scientist...

200

Survival, Economic Mobility, and Community Among Los Angeles Fruit Vendors  

E-Print Network (OSTI)

Community Among Los Angeles Fruit Vendors Rocio Rosales Howeconomic mobility of immigrant fruit vendors in Los Angelesof government enforcement, fruit vendors have implemented

Rosales, Rocio

2012-01-01T23:59:59.000Z

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While these samples are representative of the content of NLEBeta,
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We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

Los Alamos devices capture 'Oscars of Invention' awards  

NLE Websites -- All DOE Office Websites (Extended Search)

Los Alamos devices capture 'Oscars of Invention' awards Los Alamos devices capture 'Oscars of Invention' awards Safire oil-well measurement and AWS laser-based spectrometer for...

202

The City of Los Angeles LED Streetlight Program  

Energy.gov (U.S. Department of Energy (DOE))

View the video about the Los Angeles LED streetlight program, featuring an interview with City of Los Angeles Bureau of Street Lighting Director, Ed Ebrahimian.

203

Los Alamos National Security invests in Santa Fe Community College  

NLE Websites -- All DOE Office Websites (Extended Search)

invests in Santa Fe Community College Foundation July 16, 2009 College plans Sustainable Technology Center Los Alamos, New Mexico, July 16, 2009-Representatives from Los Alamos...

204

FRIDAY: Secretary Chu and Mayor Villaraigosa to Highlight Los...  

Office of Environmental Management (EM)

Secretary Chu and Mayor Villaraigosa to Highlight Los Angeles Electric Vehicle Deployment Success FRIDAY: Secretary Chu and Mayor Villaraigosa to Highlight Los Angeles Electric...

205

National Nuclear Security Administration LOS ALAMOS SITE OFFICE  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Security Administration LOS ALAMOS SITE OFFICE National Nuclear Security Administration CONTRACT MANAGEMENT PLAN For LOS ALAMOS NATIONAL LABORATORY CONTRACT NO. DE-AC52-06NA25396...

206

Los Alamos improves biomass-to-fuel process  

NLE Websites -- All DOE Office Websites (Extended Search)

Biomass-to-fuel Process Improved Los Alamos improves biomass-to-fuel process Los Alamos scientists and collaborators published an article in the scientific journal Nature Chemistry...

207

Manuel Lujan Jr. Neutron Scattering Center Los Alamos Neutron...  

NLE Websites -- All DOE Office Websites (Extended Search)

2013 LANSCE School on Neutron Scattering Geosciences & Materials in Extreme Environments Manuel Lujan Jr. Neutron Scattering Center Los Alamos Neutron Science Center Los Alamos...

208

CRAD, Quality Assurance - Los Alamos National Laboratory TA 55...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

CRAD, Emergency Management - Los Alamos National Laboratory TA 55 SST Facility CRAD, Conduct of Operations - Los Alamos National Laboratory TA 55 SST Facility CRAD,...

209

CRAD, Occupational Safety & Health - Los Alamos National Laboratory...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

- Los Alamos National Laboratory TA 55 SST Facility More Documents & Publications CRAD, Conduct of Operations - Los Alamos National Laboratory TA 55 SST Facility CRAD,...

210

CRAD, Conduct of Operations - Los Alamos National Laboratory...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Conduct of Operations - Los Alamos National Laboratory TA 55 SST Facility CRAD, Conduct of Operations - Los Alamos National Laboratory TA 55 SST Facility June 2005 A section of...

211

Four of Popular Science's 100 best innovations from Los Alamos...  

National Nuclear Security Administration (NNSA)

of Popular Science's 100 best innovations from Los Alamos, Sandia, Livermore Popular Science lists three of 100 best innovations from Los Alamos, Sandia Four of Popular Science's...

212

Safety System Oversight Assessment, Los Alamos National Laboratory...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Safety System Oversight Assessment, Los Alamos National Laboratory - May 2011 Safety System Oversight Assessment, Los Alamos National Laboratory - May 2011 May 2011 Safety System...

213

Los Alamos National Laboratory board renews plan for education...  

NLE Websites -- All DOE Office Websites (Extended Search)

renews giving plan Los Alamos National Laboratory board renews plan for education, economic development, charitable giving The Los Alamos National Security, LLC Board of...

214

Los Angeles County's Green Idea House Achieves Efficient Goals...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Angeles County's Green Idea House Achieves Efficient Goals Los Angeles County's Green Idea House Achieves Efficient Goals Photo of an energy-efficient home with modern...

215

Special Report Order, Los Alamos National Security, LLC - January...  

Office of Environmental Management (EM)

to Los Alamos National Security, LLC related to Glovebox Activities at TA-55 and Chemistry and Metallurgy Research Facilities at the Los Alamos National Laboratory On January...

216

NNSA honors Los Alamos in 2014 Sustainability Awards  

NLE Websites -- All DOE Office Websites (Extended Search)

2014 Sustainability Awards NNSA honors Los Alamos in 2014 Sustainability Awards Los Alamos is among the winners, with honorees in both the Best in Class and Environmental...

217

Inspection, Los Alamos National Laboratory - January 2008 | Department...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Inspection, Los Alamos National Laboratory - January 2008 January 2008 Inspection of Environment, Safety and Health Programs at the Los Alamos National Laboratory This report...

218

LOS ALAMOS, New Mexico, April 22, 2009-Los Alamos National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

Recherches sur les Macromolcules Vgtales in France, Los Alamos researcher Paul Langan used neutrons to probe the crystalline structure of highly crystalline cellulose, much...

219

Los Alamos, New Mexico, September 2, 2009-An award-winning Los...  

NLE Websites -- All DOE Office Websites (Extended Search)

strikes a chord with algal biofuels September 2, 2009 Award-winning acoustic focusing technology will help create 'green gold' Los Alamos, New Mexico, September 2, 2009-An...

220

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

E-Print Network (OSTI)

&M University, College Station, Texas 77843-4242, USA 3Institute of Physics, ASCR, v.v.i., Cukrovarnicka 10, 162 53 Praha 6, Czech Republic 4School of Physics and Astronomy, University of Nottingham, Nottingham NG7 2RD, United Kingdom #1;Received 27 November.... Unlike earlier theoretical work15,16 which ad- dressed quantum interference in ferromagnets, we focus our study on a four-band model which is directly relevant to the valence bands of #1;Ga,Mn#2;As. We demonstrate that the quan- tum interference...

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

2009-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
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221

Surface morphology and magnetic anisotropy in (Ga,Mn)As  

E-Print Network (OSTI)

Atomic Force Microscopy and Grazing incidence X-ray diffraction measurements have revealed the presence of ripples aligned along the $[1\\bar{1}0]$ direction on the surface of (Ga,Mn)As layers grown on GaAs(001) substrates and buffer layers, with periodicity of about 50 nm in all samples that have been studied. These samples show the strong symmetry breaking uniaxial magnetic anisotropy normally observed in such materials. We observe a clear correlation between the amplitude of the surface ripples and the strength of the uniaxial magnetic anisotropy component suggesting that these ripples might be the source of such anisotropy.

S. Piano; X. Marti; A. W. Rushforth; K. W. Edmonds; R. P. Campion; O. Caha; T. U. Schulli; V. Holy; B. L. Gallagher

2010-10-01T23:59:59.000Z

222

Clean Tech Los Angeles | Open Energy Information  

Open Energy Info (EERE)

Los Angeles Los Angeles Jump to: navigation, search Name Clean Tech Los Angeles Place Los Angeles, California Zip 90017 Region Southern CA Area Notes Collaboration between CRA/LA, Caltech, DWP, JPL, Mayor's Office, Port UCLA, and USC to establish Los Angeles as the global leader in research, commercialization, and deployment of clean technologies Website http://cleantechlosangeles.org Coordinates 34.0543797°, -118.2672801° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":34.0543797,"lon":-118.2672801,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

223

The smartest house in Los Alamos  

NLE Websites -- All DOE Office Websites (Extended Search)

The Smartest House In Los Alamos The Smartest House In Los Alamos Community Connections: Our link to Northern New Mexico Communities Latest Issue:Dec. 2013 - Jan. 2014 All Issues » submit The smartest house in Los Alamos The first project in the United States to demonstrate how "smart grid" technology could provide residential customers with a significant amount of their electricity from renewable resources is open and getting ready for visitors. October 1, 2012 dummy image Read our archives Contacts Editor Linda Anderman Email Community Programs Office Kurt Steinhaus Email The first project in the United States to demonstrate how "smart grid" technology could provide residential customers with a significant amount of their electricity from renewable resources is open and getting ready for

224

Los Alamos identifies internal material control issue  

NLE Websites -- All DOE Office Websites (Extended Search)

Internal material control issue Internal material control issue Los Alamos identifies internal material control issue The error relates to internal inventory and accounting that documents movement of sensitive materials within a small portion of Technical Area 55. February 26, 2009 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials.

225

Los Alamos researchers create 'map of science'  

NLE Websites -- All DOE Office Websites (Extended Search)

Map of science Map of science Los Alamos researchers create 'Map of Science' A high-resolution graphic depiction of the virtual trails scientists leave behind when they retrieve information from online services. March 11, 2009 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Contact James E. Rickman

226

Los Alamos National Laboratory sponsors Hazmat Challenge  

NLE Websites -- All DOE Office Websites (Extended Search)

Hazmat Challenge Hazmat Challenge Los Alamos National Laboratory sponsors Hazmat Challenge The challenge provides hazardous materials responders the opportunity to network and learn new techniques under realistic conditions in a safe environment. July 27, 2009 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials.

227

Los Alamos wins 2008 Pollution Prevention awards  

NLE Websites -- All DOE Office Websites (Extended Search)

2008 Pollution Prevention awards 2008 Pollution Prevention awards Los Alamos wins 2008 Pollution Prevention awards Winner of two Best-in-Class Pollution Prevention awards and six Environmental Stewardship awards from the National Nuclear Security Administration. February 7, 2008 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials.

228

Los Alamos National Security supports community nonprofits  

NLE Websites -- All DOE Office Websites (Extended Search)

LANS supports community nonprofits LANS supports community nonprofits Los Alamos National Security supports community nonprofits Nonprofit organizations are receiving more than $80,300 as a result of the volunteer efforts of LANL employees and retirees. June 1, 2009 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Contact

229

Minnesota Innovation Partnerships (MN-IP) Try and Buy MN-IP Try and Buy --for companies interested in licensing existing U of M inventions  

E-Print Network (OSTI)

is executed BUY (LICENSE) · Low, published royalty rate, with first $1 million of product sales royalty-free · Royalty rates based on industry comparables · Royalty rate discount for MN operating companies2 · Royalty

Minnesota, University of

230

Efficient Mn-doped CdS quantum dot sensitized solar cells based on SnO2 microsphere photoelectrodes  

Science Journals Connector (OSTI)

Mn-doped CdS quantum dot sensitized solar cells based on...2...microsphere photoelectrodes are prepared with successive ionic layer adsorption and reaction method. It is found that with Mn-doped CdS quantum dot s...

Lu Liu; Miaoliang Huang; Zhang Lan

2014-02-01T23:59:59.000Z

231

Exchange interaction mediated ferroelectricity in multiferroic MnTiO{sub 3} with anisotropic orbital hybridization and hole delocalization  

SciTech Connect

We present the orbital structure of MnTiO{sub 3} with polarization dependent x-ray absorption and resonant x-ray emission spectra accompanied with electronic structure calculations. The results clearly indicate a strongly anisotropic O 2p-Mn 3d orbital hybridization whereas the Mn 3d hole state shows a highly delocalized characteristic ascribed to the 3d-4p mixing. The extended Mn 4p orbital could enhance the exchange interaction between Mn (3d)-O (2p)-Mn (3d) leading to an asymmetric charge distribution in Mn-O bonds. The delocalized characteristic of Mn 3d holes is indispensable to the mechanism of spin-dependent-metal-ligand hybridization to explain magnetically induced ferroelectricity.

Chen, S. W.; Fu, S. W.; Lee, J. M.; Lee, J. F.; Pao, C. W.; Ishii, H.; Tsuei, K. D.; Hiraoka, N.; Lu, K. T.; Chen, J. M., E-mail: jeng@phys.nthu.edu.tw, E-mail: xiaolin@uow.edu.au, E-mail: jmchen@nsrrc.org.tw [National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan (China); Lin, P. A. [Department of Physics, National Tsing Hua University, Hsinchu 30013, Taiwan (China); Jeng, H. T., E-mail: jeng@phys.nthu.edu.tw, E-mail: xiaolin@uow.edu.au, E-mail: jmchen@nsrrc.org.tw [Department of Physics, National Tsing Hua University, Hsinchu 30013, Taiwan (China); Institute of Physics, Academia Sinica, Taipei 11529, Taiwan (China); Chen, D. P.; Dou, S. X.; Wang, X. L., E-mail: jeng@phys.nthu.edu.tw, E-mail: xiaolin@uow.edu.au, E-mail: jmchen@nsrrc.org.tw [Institute for Superconducting and Electronic Materials, Australian Institute of Innovative, Materials, University of Wollongong, North Wollongong, NSW 2500 (Australia)

2014-02-24T23:59:59.000Z

232

Surface characterization of LaMnO{sub 3+{delta}} powder synthesized using poly(acrylic acid)  

SciTech Connect

The La/Mn ratio, specific surface area, and catalytic activity for CO oxidation on perovskite-type LaMnO{sub 3+{delta}} synthesized by firing gels with poly(acrylic acid) (PAA) were measured to characterize the LaMnO{sub 3+{delta}} surface. LaMnO{sub 3+{delta}} synthesized by gel firing with low PAA concentration had a large specific surface area, but a Mn ion content lower than that of LaMnO{sub 3+{delta}} synthesized using acetates. Increasing the PAA concentration or the firing temperature improved the surface state of LaMnO{sub 3+{delta}}. At 5 x 10{sup -2}M PAA, the catalytic activity was better than that of LaMnO{sub 3+{delta}} synthesized using acetates.

Taguchi, Hideki; Yoshioka, Hideaki; Nagao, Mahiko [Okayama Univ. (Japan)

1995-05-01T23:59:59.000Z

233

Magnetic properties changes of MnAs thin films irradiated with highly charged ions  

E-Print Network (OSTI)

transition from hexagonal ( phase) to orthorhombic ( phase, MnP type) is accompanied by a ferromagnetic transition that leads to the - phase coexistence over a large range of temperatures (10­45 C [9Magnetic properties changes of MnAs thin films irradiated with highly charged ions M. Trassinellia

234

Biphasic quantum dots of cubic and hexagonal Mn doped CdS; necessity of Rietveld analysis  

Science Journals Connector (OSTI)

Abstract Mn2+ doped CdS quantum dots (QDs) were prepared via a simple chemical synthesis method. Incorporation of Mn ions into CdS \\{QDs\\} was monitored by structural, magnetic and optical spectroscopy analysis. Although the diffraction patterns seemed to be single wurtzite hexagonal structure, analysis revealed biphasic composite of CdS \\{QDs\\} hexagonal wurtzite and cubic zinc blende. The band gap, crystal phase and the morphology of CdS \\{QDs\\} were found not to be greatly affected by Mn2+ doping, however there was an optimal Mn2+ doping content of 10% where the magnetism is maximum. The recorded photoluminescence (PL) emission spectra, excited at 370nm, depict emission lines in the UV and blue-shift regions. The emission band reveals that the band gap of pure CdS \\{QDs\\} is around 3eV which is greater than that of bulk CdS (2.42eV). The band gap of Mn:CdS \\{QDs\\} is almost independent of Mn content (x) and the crystallite size remains almost the same for all values of x. The observed structural, magnetic and optical properties have been explained on the basis of formation of two phases of CdS doped with Mn. This work aims to highlight recent advances in the synthesis of Mn:CdS diluted magnetic semiconductor quantum dots and their wonderful performance.

Zein K. Heiba; Mohamed Bakr Mohamed; N.G. Imam

2015-01-01T23:59:59.000Z

235

Photopumping of a C iii ultraviolet laser by Mn vi line radiation  

Science Journals Connector (OSTI)

Multiple-pass gain is reported at 2177 and 2163 A? in C iii ions in a vacuum-arc discharge, pumped by Mn vi line radiation from a laser-produced Mn plasma. These Be-like uv lasers pumped by resonant photoexcitation are prototypes for soft x-ray lasers in higher-Z, isoelectronic analogs.

Niansheng Qi and Mahadevan Krishnan

1987-11-02T23:59:59.000Z

236

Processing and optimization of bulk La??[x]Ca[x]MnO?[][delta  

E-Print Network (OSTI)

The following explores the first systematic research conducted at Texas A&M University studying preparation techniques of the bulk La1-x-Cax-Mn-O3"d colossal magnetoresistance (CMR) family. Three sample sets of La1-x-Cax-Mn-O3"d were fabricated...

Ybarra, Ignacio

2013-02-22T23:59:59.000Z

237

Structural, Electrochemical, and Spectroscopic Investigation of Acetate Bridged Dinuclear Tetrakis-Schiff Base Macrocycles of Mn  

E-Print Network (OSTI)

resembling the oxygen-evolving complex (OEC) in photosystem II and dimanganese catalase enzymes, resulting+ and Zn2LAc+ , the two metal centers are bridged by an acetate ligand. [Mn2LAc](ClO4)·(DMF)0.5, [Mn2LAc for substrate molecules bound to redox active metal centers.5-10 In 1970, Robson showed that dinuclear tetrakis

Dinolfo, Peter H.

238

Phase Transition Disappearance in Li1+?Mn2-?O4 Depended on Lithium Excess  

Science Journals Connector (OSTI)

Manganese spinel LiMn2O4 may replace the commercial cathode material, LiCoO2, which is more expensive and toxic. Stoichiometric LiMn2O4 shows a phase transition from cubic (Fd3m) to orthorhombic (Fddd) structure ...

M. Molenda; R. Dziembaj

2002-01-01T23:59:59.000Z

239

Impedance studies of the thin film LiMn2O4/electrolyteinterface  

SciTech Connect

Room-temperature impedance measurements of a thin-film LiMn2O4/LiPF6-EC-DMC interface have been used to identify the spontaneous formation Li2Mn2O4 at the interface at room temperature at voltages of 3.7 and higher. The impedance of the LiMn2O4 films exhibited two time constants: at about 14 kHz and 60 to 200 Hz. The high frequency loop is dependent on film morphology and was attributed to the substrate/oxide interface. The low frequency behavior was dependent on both state-of-charge (SOC) and time at a given SOC. At full charge the impedance in this electrolyte was stable at room temperature over several days. At high lithium contents, film OCV and impedance tended to grow logarithmically with time, with lower rates for lower Mn3+ content in the film. The increased impedance was removed by oxidation of the film to 4.5V vs. Li/Li+. The observations are consistent with a reversible disproportionation of part of the LiMn2O4 into Li2Mn2O4 and a lithium-deficient spinel. With extended constant current cycling part of the Li2Mn2O4 degrades to the Mn2O3 and the process is no longer reversible.

Striebel, Kathryn A.; Sakai, E.; Cairns, Elton J.

2001-04-07T23:59:59.000Z

240

Semimetallic antiferromagnetism in the half-Heusler compound CuMnSb Ruben Weht,2  

E-Print Network (OSTI)

CuMnSb, the first antiferromagnet AFM in the Mn-based class of Heuslers and half-Heuslers that contains several conventional and half metallic ferromagnets, shows a peculiar stability of its magnetic order in high magnetic fields. Density functional based studies reveal an unusual nature of its unstable

Pickett, Warren

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

2013 MnDOT Environmental Stewardship Workshop Transportation Program and Project Development in a Changing Environment  

E-Print Network (OSTI)

in a Changing Environment May 7, 2013 7:30 ­ 8:00 am REGISTRATION and CONTINENTAL BREAKFAST 8:00 ­ 8:15 am of Environmental Stewardship (OES), MnDOT Jon Chiglo, Director, Engineering Services Division, MnDOT 8:15 ­ 8:30 am will review the immediate repair efforts, emergency response coordination, fast track design & letting

Minnesota, University of

242

Tunable White-Light-Emitting Mn-Doped ZnSe Nanocrystals Vijay Kumar Sharma,  

E-Print Network (OSTI)

Tunable White-Light-Emitting Mn-Doped ZnSe Nanocrystals Vijay Kumar Sharma, Burak Guzelturk, Talha report white-light-emitting Mn-doped ZnSe nanocrystals (NCs) that are synthesized using modified orange emission (580 nm), allowed us to achieve excitation wavelength tailorable white-light generation

Demir, Hilmi Volkan

243

Los Alamos plants willows for flood June 18, 2014  

E-Print Network (OSTI)

for flood recovery Los Alamos National Laboratory's Associate Directorate for Environmental Programs (ADEP

244

Independent Oversight Review, Los Alamos National Laboratory- May 2012  

Energy.gov (U.S. Department of Energy (DOE))

Review of Site Preparedness for Severe Natural Phenomena Events at the Los Alamos National Laboratory

245

Independent Oversight Review, Los Alamos National Laboratory December 2013  

Energy.gov (U.S. Department of Energy (DOE))

Review of the Technical Area 55 Safety Class Fire Suppression System at Los Alamos National Laboratory

246

Independent Oversight Review, Los Alamos National Laboratory- July 2014  

Energy.gov (U.S. Department of Energy (DOE))

Review of the Los Alamos National Laboratory Transuranic Waste Facility Safety Basis and Design Development

247

Enterprise Assessments Review, Los Alamos National Laboratory- November 2014  

Energy.gov (U.S. Department of Energy (DOE))

Review of the Los Alamos National Laboratory Weapons Engineering Tritium Facility Fire Suppression System

248

Record Series Descriptions: Los Alamos National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

Los Alamos National Laboratory Los Alamos National Laboratory Project Y (MED Era Director's Office & Lab Management) Records Director's Office & Laboratory Management Files Director's Office & Laboratory Management Files (microfilm) Robert Underhill Files Records of CMB DO (Chemistry-Metallurgy-Baker Division Offices) GMX-5 (Dynamic Weapons Testing Division), RaLa (Radiolanthanum) Groups Test Records Health Division Central Administrative Records H-4 (Bio-Medical Research Subdivision of Health Division) Central Administrative Records Bio-Medical Research Group, Wright Langham Papers Records of J-Division (Weapons Testing), Central Administrative Files Records of N-Division (Nuclear Rocket Propulsion Division), Rover Program Central Administrative Files Medium Energy Physics Division, Central File Records

249

Los Alamos National Laboratory Selects Three Small Businesses for  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos National Laboratory Selects Three Small Businesses for Los Alamos National Laboratory Selects Three Small Businesses for Environmental Work Los Alamos National Laboratory Selects Three Small Businesses for Environmental Work September 23, 2013 - 1:39pm Addthis Remediation work in a Los Alamos canyon, photo from Los Alamos National Laboratory. Remediation work in a Los Alamos canyon, photo from Los Alamos National Laboratory. Editor's Note: This article is from Los Alamos National Laboratory. LOS ALAMOS, N.M., September 23, 2013-Los Alamos National Laboratory has awarded master task order agreements to three small businesses for environmental support services work worth up to $400 million within a five-year period. The businesses were selected based on a technical proficiency and lowest price basis. The companies-Terranear PMC, Navarro Research and

250

Mn-doping-induced itinerant-electron ferromagnetism in Cr2GeC  

Science Journals Connector (OSTI)

The magnetism of the Mn+1AXn phase, Cr2GeC, and its Mn-doped system, (Cr1?xMnx)2GeC (x?0.25), synthesized via a solid state reaction, was investigated systematically. Cr2GeC is in a spin-unpolarized state, but the ferromagnetic band polarization is induced immediately by the Mn doping. The Curie temperature, TC, and the spontaneous moment, ps, increase almost proportionally to the Mn concentration, strongly suggesting that Cr2GeC is located in the vicinity of a ferromagnetic quantum critical point. The strong concentration dependence of peff/ps, where peff is the effective moment in the paramagnetic state, indicates that the ferromagnetism appearing in the Mn-doped Cr2GeC can be classified as a typical itinerant-electron ferromagnetism in a wide range of the degree of electron localization.

Z. Liu; T. Waki; Y. Tabata; H. Nakamura

2014-02-28T23:59:59.000Z

251

Epitaxial growth and ferrimagnetic properties of Mn film on GaSb(100)  

SciTech Connect

We report on the epitaxial stabilization and magnetic properties of Mn films on GaSb(100) using molecular beam epitaxy, a follow-up to our previous work on the growth of Mn films on GaAs(100) [Phys. Rev. B 79, 045309 (2009)]. A strong ferrimagnetic ordering was observed which was attributed to the largely expanded lattice parameter resulting from the lattice mismatch with substrate and the enhanced thermal energy with increasing growth temperature. The observed magnetic moment of 1.16{mu}{sub B}/Mn atom was several times larger than that observed in the Mn/GaAs(100) films due to the lattice constant difference of substrates. The in-plane magnetoresistance behavior demonstrated the magnetic anisotropy that might result from the slightly distorted cubic structure of {alpha}-Mn phase under low-dimensional growth.

Feng Wuwei; Dung, Dang Duc; Shin, Yooleemi; Cho, Sunglae [Department of Physics, University of Ulsan, Ulsan 680-749 (Korea, Republic of); Choi, Jeongyong [IT Convergence Technology Research Laboratory, Electronics and Telecommunications Research Institute, Daejeon 305-700 (Korea, Republic of)

2010-05-15T23:59:59.000Z

252

Giant atomic displacement at a magnetic phase transition in metastable Mn3O4  

SciTech Connect

We present x-ray, neutron scattering, and heat capacity data that reveal a coupled first-order magnetic and structural phase transition of the metastable mixed-valence postspinel compound Mn3O4 at 210 K. Powder neutron diffraction measurements reveal a magnetic structure in which Mn3+ spins align antiferromagnetically along the edge-sharing a axis, with a magnetic propagation vector k = [1/2,0,0]. In contrast, the Mn2+ spins, which are geometrically frustrated, do not order until a much lower temperature. Although the Mn2+ spins do not directly participate in the magnetic phase transition at 210 K, structural refinements reveal a large atomic shift at this phase transition, corresponding to a physical motion of approximately 0.25 angstrom, even though the crystal symmetry remains unchanged. This "giant" response is due to the coupled effect of built-in strain in the metastable postspinel structure with the orbital realignment of the Mn3+ ion.

Hirai, Shigeto [Stanford University; Moreira Dos Santos, Antonio F [ORNL; Shapiro, Max C [Stanford University; Molaison, Jamie J [ORNL; Pradhan, Neelam [ORNL; Guthrie, Malcolm [Carnegie Institution of Washington; Tulk, Christopher A [ORNL; Fisher, Ian R [Stanford University; Mao, Wendy [Stanford University

2013-01-01T23:59:59.000Z

253

Structural and Magnetic Properties of Co-Mn-Sb Thin films  

SciTech Connect

Thin Co-Mn-Sb films of different compositions were investigated and utilized as electrodes in alumina based magnetic tunnel junctions with CoFe counterelectrode. The preparation conditions were optimized with respect to magnetic and structural properties. The Co-Mn-Sb/Al-O interface was analyzed by x-ray absorption spectroscopy and magnetic circular dichroism with particular focus on the element-specific magnetic moments. Co-Mn-Sb crystallizes in different complex cubic structures depending on its composition. The magnetic moments of Co and Mn are ferromagnetically coupled in all cases. A tunnel magnetoresistance ratio of up to 24% at 13 K was found and indicates that Co-Mn-Sb is not a ferromagnetic half-metal. These results are compared to recent works on the structure and predictions of the electronic properties.

Meinert, M.; Schmalhorst, J.-M.; Ebke, D.; Liu, N. N.; Thomas, A.; Reiss, G.; Kanak, J.; Stobiecki, T.; Arenholz, E.

2009-12-17T23:59:59.000Z

254

Magnetism of NiMn2O4-Fe3O4 spinel interfaces  

SciTech Connect

We investigate the magnetic properties of the isostructural spinel-spinel interface of NiMn{sub 2}O{sub 4}(NMO)-Fe{sub 3}O{sub 4}. Although the magnetic transition temperature of the NMO film is preserved, both bulk and interface sensitive measurements demonstrate that the interface exhibits strong interfacial magnetic coupling up to room temperature. While NMO thin films have a ferrimagnetic transition temperature of 60 K, both NiFe{sub 2}O{sub 4} and MnFe{sub 2}O{sub 4} are ferrimagnetic at room temperature. Our experimental results suggest that these magnetic properties arise from a thin interdiffused region of (Fe,Mn,Ni){sub 3}O{sub 4} at the interface, leading to Mn and Ni magnetic properties similar to those of MnFe{sub 2}O{sub 4} and NiFe{sub 2}O{sub 4}.

Arenholz, Elke; Nelson-Cheeseman, B. B.; Chopdekar, R. V.; Bettinger, J. S.; Arenholz, E.; Suzuki, Y.

2007-09-13T23:59:59.000Z

255

Surface characterization of LaMnO{sub 3+{delta}} powder annealed in air  

SciTech Connect

Perovskite-type LaMnO{sub 3+{delta}}, synthesized using poly(acrylic acid) (PAA), was annealed at 400 and 700{degrees}C in air for 6-54 hr. The crystallite size, the specific surface area, the La/Mn ratio, and the catalytic activity of LaMnO{sub 3+{delta}} were measured to characterize the surface. The specific surface area decreased slightly with increasing annealing time, while the La/Mn ratio of the surface, calculated from the XPS measurements, was independent of annealing time. The catalytic activity for the oxidation of CO increased with annealing. These results suggest that annealing improved the crystallinity (regularity of the ions) of the LaMnO{sub 3+{delta}} surface.

Taguchi, H.; Sugita, A.; Nagao, M. [Okayama Univ. (Japan)] [and others] [Okayama Univ. (Japan); and others

1995-10-01T23:59:59.000Z

256

Electronic structure of the molecule-based magnet MnN,,CN...22 from theory and experiment  

E-Print Network (OSTI)

, Louisiana 70118 Received 27 November 2001; published 24 July 2002 The electronic structure of the Mn-based determined recently by Kurmoo and Kepert.2,3 More recently, x-ray structure of the Mn-based material has beenElectronic structure of the molecule-based magnet MnN,,CN...22 from theory and experiment M. R

Liu, Amy Y.

257

Porous Metal-Organic Framework with Coordinatively Unsaturated MnII Sites:Sorption Properties for Various Gases  

E-Print Network (OSTI)

Porous Metal-Organic Framework with Coordinatively Unsaturated MnII Sites:Sorption Properties solid [Mn(NDC)]n (2), which contains coordinatively unsaturated MnII sites, reveals remarkable sorption capabilities for N2, H2, CO2, and CH4 gases and exhibits type I sorption behavior indicative of permanent

Paik Suh, Myunghyun

258

Los recursos humanos y sus desequilibrios mitigables  

Science Journals Connector (OSTI)

Resumen En este trabajo se discuten los desequilibrios de los mercados de profesionales sanitarios que son sensibles a las polticas. En Espaa, las dotaciones actuales siguen siendo el resultado de fenmenos demogrficos y socioeconmicos no previstos. Hay dficits selectivos en algunas especialidades y zonas, que muy probablemente se agravarn en los prximos aos, por las causas objetivas que se analizan en el texto. Se propone aumentar progresivamente el numerus clausus de medicina y la oferta de plazas MIR, y utilizar incentivos de distintos tipos e intensidades para atraer y mantener a los profesionales en determinados puestos, y particularmente para aumentar el prestigio y la calidad de la atencin primaria. In this paper, the policy-sensitive imbalances in the health professional markets are discussed. In Spain, the current staffing levels are still the result of unforeseen demographic and socio-economic developments. In some specialties and areas, there are selective shortages which in all likelihood will become more serious in the coming years due to the objective causes analyzed in this text. We propose a gradual increase in the medical schools numerus clausus and in the number of resident's positions, the use of a variety of incentives to attract professionals to specific positions and, particularly, to increase the standing and quality of primary care.

Beatriz Gonzlez Lpez-Valcrcel; Patricia Barber-Prez

2006-01-01T23:59:59.000Z

259

Independent Activity Report, Los Alamos National Laboratory - April 2010 |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Activity Report, Los Alamos National Laboratory - April Activity Report, Los Alamos National Laboratory - April 2010 Independent Activity Report, Los Alamos National Laboratory - April 2010 April 2010 Los Alamos Site Office Assessment of Fire Protection Activities at the Los Alamos National Laboratory The U.S. Department of Energy Office of Independent Oversight, within the Office of Health, Safety and Security, in coordination with the Los Alamos Site Office (LASO), provided a technical expert to conduct several fire protection oversight activities, including validation of Los Alamos County's Fire Hydrant Flow Test Methodology and a review of Los Alamos National Laboratory Equivalency Request Review Process in support of LASO oversight of the contractor. Independent Activity Report, Los Alamos National Laboratory - April 2010

260

Magnetic phase diagram of magnetoelectric LiMnPO4  

SciTech Connect

The nature of the spin-flop (SF) transition in the magnetoelectric quasi-2D Heisenberg system LiMnPO4 is studied in fields applied along the a axis. A refinement of the magnetic structure using neutron diffraction data in the SF phase reveals that the spins reorient from being parallel to the a axis to be nearly along the c axis at magnetic fields between 4 and 4.7 T, depending on temperature. The low-field antiferromagnetic phase boundary is shown to join the spin-flop line tangentially at the so-called bicritical point, where there is a suppression of the ordering temperature. At the bicritical field, we observe an increased intensity of the Lorentz broadened elastic scattering at magnetic Bragg peaks above TN as compared to zero field and 10 T, without an increase in peak width. This suggests an increased density of fluctuations at the bicritical field as compared to zero field.

Toft-Petersen, Rasmus; Andersen, Niels H.; Li, Haifeng; Li, Jiying; Tian, Wei; Budko, Serguei L.; Jensen, Thomas B.S.; Niedermayer, Christof; Laver, Mark; Zaharko, Oksana; Lynn, Jeffrey W.; Vaknin, David

2012-06-14T23:59:59.000Z

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

EA-1131: Relocation of Neutron Tube Target Loading Operation, Los Alamos Laboratory, Los Alamos, New Mexico  

Energy.gov (U.S. Department of Energy (DOE))

This EA evaluates the environmental impacts of the proposal to relocate the Neutron Tube Target Loading operations at the U.S. Department of Energy Los Alamos National Laboratory in New Mexico from...

262

LOS ALAMOS, N.M., July 24, 2014-Dipen Sinha of Los Alamos National...  

NLE Websites -- All DOE Office Websites (Extended Search)

Acoustics topic of upcoming Frontiers in Science series July 24, 2014 Tapping sound waves to address energy, national security challenges LOS ALAMOS, N.M., July 24, 2014-Dipen...

263

EIS-0018: Continued Operation of Los Alamos Scientific Laboratory Site, Los Alamos, New Mexico  

Energy.gov (U.S. Department of Energy (DOE))

The U.S. Department of Energy prepared this statement to assesses the potential cumulative environmental impacts associated with current, known future, and continuing activities at the Los Alamos Scientific Laboratory site.

264

LOS ALAMOS, N.M., June 4, 2013-Los Alamos National Laboratory researchers  

NLE Websites -- All DOE Office Websites (Extended Search)

Using laser-driven neutrons to stop Using laser-driven neutrons to stop nuclear smugglers June 4, 2013 Los Alamos shows first nuclear material detection by single short-pulse-laser-driven neutron source LOS ALAMOS, N.M., June 4, 2013-Los Alamos National Laboratory researchers have successfully demonstrated for the first time that laser-generated neutrons can be enlisted as a useful tool in the War on Terror. The international research team in February used the short-pulse laser at Los Alamos's TRIDENT facility to generate a neutron beam with novel characteristics that interrogated a closed container to confirm the presence and quantity of nuclear material inside. The successful experiment paves the way for creation of a table-top-sized or truck-mounted - 2 - neutron generator that could be installed at strategic locations worldwide to thwart

265

EA-1247: Electrical Power System Upgrades at Los Alamos National Laboratory, Los Alamos, New Mexico  

Energy.gov (U.S. Department of Energy (DOE))

This EA evaluates the environmental impacts for the proposal to upgrade the electrical power supply system for the U.S. Department of Energy Los Alamos National Laboratory to increase the...

266

Interfacial studies of a thin-film Li2Mn4O9 electrode  

NLE Websites -- All DOE Office Websites (Extended Search)

Interfacial studies of a thin-film Li2Mn4O9 electrode Interfacial studies of a thin-film Li2Mn4O9 electrode Title Interfacial studies of a thin-film Li2Mn4O9 electrode Publication Type Journal Article Year of Publication 1999 Authors Kostecki, Robert, Fanping Kong, Yoshiaki Matsuo, and Frank R. McLarnon Journal Electrochimica Acta Volume 45 Pagination 225-233 Keywords interfacial films, manganese oxide electrode Abstract A thin-film spinel Li2Mn4O9 electrode was prepared by spin coating onto a Pt substrate. Spectroscopic ellipsometry, X-ray diffraction and current-sensing atomic force microscopy (CSAFM) were used to characterize interfacial processes and film formation at this electrode in the presence of 1.0 M LiPF6, EC:DMC (1:1 by volume) electrolyte. Prolonged exposure of the film to the electrolyte at ambient temperature resulted in spontaneous decomposition of the spinel to λ-MnO2 without disruption of the original structure. The surface of the resulting λ-MnO2 film exhibited no significant change in morphology, however a thin passive electrode surface layer was detected by the CSAFM probe. This electrode surface layer exhibited insulating properties and most likely contained Li2O, a by-product of Li2Mn4O9 decomposition.

267

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

SciTech Connect

We have studied ferromagnetism of Mn-implanted epitaxial Ge films on silicon. The Ge films were grown by ultrahigh vacuum chemical vapor deposition using a mixture of germane (GeH{sub 4}) and methylgermane (CH{sub 3}GeH{sub 3}) gases with a carbon concentration of less than 1 at. %, and observed surface rms roughness of 0.5 nm, as measured by atomic force microscopy. Manganese ions were implanted in epitaxial Ge films grown on Si (100) wafers to an effective concentration of 16, 12, 6, and 2 at. %. Superconducting quantum interference device measurements showed that only the three highest Mn concentration samples are ferromagnetic, while the fourth sample, with [Mn] = 2 at. %, is paramagnetic. X-ray absorption spectroscopy and x-ray magnetic circular dichroism measurements indicate that localized Mn moments are ferromagnetically coupled below the Curie temperature. Isothermal annealing of Mn-implanted Ge films with [Mn] = 16 at. % at 300 C for up to 1200 s decreases the magnetization but does not change the Curie temperature, suggesting that the amount of the magnetic phase slowly decreases with time at this anneal temperature. Furthermore, transmission electron microscopy and synchrotron grazing incidence x-ray diffraction experiments show that the Mn-implanted region is amorphous, and we believe that it is this phase that is responsible for the ferromagnetism. This is supported by our observation that high-temperature annealing leads to recrystallization and transformation of the material into a paramagnetic phase.

Guchhait, S.; Jamil, M.; Ohldag, H.; Mehta, A.; Arenholz, E.; Lian, G.; Li Fatou, A.; Ferrer, D. A.; Markert, J. T.; Colombo, L.; Banerjee, S. K.

2011-01-05T23:59:59.000Z

268

Ferrimagnetism and disorder of epitaxial Mn2-xCoxVAl Heusler compound thin films  

SciTech Connect

The quaternary full Heusler compound Mn{sub 2-x}Co{sub x}VAl with x = 1 is predicted to be a half-metallic antiferromagnet. Thin films of the quaternary compounds with x = 0-2 were prepared by dc and RF magnetron co-sputtering on heated MgO (0 0 1) substrates. The magnetic structure was examined by x-ray magnetic circular dichroism and the chemical disorder was characterized by x-ray diffraction. Ferrimagnetic coupling of V to Mn was observed for Mn{sub 2}VAl (x = 0). For x = 0.5, we also found ferrimagnetic order with V and Co antiparallel to Mn. The observed reduced magnetic moments are interpreted with the help of band structure calculations in the coherent potential approximation. Mn{sub 2}VAl is very sensitive to disorder involving Mn, because nearest-neighbour Mn atoms couple antiferromagnetically. Co{sub 2}VAl has B2 order and has reduced magnetization. In the cases with x {ge} 0.9 conventional ferromagnetism was observed, closely related to the atomic disorder in these compounds.

Meinert, Markus; Schmalhorst, Jan-Michael; Reiss, Gunter; Arenholz, Elke

2011-01-29T23:59:59.000Z

269

Framework-incorporated Mn and Co analcime zeolites: Synthesis and characterization  

SciTech Connect

The framework-substituted cobalt and manganese analcime zeolites were synthesized via a direct hydrothermal approach. The obtained samples were characterized by XRD powder, SEM-EDX, nitrogen physical adsorption, Raman microscopy, diffuse reflectance UV-Vis and IR spectroscopy which complementarily demonstrated the incorporation of cobalt and manganese into the zeolites framework. The results showed that substitution of Mn and Co could be placed in two synthesis gels with same compositions containing Al/Mn=5 and Al/Co=4 mol ratios, respectively. In addition, with replacing Al with Mn and synthesis of Mn-modified analcime, zeolite with higher surface area and pore volume could be achieved than the Co modified analcime. - Graphical abstract: The images and adsorption-desorption isotherms of N{sub 2} at 77 K for (a) Co (b) Mn modified analcime. Highlights: Black-Right-Pointing-Pointer Synthesis of Co and Mn modified analcime for the first time. Black-Right-Pointing-Pointer Framework-incorporation of Co and Mn using the same silicate gel composition. Black-Right-Pointing-Pointer Applying several techniques to provide proofs for the characterization.

Azizi, Seyed Naser, E-mail: azizi@umz.ac.ir [Analytical Division, Faculty of Chemistry, University of Mazandaran, P.O. Box 47416-95447, Babolsar (Iran, Islamic Republic of); Ehsani Tilami, Salma [Analytical Division, Faculty of Chemistry, University of Mazandaran, P.O. Box 47416-95447, Babolsar (Iran, Islamic Republic of)] [Analytical Division, Faculty of Chemistry, University of Mazandaran, P.O. Box 47416-95447, Babolsar (Iran, Islamic Republic of)

2013-02-15T23:59:59.000Z

270

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

SciTech Connect

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.

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

271

DAFS study of site-specific local structure of Mn in manganese ferrite films.  

SciTech Connect

Manganese ferrite (MnFe{sub 2}O{sub 4}) is a well-known magnetic material widely used in electronics for many years. It is well established that its magnetic behavior is strongly influenced by local structural properties of Mn ions, which are distributed between crystallographically inequivalent tetrahedral and octahedral sites in the unit cell. In order to understand and be able to tune properties of these structures, it is necessary to have detailed site-specific structural information on the system. Here we report on the application of diffraction-anomalous fine structure (DAFS) spectroscopy to resolve site-specific Mn local structures in manganese ferrite films. The DAFS measurements were done at undulator beamline 4-ID-D of the Advanced Photon Source at Argonne National Laboratory. The DAFS spectra (Fig. 1) were measured at several Bragg reflections in the vicinity of the Mn absorption K-edge, having probed separately contributions from tetrahedrally and octahedrally coordinated Mn sites. The DAFS data analysis done with an iterative Kramers-Kroenig algorithm made it possible to solve separately the local structure around different inequivalent Mn sites in the unit cell. The reliability of the data treatment was checked carefully, and it was showed that the site-specific structural parameters obtained with DAFS allow us to describe fluorescence EXAFS spectrum measured independently. Fig. 2 shows individual site contributions to the imaginary part of the resonant scattering amplitude obtained from the treatment of the data of Fig. 1. The analysis of the refined site-specific absorption spectra was done using EXAFS methods based on theoretical standards. We provided direct evidence for the tetrahedral Mn-O bond distance being increased relative to the corresponding Fe-O distance in bulk manganese ferrites. The first coordination shell number was found to be reduced significantly for Mn atoms at these sites. This finding is consistent with the well-known tendency of Mn to be tetrahedrally coordinated in these compounds.

Kravtsov, E.; Haskel, D.; Cady, A.; Yang, A.; Vittoria, C.; Zuo, X.; Harris, V. G.; X-Ray Science Division; Inst. of Metal Physics; Northeastern Univ.; Nankai Univ.

2006-01-01T23:59:59.000Z

272

Independent Oversight Review, Los Alamos National Laboratory - January 2012  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos National Laboratory - Los Alamos National Laboratory - January 2012 Independent Oversight Review, Los Alamos National Laboratory - January 2012 January 2012 Review of the Los Alamos National Laboratory Waste Characterization, Reduction, and Repackaging Facility Fire Suppression System The Office of Enforcement and Oversight (Independent Oversight), within the Office of Health, Safety and Security (HSS), conducted an independent review of the Los Alamos National Laboratory Waste Characterization, Reduction, and Repackaging Facility (WCRRF) safety significant fire suppression system (FSS) vital safety system in conjunction with a scheduled Los Alamos Site Office (LASO) assessment. Overall, the LASO assessment was competently performed by knowledgeable LASO personnel using appropriate criteria as defined in LASO Procedure MP

273

Quantum interference in exciton-Mn spin interactions in a CdTe semiconductor quantum dot  

E-Print Network (OSTI)

We show theoretically and experimentally the existence of a new quantum interference(QI) effect between the electron-hole interactions and the scattering by a single Mn impurity. Theoretical model, including electron-valence hole correlations, the short and long range exchange interaction of Mn ion with the heavy hole and with electron and anisotropy of the quantum dot, is compared with photoluminescence spectroscopy of CdTe dots with single magnetic ions. We show how design of the electronic levels of a quantum dot enable the design of an exciton, control of the quantum interference and hence engineering of light-Mn interaction.

Trojnar, A; Kadantsev, E; Hawrylak, P; Goryca, M; Kazimierczuk, T; Kossacki, P; Wojnar, P; Potemski, M

2011-01-01T23:59:59.000Z

274

Quantum interference in exciton-Mn spin interactions in a CdTe semiconductor quantum dot  

E-Print Network (OSTI)

We show theoretically and experimentally the existence of a new quantum interference(QI) effect between the electron-hole interactions and the scattering by a single Mn impurity. Theoretical model, including electron-valence hole correlations, the short and long range exchange interaction of Mn ion with the heavy hole and with electron and anisotropy of the quantum dot, is compared with photoluminescence spectroscopy of CdTe dots with single magnetic ions. We show how design of the electronic levels of a quantum dot enable the design of an exciton, control of the quantum interference and hence engineering of light-Mn interaction.

A. Trojnar; M. Korkusinski; E. Kadantsev; P. Hawrylak; M. Goryca; T. Kazimierczuk; P. Kossacki; P. Wojnar; M. Potemski

2011-05-04T23:59:59.000Z

275

Los Vientos I | Open Energy Information  

Open Energy Info (EERE)

I I Jump to: navigation, search Name Los Vientos I Facility Los Vientos I Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner Duke Energy Developer Duke Enegy Energy Purchaser CPS Energy Location Lyford TX Coordinates 26.326545°, -97.587158° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":26.326545,"lon":-97.587158,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

276

Los Alamos Lab: MPA: Material Matters  

NLE Websites -- All DOE Office Websites (Extended Search)

Matter Matter October 2013 In this issue: Millie Firestone: Merging soft and hard nanomaterials to create energy solutions From Toni's Desk NNSA minority education project brings students to Los Alamos for fuel cell studies Los Alamos fuel cell research lands on ScienceWatch top 10 list Gaining creative control over semiconductor nanowires Strongly enhanced flux pinning in one-step deposition of BaFe2(As0.66P0.33)2 superconductor films with uniformly dispersed BaZrO3 nanoparticles Ultrafast optical spectroscopy sheds light on electronic structure of antiferromagnetic USB2 MPA students gain valuable experience; earn recognition for distinguished performance Heads Up! Service anniversaries LA-UR-13-28281 August 2013 In this issue: Supporting scientific diversity: MPA office administrators describe the juggling act behind the science

277

Los Vientos II | Open Energy Information  

Open Energy Info (EERE)

II II Jump to: navigation, search Name Los Vientos II Facility Los Vientos II Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner Duke Energy Developer Duke Enegy Energy Purchaser Austin Energy Location Lyford TX Coordinates 26.33903762°, -97.66176224° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":26.33903762,"lon":-97.66176224,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

278

Nuclear Forensics at Los Alamos National Laboratory  

SciTech Connect

The overview of this presentation is: (1) Introduction to nonproliferation efforts; (2) Scope of activities at Los Alamos National Laboratory; (3) Facilities for radioanalytical work at LANL; (4) Radiochemical characterization capabilities; and (5) Bulk chemical and materials analysis capabilities. Some conclusions are: (1) Analytical chemistry measurements on plutonium and uranium matrices are critical to numerous defense and non-defense programs including safeguards accountancy verification measurements; (2) Los Alamos National Laboratory operates capable actinide analytical chemistry and material science laboratories suitable for nuclear material forensic characterization; (3) Actinide analytical chemistry uses numerous means to validate and independently verify that measurement data quality objectives are met; and (4) Numerous LANL nuclear facilities support the nuclear material handling, preparation, and analysis capabilities necessary to evaluate samples containing nearly any mass of an actinide (attogram to kilogram levels).

Podlesak, David W [Los Alamos National Laboratory; Steiner, Robert E. [Los Alamos National Laboratory; Burns, Carol J. [Los Alamos National Laboratory; LaMont, Stephen P. [Los Alamos National Laboratory; Tandon, Lav [Los Alamos National Laboratory

2012-08-09T23:59:59.000Z

279

Anomalous Stoichiometry Layered Structure and Magnetic Ordering of the Prussian Blue Analog [NEt4]2MnII3(CN)8  

SciTech Connect

Atypical of Prussian blue structured materials, Mn{sup II} and [NEt{sub 4}]CN react to form [NEt{sub 4}]{sub 2}Mn{sub 3}(CN){sub 8} possessing layers of octahedral [Mn{sup II}(CN){sub 6}]{sup 4-} bonded to two high-spin tetrahedral Mn{sup II} sites.

J Her; P Stephens; C Kareis; J Moore; J Miller

2011-12-31T23:59:59.000Z

280

Los Alamos Team Demonstrates Bottle Scanner Technology  

SciTech Connect

Los Alamos scientists are demonstrating a Nuclear Magnetic Resonance Imaging (NMR) technology that may provide a breakthrough for screening liquids at airport security. By adding low-power X-ray data to the NMR mix, scientists believe they have unlocked a new detection technology. Funded in part by the Department of Homeland Security's Science and Technology Directorate, the new technology is called MagRay.

Espy, Michelle; Schultz, Larry

2014-05-06T23:59:59.000Z

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Los Alamos Team Demonstrates Bottle Scanner Technology  

ScienceCinema (OSTI)

Los Alamos scientists are demonstrating a Nuclear Magnetic Resonance Imaging (NMR) technology that may provide a breakthrough for screening liquids at airport security. By adding low-power X-ray data to the NMR mix, scientists believe they have unlocked a new detection technology. Funded in part by the Department of Homeland Security's Science and Technology Directorate, the new technology is called MagRay.

Espy, Michelle; Schultz, Larry

2014-06-02T23:59:59.000Z

282

Exploration geochemistry: The Los Alamos experience  

SciTech Connect

Los Alamos National Laboratory became actively involved in geochemical exploration in 1975 by conducting a reconnaissance-scale exploration program for uranium as part of the National Uranium Resource Evaluation program. Initially, only uranium and thorium were analyzed. By 1979 Los Alamos was analyzing a multielement suite. The data were presented in histograms and as black and white concentration plots for uranium and thorium only. Data for the remaining elements were presented as hard copy data listings in an appendix to the report. In 1983 Los Alamos began using exploration geochemistry for the purpose of finding economic mineral deposits to help stimulate the economies of underdeveloped countries. Stream-sediment samples were collected on the Caribbean island of St. Lucia and a geochemical atlas of that island was produced. The data were statistically smoothed and presented as computer-generated color plots of each element of the multielement suite. Studies for the US Bureau of Land Management in 1984 consisted of development of techniques for the integration of several large data sets, which could then be used for computer-assisted mineral resource assessments. A supervised classification technique was developed which compares the attributes of grid cells containing mines or mineral occurrences with attributes of unclassified cells not known to contain mines or occurrences. Color maps indicate how closely unclassified cells match in attributes the cells with mines or occurrences. 20 refs., 1 fig., 1 tab.

Maassen, L.W.; Bolivar, S.L.

1989-01-01T23:59:59.000Z

283

Los Alamos National Laboratory Building Cost Index  

SciTech Connect

The Los Alamos National Laboratory Building Cost Index indicates that actual escalation since 1970 is near 10% per year. Therefore, the Laboratory will continue using a 10% per year escalation rate for construction estimates through 1985 and a slightly lower rate of 8% per year from 1986 through 1990. The computerized program compares the different elements involved in the cost of a typical construction project, which for our purposes, is a complex of office buildings and experimental laboratores. The input data used in the program consist primarily of labor costs and material and equipment costs. The labor costs are the contractural rates of the crafts workers in the Los Alamos area. For the analysis, 12 field-labor draft categories are used; each is weighted corresponding to the labor craft distribution associated with the typical construction project. The materials costs are current Los Alamos prices. Additional information sources include material and equipment quotes obtained through conversations with vendors and from trade publications. The material and equipment items separate into 17 categories for the analysis and are weighted corresponding to the material and equipment distribution associated with the typical construction project. The building cost index is compared to other national building cost indexes.

Orr, H.D.; Lemon, G.D.

1983-01-01T23:59:59.000Z

284

Los Alamos National Laboratory building cost index  

SciTech Connect

The Los Alamos National Laboratory Building Cost Index indicates that actual escalation since 1970 is near 10% per year. Therefore, the Laboratory will continue using a 10% per year escalation rate for construction estimates through 1985 and a slightly lower rate of 8% per year from 1986 through 1990. The computerized program compares the different elements involved in the cost of a typical construction project, which for our purposes, is a complex of office buildings and experimental laboratories. The input data used in the program consist primarily of labor costs and material and equipment costs. The labor costs are the contractual rates of the crafts workers in the Los Alamos area. For the analysis, 12 field-labor craft categories are used; each is weighted corresponding to the labor craft distribution associated with the typical construction project. The materials costs are current Los Alamos prices. Additional information sources include material and equipment quotes obtained through conversations with vendors and from trade publications. The material and equipment items separate into 17 categories for the analysis and are weighted corresponding to the material and equipment distribution associated with the typical construction project. The building cost index is compared to other national building cost indexes.

Orr, H.D.; Lemon, G.D.

1982-10-01T23:59:59.000Z

285

Better Buildings Neighborhood Program: Los Angeles County, California  

NLE Websites -- All DOE Office Websites (Extended Search)

Los Angeles Los Angeles County, California to someone by E-mail Share Better Buildings Neighborhood Program: Los Angeles County, California on Facebook Tweet about Better Buildings Neighborhood Program: Los Angeles County, California on Twitter Bookmark Better Buildings Neighborhood Program: Los Angeles County, California on Google Bookmark Better Buildings Neighborhood Program: Los Angeles County, California on Delicious Rank Better Buildings Neighborhood Program: Los Angeles County, California on Digg Find More places to share Better Buildings Neighborhood Program: Los Angeles County, California on AddThis.com... Better Buildings Residential Network Progress Stories Interviews Videos Events Quick Links to Partner Information AL | AZ | CA | CO | CT FL | GA | IL | IN | LA ME | MD | MA | MI | MO

286

Independent Oversight, Los Alamos National Laboratory - January 2007 |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Oversight, Los Alamos National Laboratory - January Oversight, Los Alamos National Laboratory - January 2007 Independent Oversight, Los Alamos National Laboratory - January 2007 January 2007 Independent Oversight Inspection of Emergency Management at the Los Alamos site office and Los Alamos National Laboratory The U.S. Department of Energy (DOE) Offi ce of Independent Oversight inspected the emergency management program at DOE's Los Alamos Site Office (LASO) and Los Alamos National Laboratory (LANL) in October-November 2006. The inspection was performed as a joint effort by Independent Oversight's Offi ce of Safeguards and Security Evaluations (HS-61), Office of Cyber Security (HS-62), and Office of Emergency Management Oversight (HS-63). Independent Oversight, Los Alamos National Laboratory - January 2007

287

About Los Alamos Field Office | National Nuclear Security Administration  

NLE Websites -- All DOE Office Websites (Extended Search)

Los Alamos Field Office | National Nuclear Security Administration Los Alamos Field Office | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog About Los Alamos Field Office Home > Field Offices > Welcome to the Los Alamos Field Office > About Los Alamos Field Office About Los Alamos Field Office Los Alamos Field Office in the '50s About Los Alamos Field Office

288

Los Alamos National Laboratory names Jeffrey Mousseau Associate Director of  

E-Print Network (OSTI)

has been hired as the new associate director for Environmental Programs. Mousseau currently works- 1 - Los Alamos National Laboratory names Jeffrey Mousseau Associate Director of Environmental Programs September 18, 2012 Will Oversee Transuranic Waste Disposal and Environmental Cleanup Projects LOS

289

Unusual light in dark space revealed by Los Alamos, NASA  

NLE Websites -- All DOE Office Websites (Extended Search)

Unusual light in dark space revealed by Los Alamos, NASA Unusual light in dark space revealed by Los Alamos, NASA By looking at the dark spaces between visible galaxies and stars...

290

Nuclear Arms Control R&D Consortium includes Los Alamos  

NLE Websites -- All DOE Office Websites (Extended Search)

Nuclear Arms Control R&D Consortium includes Los Alamos Nuclear Arms Control R&D Consortium includes Los Alamos A consortium led by the University of Michigan that includes LANL as...

291

Los Alamos improves biomass-to-fuel process  

NLE Websites -- All DOE Office Websites (Extended Search)

improves biomass-to-fuel process Los Alamos improves biomass-to-fuel process Los Alamos scientists published an article in the scientific journal Nature Chemistry that could offer...

292

CRAD, Training - Los Alamos National Laboratory TA 55 SST Facility...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Training - Los Alamos National Laboratory TA 55 SST Facility CRAD, Training - Los Alamos National Laboratory TA 55 SST Facility A section of Appendix C to DOE G 226.1-2 "Federal...

293

MagLab - Travel Information to Los Alamos  

NLE Websites -- All DOE Office Websites (Extended Search)

Shipping address: Los Alamos National Laboratory Attn: RECIPIENT NAME NHMFL, MS E536 Bikini Atoll Road, SM-30 TA-35127O1U Los Alamos, NM 87545 For more information please...

294

Independent Oversight Review, Los Alamos Field Office March 2014  

Energy.gov (U.S. Department of Energy (DOE))

Review of the Los Alamos Field Office Processes for Laboratory Oversight of Radiological Controls Activity-Level Implementation.

295

Safety System Oversight Assessment, Los Alamos National Laboratory- May 2011  

Energy.gov (U.S. Department of Energy (DOE))

Safety System Oversight Assessment of the Los Alamos National Laboratory Weapons Engineering Tritium Facility Tritium Gas Handling System

296

CRAD, Management - Los Alamos National Laboratory Waste Characterizati...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

National Laboratory Waste Characterization, Reduction, and Repackaging Facility CRAD, Conduct of Operations - Los Alamos National Laboratory Waste Characterization, Reduction,...

297

CRAD, Conduct of Operations - Los Alamos National Laboratory...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

National Laboratory Waste Characterization, Reduction, and Repackaging Facility CRAD, Conduct of Operations - Los Alamos National Laboratory Waste Characterization, Reduction,...

298

CRAD, Emergency Management - Los Alamos National Laboratory Waste...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Characterization, Reduction, and Repackaging Facility More Documents & Publications CRAD, Conduct of Operations - Los Alamos National Laboratory Waste Characterization, Reduction,...

299

CRAD, Maintenance - Los Alamos National Laboratory Waste Characterizat...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

and Repackaging Facility CRAD, Environmental Protection - Los Alamos National Laboratory Waste Characterization, Reduction, and Repackaging Facility CRAD, Conduct of Operations...

300

Voluntary Protection Program Onsite Review, Los Alamos Operations- November 2011  

Energy.gov (U.S. Department of Energy (DOE))

Evaluation to determine whether Los Alamos Operations is continuing to perform at a level deserving DOE-VPP Star recognition.

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Independent Oversight Assessment, Los Alamos National Laboratory- April 2012  

Energy.gov (U.S. Department of Energy (DOE))

Assessment of Nuclear Safety Culture at the Los Alamos National Laboratory Chemistry and Metallurgy Research Replacement Project

302

Structural, Optical and Magnetic Properties of Mn-doped CdS Diluted Magnetic Semiconductor Nanoparticles  

Science Journals Connector (OSTI)

Diluted magnetic CdS:Mn nanoparticles were synthesized by the aqueous...2+) concentrations (x...=710atom%) at room temperature in nitrogen atmosphere and capped with Thiogelycerol. The X-ray diffraction patter...

S. Salimian; S. Farjami Shayesteh

2012-08-01T23:59:59.000Z

303

MnO2-Based Electrochemical Supercapacitors on Flexible Carbon Substrates  

Science Journals Connector (OSTI)

Manganese dioxide films were grown on large area flexible carbon aerogel substrates. Characterization by x-ray diffraction confirmed ?-MnO2 growth. Three types of films were compared as a function of hexamethylen...

Marko J. Tadjer; Michael A. Mastro; Jos M. Rojo

2014-04-01T23:59:59.000Z

304

Electrode Characteristics of Individual, MnO2 Coated Carbon Nanotubes  

E-Print Network (OSTI)

MnO2 Coated Carbon Nanotubes Brad L. Corso, Israel Perez,single- walled carbon nanotubes. Li ion cyclic voltammetrysingle-walled carbon nanotubes (SWNTs) that are grown in

Collins, Philip G

2011-01-01T23:59:59.000Z

305

Zeolite-encapsulated Mn(II) complexes as catalysts for selective alkene oxidation  

Science Journals Connector (OSTI)

... , Space-filling molecular model (top and side view) (using the program Hyperchem from Autodesk Inc.) of c/s-[Mn(bpy)2]2+-Y (structure derived from ...

Peter-Paul Knops-Gerrits; Dirk De Vos; Frdric Thibault-Starzyk; Pierre A. Jacobs

1994-06-16T23:59:59.000Z

306

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

NLE Websites -- All DOE Office Websites (Extended Search)

of green light emitting diodes. Citation: Zhang J, F Su, W Chen, R Sammynaiken, SL Westcott, DE McCready, G Li, and AG Joly.2005."Synthesis and Luminescence of ZnMgS:Mn2+...

307

LiCoO2-and LiMn2O4-based composite cathode materials  

Science Journals Connector (OSTI)

We have prepared composite cathode materials based on two electrochemically active compounds, LiCoO2 and LiMn2O4..., and investigated their properties. The results indicate that the discharge capacities of all th...

Ya. V. Shatilo; E. V. Makhonina; V. S. Pervov; V. S. Dubasova

2006-07-01T23:59:59.000Z

308

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

E-Print Network (OSTI)

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 ...

Techapiesancharoenkij, Ratchatee, 1979-

2007-01-01T23:59:59.000Z

309

Frequency Response of Acoustic-Assisted NiMnGa Ferromagnetic- Shape-Memory-Alloy Actuator  

E-Print Network (OSTI)

A prototype of NiMnGa 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 ...

Techapiesancharoenkij, Ratchatee

310

Magnetism of NiMn2O4-Fe3O4 spinel interfaces  

E-Print Network (OSTI)

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

Nelson-Cheeseman, B. B.

2007-01-01T23:59:59.000Z

311

CSS and Complete Streets Partnering with Mn/DOT for Complete Streets  

E-Print Network (OSTI)

Examples #12;·! Interrelated conditions in which something exists ·! Tying parts together to work Initiative: Seeks to integrate CSS in Mn/DOT as a business model to improve our processes and to balance

Minnesota, University of

312

Rusting Evolution of MnCuP Weathering Steel Submitted to Simulated Industrial Atmospheric Corrosion  

Science Journals Connector (OSTI)

The rusting evolution of MnCuP weathering steel in a simulated industrial atmosphere as a...?-FeOOH. During the second corrosion stage, a compact and protective inner rust layer forms with a higher relative abund...

Long Hao; Sixun Zhang; Junhua Dong; Wei Ke

2012-05-01T23:59:59.000Z

313

Direct production of light olefins from syngas over potassium modified FeMn catalyst  

Science Journals Connector (OSTI)

A series of potassium promoted FeMn catalysts for light olefin synthesis from CO hydrogenation were prepared by the co-precipitation-calcination-impregnation method. The impact of potassium promoter on the te...

Jiang-Bing Li; Hong-Fang Ma; Hai-Tao Zhang

2014-08-01T23:59:59.000Z

314

Single-molecule magnets assembled from oxime stabilized Mn?III triangles  

E-Print Network (OSTI)

tunneling in the single- molecule magnet Mn-12-acetate.and Brechin, E. K. , A Single-Molecule Magnet with a "Twist"Anisotropy Barrier for a Single- Molecule Magnet, Journal of

Stephenson, Casey Justin

2009-01-01T23:59:59.000Z

315

Modeling and Characterization of the Magnetocaloric Effect in Ni2MnGa Materials  

SciTech Connect

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.

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

316

External Electric Field Catalyzed N2O Decomposition on Mn-Embedded Graphene  

Science Journals Connector (OSTI)

External Electric Field Catalyzed N2O Decomposition on Mn-Embedded Graphene ... Key Laboratory of Automobile Materials, Ministry of Education, and Department of Materials Science and Engineering, Jilin University, Changchun 130022, China ...

E. H. Song; J. M. Yan; J. S. Lian; Q. Jiang

2012-09-05T23:59:59.000Z

317

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

E-Print Network (OSTI)

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

Sparks, Donald L.

318

Structural and Magnetic Properties of Epitaxial MnSi(111) Thin Films.  

E-Print Network (OSTI)

??MnSi(111) films were grown on Si(111) substrates by solid phase epitaxy (SPE) and molecular beam epitaxy (MBE) to determine their magnetic structures. A lattice mismatch (more)

Karhu, Eric

2012-01-01T23:59:59.000Z

319

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

SciTech Connect

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.

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

320

Los estudios clnicos y la medicina complementaria y alternativa  

E-Print Network (OSTI)

Los estudios clínicos y la medicina complementaria y alternativa Introducción Los estudios medicina complementaria y alternativa. Puntos clave Los estudios clínicos son investigaciones que personas de confianza. Acerca de la medicina complementaria y alternativa y el NCCAM La medicina

Baker, Chris I.

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Los Alamos National Laboratory Issue 1 June 2014  

E-Print Network (OSTI)

Berkeley, Pacific Northwest, Savannah River, and Los Alamos national laboratories at the Savannah RiverLos Alamos National Laboratory Issue 1 · June 2014 RESEARCH QUARTERLY Th 90 Ac 89 Pa 91 U 92 Np 93 Institute Los Alamos National Laboratory, an affirmative action/equal opportunity employer, is operated

322

Security, Safety Probes Shut Down Los Alamos National Lab  

Science Journals Connector (OSTI)

...the 10,000-employee, $2.2-billion-a-year...No joke. Los Alamos Director Pete...disrepute to Los Alamos, Nanos said...announcing the suspension of some classified...expanded the suspension to the rest...rules and make employees aware [of...on several Los Alamos scientists, who described...

David Malakoff

2004-07-23T23:59:59.000Z

323

Building of a Novel Mn12 Single Molecule Magnet by Assembly of Anisotropic  

NLE Websites -- All DOE Office Websites (Extended Search)

Building of a Novel Mn12 Single Building of a Novel Mn12 Single Molecule Magnet by Assembly of Anisotropic Triangles Building of a Novel Mn12 Single Molecule Magnet by Assembly of Anisotropic Triangles Print Wednesday, 06 July 2011 12:58 Assembly of triangular {MnIII3(O)(salox)3}+ fragments mediated by azido ligands, results in the dodecanuclear [Mn12O4(salox)12(N3)4(MeOH)4(H2O)2] complex with S = 8 ground state and SMM response. After the discovery of the Single-Molecule-Magnet (SMM) behaviour of [Mn6(O)2(salox)6(R-COO)2] (salox = salicylaldoxime, R = Me, Ph) complexes in 2004,1 the chemistry of this family of [Mn6] clusters has been studied in depth: the systematic change of the carboxylato ligands, the study of substitutedR-saloxH2 related ligands,2 the effect of variation of the oxidation state,3 the response under pressure4 or the one-dimensional assembly of [Mn6] units into chains of clusters5 with Single-Chain-Magnet behaviour in some cases,5c,d turn this system into one of the best known in the SMM field. One of the main goals of this work, developed by Brechin et al. has been to modulate the value of the ground spin level, reaching the maximum possible spin S = 12 by means of the adequate choice of methyl or ethyl substituted salicylaldoximes and the understanding of the structural features that control the coupling inside the triangles. Article Link (PDF)

324

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

SciTech Connect

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.

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

325

DC electrodeposition of MnCo alloys on stainless steels for SOFC interconnect application  

SciTech Connect

High conductivity coatings that resist oxide scale growth and reduce chromium evaporation are needed to make stainless steel interconnect materials viable for long-term stable operation of solid oxide fuel cells (SOFC). Mn1.5Co1.5O4 spinel is one of the most promising coatings for interconnect application because of its high conductivity, good chromium retention capability, as well as good CTE match to ferritic stainless steels. MnCo electrodeposition followed by oxidization is potentially a low cost method for fabrication of (Mn,Co)3O4 spinel coatings. This work looks at the co-deposition of MnCo alloys for this application. As a guide to optimize the deposition process, characterizations of the cathodic reactions and reaction potentials are done using polarization curves. It was found that as cobalt concentration was varied that the alloy composition became richer in cobalt, indicating that the deposition is regular co-deposition process. It was also found that at 0.05M Co concentration in excess gluconate the MnCo alloys composition could be tuned by varying the current density. Coatings with MnCo around 1:1 could be obtained at a current density of 250 mA/cm2. However, the higher potential increased hydrogen production making the films more porous. Oxidation of the alloy coatings showed that much of the porosities could be eliminated during oxidation. It was found in a number of samples that fully dense coatings where obtained. The composition of the oxidized coating was found to become enriched in Mn, possibly due to the Mn fast diffusion from the substrate.

Wu, Junwei; Jiang, Yinglu; Johnson, Christopher; Liu, Xingbo

2008-03-01T23:59:59.000Z

326

Effect of magnetic field and temperature on the ferroelectric loop in MnWO4  

Science Journals Connector (OSTI)

The ferroelectric properties of MnWO4 single crystal have been investigated. Despite a relatively low remanent polarization, we show that the sample is ferroelectric. The shape of the ferroelectric loop of MnWO4 strongly depends on magnetic field and temperature. While its dependence does not directly correlate with the magnetocapacitance effect before the paraelectric transition, the effect of magnetic field on the ferroelectric polarization loop supports magnetoelectric coupling.

Bohdan Kundys; Charles Simon; Christine Martin

2008-05-12T23:59:59.000Z

327

Mn, Fe, Zn and As speciation in a fast-growing ferromanganese marine nodule  

SciTech Connect

The speciation of Mn, Fe, As and Zn in a fast-growing (0.02mm/yr), shallow-marine ferromanganese nodule has been examined by micro X-ray fluorescence, micro X-ray diffraction, and micro X-ray absorption spectroscopy. This nodule exhibits alternating Fe-rich and Mn-rich layers reflecting redox variations in water chemistry. Fe occurs as two-line ferrihydrite. The As is strictly associated with Fe and is mostly pentavalent, with an environment similar to that of As sorbed on or coprecipitated with synthetic ferrihydrite. The Mn is in the form of turbostratic birnessite with {approx} 10 percent trivalent manganese in the layers and probably {approx} 8 percent corner-sharing metal octahedra in the interlayers. The Zn is enriched on the rim of the nodule, associated with Mn. The Zn is completely (>90 percent) tetrahedrally coordinated and sorbed in the interlayers of birnessite on vacant layer Mn sites. The Zn and Mn species are similar to ones found in soils, suggesting common structural principles, despite the differing formation conditions in these systems.

Marcus, Matthew A.; Manceau, Alain; Kersten, Michael

2004-04-01T23:59:59.000Z

328

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

SciTech Connect

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.

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

329

Electronic structure and ferromagnetism of Mn-doped group-IV semiconductors  

Science Journals Connector (OSTI)

Accurate ab initio full-potential augmented plane wave (FLAPW) electronic calculations within density functional theory in both local density and generalized gradient approximations have been performed for MnxGe1-x and MnxSi1-x ordered alloys, focusing on their electronic and magnetic properties as a function of the host semiconducting matrix (i.e., Si vs Ge), the Mn concentration, and the spin magnetic alignment (i.e., ferromagnetic vs antiferromagnetic). As expected, Mn is found to be a source of holes and localized magnetic moments of about 3?B/Mn. The results show that irrespective of the Mn content, the Ge-based systems are very close to half-metallicity, whereas the Si-based structures just miss the half-metallic behavior due to the crossing of the Fermi level by the lowest conduction bands. Moreover, the ferromagnetic alignment is favored compared to the antiferromagnetic one, with its stabilization generally increasing with Mn content; this is in agreement with recent experimental findings for MnGe systems and supports the view that this class of ferromagnetic semiconductors constitute basic spintronic materials.

A. Stroppa; S. Picozzi; A. Continenza; A. J. Freeman

2003-10-08T23:59:59.000Z

330

LOS ALAMOS, New Mexico, June 4, 2013-Los Alamos National Laboratory scientists  

NLE Websites -- All DOE Office Websites (Extended Search)

catalyst could jumpstart e- catalyst could jumpstart e- cars, green energy June 4, 2013 Economical non-precious-metal catalyst capitalizes on carbon nanotubes LOS ALAMOS, New Mexico, June 4, 2013-Los Alamos National Laboratory scientists have designed a new type of nanostructured-carbon-based catalyst that could pave the way for reliable, economical next-generation batteries and alkaline fuel cells, providing for practical use of wind- and solar-powered electricity, as well as enhanced hybrid electric vehicles. In a paper appearing recently in Nature Communications, Los Alamos researchers Hoon T. Chung, Piotr Zelenay and Jong H. Won, the latter now at the Korea Basic Science Institute, describe a new type of nitrogen-doped carbon-nanotube catalyst. The - 2 - new material has the highest oxygen reduction reaction (ORR) activity in alkaline media

331

Los Alamos, New Mexico, September 2, 2009-An award-winning Los Alamos National  

NLE Websites -- All DOE Office Websites (Extended Search)

technology strikes a chord technology strikes a chord with algal biofuels September 2, 2009 Award-winning acoustic focusing technology will help create 'green gold' Los Alamos, New Mexico, September 2, 2009-An award-winning Los Alamos National Laboratory sound-wave technology is helping Solix Biofuels, Inc. optimize production of algae-based fuel in a cost-effective, scalable, and environmentally benign fashion -paving the way to lowering the carbon footprint of biofuel production.Algae innards contain a high concentration of lipids, or oils. These lipids can be extracted by a relatively simple chemical process and concentrated into "biocrude"-or "green gold"- an alternative to crude oil that can be refined into biodiesel, gasoline, or even jet fuel.Acoustic-focusing-the novel use of sound waves at the heart of the Los Alamos

332

LOS ALAMOS, N.M., Oct. 31, 2013-Los Alamos National Laboratory scientist  

NLE Websites -- All DOE Office Websites (Extended Search)

Matter, antimatter and surviving the big Matter, antimatter and surviving the big bang is topic of Lab's next Frontiers in Science lecture October 31, 2013 Talk begins at 7 p.m. and open to public LOS ALAMOS, N.M., Oct. 31, 2013-Los Alamos National Laboratory scientist Vincenzo Cirigliano asks the question, How did we survive the big bang? in a series of Frontiers in Science lectures beginning Monday, Nov. 4, in the Duane Smith Auditorium at Los Alamos High School. "Particles and antiparticles were produced in equal numbers in the aftermath of the big bang," according to Cirigliano. "As the primordial soup cooled, they should have completely destroyed each other, leaving behind a universe with no matter. Instead, an - 2 - imbalance of matter over antimatter developed, eventually leading to galaxies and stars

333

LOS ALAMOS, New Mexico, November 1, 2012-Los Alamos National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

to demolish excavation to demolish excavation enclosures at Material Disposal Area B near DP Road November 1, 2012 Work is beginning this week LOS ALAMOS, New Mexico, November 1, 2012-Los Alamos National Laboratory is about to begin demolishing the metal enclosures used to cover the excavation and cleanup of a decades-old waste disposal site at the historic Technical Area 21. Pre-demolition activities are beginning this week and the work should be completed by the end of March 2013. The project brings the Laboratory closer to transferring the six- acre tract of land to Los Alamos County. The metal structures, which resemble airplane hangars, were installed in 2010 to protect workers and the public from exposure to hazardous and radiological - 2 - contamination while excavating and packaging contaminated debris and soil from

334

Los Alamos Lab: MPA: Focus on Facilities  

NLE Websites -- All DOE Office Websites (Extended Search)

Focus on Facilities Focus on Facilities Mechanical testing and modeling in MST The mission of the Materials Science and Technology Division includes the development of constitutive deformation and failure models for the metals, polymers, ceramics, and composites of interest to Department of Energy, Department of Defense, and industrially-sponsored programs. More about mechanical testing and modeling in MST (pdf). Sensors and Electrochemical Devices Group The Sensors and Electrochemical Devices Group (MPA-11), within the Materials Physics and Applications Division at Los Alamos National Laboratory, conducts basic and applied research on electronic and ionic conducting materials, including the development of novel materials characterization approaches. More about the Sensors and Electrochemical Devices Group (pdf).

335

Los Alamos Lab: MST: Focus on Facilities  

NLE Websites -- All DOE Office Websites (Extended Search)

Focus on Facilities Focus on Facilities Mechanical testing and modeling in MST The mission of the Materials Science and Technology Division includes the development of constitutive deformation and failure models for the metals, polymers, ceramics, and composites of interest to Department of Energy, Department of Defense, and industrially-sponsored programs. More about mechanical testing and modeling in MST (pdf). Sensors and Electrochemical Devices Group The Sensors and Electrochemical Devices Group (MPA-11), within the Materials Physics and Applications Division at Los Alamos National Laboratory, conducts basic and applied research on electronic and ionic conducting materials, including the development of novel materials characterization approaches. More about the Sensors and Electrochemical Devices Group (pdf).

336

Los Alamos National Laboratory passive solar program  

SciTech Connect

Progress in passive solar tasks performed at the Los Alamos National Laboratory for FY-81 is documented. A third volume of the Passive Solar Design Handbook is nearly complete. Twenty-eight configurations of sunspaces were studied using the solar load ratio method of predicting performance; the configuration showing best performance is discussed. The minimum level of insolation needed to generate convective flow in the thermosiphon test rig is noted and measured. Information is also included on test room performance, off-peak auxiliary electric heating for a passive home, free convection experiment, monitored buildings, and technical support to the US Department of Energy.

Neeper, D.A.

1981-01-01T23:59:59.000Z

337

Environmental Programs at Los Alamos National Laboratory  

SciTech Connect

Summary of this project is: (1) Teamwork, partnering to meet goals - (a) Building on cleanup successes, (b) Solving legacy waste problems, (c) Protecting the area's environment; (2) Strong performance over the past three years - (a) Credibility from four successful Recovery Act Projects, (b) Met all Consent Order milestones, (c) Successful ramp-up of TRU program; (3) Partnership between the National Nuclear Security Administration's Los Alamos Site Office, DOE Carlsbad Field Office, New Mexico Environment Department, and contractor staff enables unprecedented cleanup progress; (4) Continued focus on protecting water resources; and (5) All consent order commitments delivered on time or ahead of schedule.

Jones, Patricia [Los Alamos National Laboratory

2012-07-11T23:59:59.000Z

338

Electric power applications development at Los Alamos  

SciTech Connect

This presentation gives an overview of the Los Alamos National Lab`s collaboration with private industry and universities in developing High-Temperature Superconductor (HTS) Devices. Highlighted is the lab`s general approach and technical progress towards: design and fabrication of HTS current leads; high gradient magnetic separation for treatment of drinking and waste water; development of coils based on superconductor tape windings; testing of a HTS fault current limiter; testing of a variable resistor and switch; and development of a 100 MVA generator. Listed for each of these projects are commercial and university research/development partners, the proposed projects for FY 1995, key personnel, and the fiscal 1994 budgets.

Daugherty, M. [Los Alamos National Lab., NM (United States)

1994-07-29T23:59:59.000Z

339

Los Angeles County - LEED for County Buildings | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Angeles County - LEED for County Buildings Los Angeles County - LEED for County Buildings Los Angeles County - LEED for County Buildings < Back Eligibility Local Government Savings Category Heating & Cooling Home Weatherization Construction Commercial Weatherization Commercial Heating & Cooling Design & Remodeling Bioenergy Solar Lighting Windows, Doors, & Skylights Alternative Fuel Vehicles Hydrogen & Fuel Cells Heating Buying & Making Electricity Water Heating Wind Program Info State California Program Type Energy Standards for Public Buildings Provider Los Angeles County In January 2007, the Los Angeles County Board of Supervisors adopted rules to require that all new county buildings greater than 10,000 square feet be LEED Silver certified. All buildings authorized and fully funded on or

340

CRAD, Engineering - Los Alamos National Laboratory Waste Characterization,  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Engineering - Los Alamos National Laboratory Waste Engineering - Los Alamos National Laboratory Waste Characterization, Reduction, and Repackaging Facility CRAD, Engineering - Los Alamos National Laboratory Waste Characterization, Reduction, and Repackaging Facility A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) used for an assessment of the Engineering Program portion of an Operational Readiness Review at the Los Alamos National Laboratory Waste Characterization, Reduction, and Repackaging Facility. CRADs provide a recommended approach and the types of information to gather to assess elements of a DOE contractor's programs. CRAD, Engineering - Los Alamos National Laboratory Waste Characterization,

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Municipal Consortium LED Street Lighting Workshop: April 1920, Los Angeles, CA  

Energy.gov (U.S. Department of Energy (DOE))

Workshop Location: The Sheraton Los Angeles Downtown Hotel, 711 Hope Street, Los Angeles, CA 90017City Partner: City of Los Angeles Bureau of Street LightingCost: $175

342

No increase in background, manmade radioactivity for Los Alamos area  

NLE Websites -- All DOE Office Websites (Extended Search)

March » March » Man-Made Radioactivity For Los Alamos area No increase in background, manmade radioactivity for Los Alamos area Two aerial flyovers found that radioisotopes and their associated exposure rates are consistent with those expected from normal background radiation. March 19, 2013 High southwest aerial view of Los Alamos National Laboratory (left) and Los Alamos townsite (middle and right). High southwest aerial view of Los Alamos National Laboratory (left) and Los Alamos townsite (middle and right). The results are good news and the information will benefit the Lab and the community for years to come as we work toward cleanup and sustainability. Two aerial flyovers of the Los Alamos area to determine the presence of background and manmade radioactivity found that radioisotopes and their

343

DOE - Office of Legacy Management -- Los Alamos Underground Med Pipelines -  

NLE Websites -- All DOE Office Websites (Extended Search)

Los Alamos Underground Med Los Alamos Underground Med Pipelines - NM 02 FUSRAP Considered Sites Site: Los Alamos Underground Med Pipelines ( NM.02 ) Eliminated - Remedial action being performed by the Los Alamos Area Office of the DOE Albuquerque Operations Office Designated Name: Not Designated Alternate Name: Los Alamos County Industrial Waste Lines NM.02-1 Location: Los Alamos , New Mexico NM.02-1 Evaluation Year: 1986 NM.02-1 Site Operations: From 1952 to 1965, underground pipelines or industrial waste lines were used at Los Alamos Scientific Laboratory to transport liquid wastes from Technical Areas 1, 3, 48, and 43 to a chemical waste treatment plant (Technical Area 45). NM.02-1 Site Disposition: Eliminated - Remedial action being performed by another DOE office NM.02-1

344

EM's Los Alamos TRU Waste Campaign Heads Toward Completion | Department  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

EM's Los Alamos TRU Waste Campaign Heads Toward Completion EM's Los Alamos TRU Waste Campaign Heads Toward Completion EM's Los Alamos TRU Waste Campaign Heads Toward Completion November 20, 2013 - 12:00pm Addthis Advanced techniques allowed crews at Los Alamos National Laboratory to decontaminate large boxes of waste so it could be shipped as mixed low-level rather than transuranic waste. Advanced techniques allowed crews at Los Alamos National Laboratory to decontaminate large boxes of waste so it could be shipped as mixed low-level rather than transuranic waste. The EM program at Los Alamos National Laboratory exceeded its shipping goals in fiscal year 2013, shipping twice as much waste as it did in fiscal year 2012. The EM program at Los Alamos National Laboratory exceeded its shipping goals in fiscal year 2013, shipping twice as much waste as it did in fiscal

345

Independent Oversight Activity Report, Los Alamos National Laboratory -  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos National Los Alamos National Laboratory - November 2013 Independent Oversight Activity Report, Los Alamos National Laboratory - November 2013 November 2013 Follow-up on the Progress and Issues in the Implementation of the Los Alamos National Laboratory Worker Exposure Assessment Process [HIAR-LANL-2013-11-26] This Independent Activity Report documents an oversight activity conducted by the Office of Health, Safety and Security's (HSS) Office of Safety and Emergency Management Evaluations on November 26, 2013, at the Los Alamos National Laboratory. The activity consisted of HSS staff reviewing progress and issues in the development and implementation of the Los Alamos National Laboratory industrial hygiene worker exposure assessment program. Independent Oversight Activity Report, Los Alamos National Laboratory -

346

Independent Oversight Inspection, Los Alamos National Laboratory - February  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos National Laboratory - Los Alamos National Laboratory - February 2007 Independent Oversight Inspection, Los Alamos National Laboratory - February 2007 February 2007 Inspection of Emergency Management at the Los Alamos Site Office and Los Alamos National Laboratory The U.S. Department of Energy (DOE) Office of Independent Oversight inspected the emergency management program at DOE's Los Alamos Site Office (LASO) and Los Alamos National Laboratory (LANL) in October-November 2006. The inspection was performed as a joint effort by Independent Oversight's Office of Safeguards and Security Evaluations (HS-61), Office of Cyber Security (HS-62), and Office of Emergency Management Oversight (HS-63). This volume discusses the results of the review of the LASO and LANL emergency management programs.

347

Preliminary Notice of Violation, Los Alamos National Security, LLC -  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos National Security, LLC Los Alamos National Security, LLC - WEA-2010-04 Preliminary Notice of Violation, Los Alamos National Security, LLC - WEA-2010-04 October 18, 2010 Preliminary Notice of Violation issued to Los Alamos National Security, LLC related to the Electrical Shock that occurred at Technical Area 16 at the Los Alamos National Laboratory This letter refers to a U.S. Department of Energy (DOE) investigation into the facts and circumstances surrounding the electrical shock event that occurred in building 300 at Technical Area 16 (TA-16) at the Los Alamos National Laboratory (LANL) on March 20, 2009. The results of the investigation were provided to Los Alamos National Security, LLC (LANS) in an Investigation Report dated March 2, 2010. An enforcement conference was held on March 23, 2010, with you and members of your staff to discuss the

348

Los Angeles County Metropolitan Transportation Authority Metro | Open  

Open Energy Info (EERE)

County Metropolitan Transportation Authority Metro County Metropolitan Transportation Authority Metro Jump to: navigation, search Name Los Angeles County Metropolitan Transportation Authority (Metro) Place Los Angeles, California Zip 90012-2952 Sector Renewable Energy Product Metro is the regional transportation planner for all of Los Angeles County. It is a developer of renewable energy projects. References Los Angeles County Metropolitan Transportation Authority (Metro)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Los Angeles County Metropolitan Transportation Authority (Metro) is a company located in Los Angeles, California . References ↑ "Los Angeles County Metropolitan Transportation Authority

349

CRAD, Maintenance - Los Alamos National Laboratory TA 55 SST Facility |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos National Laboratory TA 55 SST Los Alamos National Laboratory TA 55 SST Facility CRAD, Maintenance - Los Alamos National Laboratory TA 55 SST Facility A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) used for an assessment of the Maintenance program at the Los Alamos National Laboratory TA 55 SST Facility. CRADs provide a recommended approach and the types of information to gather to assess elements of a DOE contractor's programs. CRAD, Maintenance - Los Alamos National Laboratory TA 55 SST Facility More Documents & Publications CRAD, Maintenance - Los Alamos National Laboratory Waste Characterization, Reduction, and Repackaging Facility CRAD, Configuration Management - Los Alamos National Laboratory TA 55 SST

350

Calcium EXAFS establishes the Mn-Ca cluster in the oxygen-evolving complex of Photosystem II  

SciTech Connect

The proximity of Ca to the Mn cluster of the photosynthetic water-oxidation complex is demonstrated by X-ray absorption spectroscopy. We have collected EXAFS data at the Ca K-edge using active PS II membrane samples that contain approximately 2 Ca per 4 Mn. These samples are much less perturbed than previously investigated Sr-substituted samples, which were prepared subsequent to Ca depletion. The new Ca EXAFS clearly shows backscattering from Mn at 3.4 angstroms, a distance that agrees with that surmised from previously recorded Mn EXAFS. This result is also consistent with earlier related experiments at the Sr K-edge, using samples that contained functional Sr, that show Mn is {approx}; 3.5 angstroms distant from Sr. The totality of the evidence clearly advances the notion that the catalytic center of oxygen evolution is a Mn-Ca heteronuclear cluster.

Cinco, Roehl M.; McFarlane Holman, Karen L.; Robblee, John H.; Yano, Junko; Pizarro, Shelly A.; Bellacchio, Emanuele; Sauer, Kenneth; Yachandra, Vittal K.

2002-08-02T23:59:59.000Z

351

Mixed-Phase Oxide Catalyst Based on Mn-Mullite (Sm, Gd)Mn2O5 for NO Oxidation in Diesel Exhaust  

Science Journals Connector (OSTI)

...step of the reaction cycle, O 2 gas molecules decompose...available for the next cycle of NO conversion...ramp-up and ramp-down cycles. Four key factors contribute...performs in simulated diesel exhaust, we added MnCe-7...R. J. Farrauto, Fundamentals of Industrial Catalytic...

Weichao Wang; Geoffrey McCool; Neeti Kapur; Guang Yuan; Bin Shan; Matt Nguyen; Uschi M. Graham; Burtron H. Davis; Gary Jacobs; Kyeongjae Cho; Xianghong (Kelly) Hao

2012-08-17T23:59:59.000Z

352

¿Cómo funcionan los Híbridos?  

NLE Websites -- All DOE Office Websites (Extended Search)

¿Cómo funcionan los Híbridos? ¿Cómo funcionan los Híbridos? Diagrama de los componentes de un híbrido completo, incluyen (1) un motor de combustión interna (2) un motor eléctrico, (3) un generador, (4) una aparato de cambio de motor, and (5) una batería de gran capacidad. en inglés Flash Animation: ¿Cómo funcionan los Híbridos? (Requiere versión Flash 6.0 o superior) HTML Version: ¿Cómo funcionan los Híbridos? Los vehículos Híbridos-eléctricos (VHEs) combinan las ventajas de los motores de gasolina con los motores eléctricos y se pueden configurar para diferentes objetivos, como mejorar el ahorro de combustible, aumentar su fuerza, o proveer fuerza adicional para el uso del sistema eléctrico o los componentes electrónicos. Algunas de las tecnologías avanzadas que usan los híbridos típicamente

353

Los vehículos de combustible flexibles  

NLE Websites -- All DOE Office Websites (Extended Search)

Los vehículos de combustible flexibles Los vehículos de combustible flexibles Camiones de Combustible flexible Los vehículos de combustible flexibles (FFVs) son diseñados para funcionar con gasolina o una mezcla de etanol de hasta el 85 % (E85). Excepto por unas cuantas modificaciones del motor y del sistema de combustible, son idénticos a los modelos que funcionan solo con gasolina. Los VCFs no experimentan pérdida alguna en su desempeño al operar con E85. Sin embargo, como el etanol contiene menos energía por volumen que la gasolina, los VCFs obtienen entre un 25%-30% menos millas por galón cuando usan E85. 1 Los VCFs han sido producidos desde los 80s y docenas de modelos siguen disponibles. Sin embargo como los VCFs lucen igual que los modelos de gasolina, podría usted estar manejando uno sin saberlo.

354

Peculiarly strong room-temperature ferromagnetism from low Mn-doping in ZnO grown by molecular beam epitaxy  

SciTech Connect

Strong room-temperature ferromagnetism is demonstrated in single crystalline Mn-doped ZnO thin films grown by molecular beam epitaxy. Very low Mn doping concentration is investigated, and the measured magnetic moment is much larger than what is expected for an isolated ion based on Hund's rules. The ferromagnetic behavior evolves with Mn concentration. Both magnetic anisotropy and anomalous Hall effect confirm the intrinsic nature of ferromagnetism. While the Mn dopant plays a crucial role, another entity in the system is needed to explain the observed large magnetic moments.

Zuo Zheng; Morshed, Muhammad; Liu Jianlin [Quantum Structures Laboratory, Department of Electrical Engineering, University of California at Riverside, Riverside, California 92521 (United States); Beyermann, W. P. [Department of Physics and Astronomy, University of California at Riverside, Riverside, California 92521 (United States); Zheng Jianguo [Laboratory for Electron and X-ray Instrumentation, California Institute for Telecommunications and Information Technology, University of California Irvine, Irvine, California 92697 (United States); Xin Yan [NHMFL, Florida State University, 1800 E. Paul Dirac Dr., Tallahassee, FL 32310-3706 (United States)

2013-03-15T23:59:59.000Z

355

The geochemical evolution of the Sonju Lake intrusion: assimilation and fractional crystallization in a layered mafic intrusion near Finland, Mn.  

E-Print Network (OSTI)

??The Sonju Lake Intrusion, located within the Beaver Bay Complex near Finland, MN, is the most completely differentiated intrusion related to the Midcontinent Rift System (more)

Dayton, Ryan N.

2011-01-01T23:59:59.000Z

356

Effect of K and Ca on catalytic activity of Mn-CeO x /Ti-PILC  

Science Journals Connector (OSTI)

Mn-CeO x /Ti-pillared clay (PILC) is an attractive catalyst for selective catalytic... x at low temperature because of its low cost. The poison...

Boxiong Shen; Lidan Deng; Jianhong Chen

2013-08-01T23:59:59.000Z

357

Environmental surveillance at Los Alamos during 1987  

SciTech Connect

This report describes the environmental surveillance program conducted by Los Alamos National Laboratory during 1987. Routine monitoring for radiation and radioactive or chemical materials is conducted on the Laboratory site as well as in the surrounding region. Monitoring results are used to determine compliance with appropriate standards and to permit early identification of potentially undesirable trends. Results and interpretation of data for 1987 cover: external penetrating radiation; quantities of airborne emissions and liquid effluents; concentrations of chemicals and radionuclides in ambient air, surface and ground waters, municipal water supply, soils and sediments, and foodstuffs; and environmental compliance. Comparisons with appropriate standards, regulations, and background levels provide the basis for concluding that environmental effects from Laboratory operations are insignificant and do not pose a threat to the public, Laboratory employees, or the environment. 113 refs., 33 figs., 120 tabs.

Not Available

1988-05-01T23:59:59.000Z

358

Los Alamos test-room results  

SciTech Connect

Fourteen Los Alamos test rooms have been operated for several years; this paper covers operation during the winters of 1980-81 and 1981-82. Extensive data have been taken and computer analyzed to determine performance parameters such as efficiency, solar savings fraction, and comfort index. The rooms are directly comparable because each has the same net coefficient and solar collection area and thus the same load collector ratio. Configurations include direct gain, unvented Trombe walls, water walls, phase change walls, and two sunspace geometries. Strategies for reducing heat loss include selective surfaces, two brands of superglazing windows, a heat pipe system, and convection-suppression baffles. Significant differences in both backup heat and comfort are observed among the various rooms. The results are useful, not only for direct room-to-room comparisons, but also to provide data for validation of computer simulation programs.

McFarland, R.D.; Balcomb, J.D.

1982-01-01T23:59:59.000Z

359

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

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-JahnTeller 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 kagom fashion. Enhanced ferromagnetic ordering attributed to doping non-JahnTeller Mn{sup 4+}.

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

360

Magnetoresistance in Mn ion-implanted GaAs:Zn nanowires  

SciTech Connect

We have investigated the magnetoresistance (MR) in a series of Zn doped (p-type) GaAs nanowires implanted with different Mn concentrations. The nanowires with the lowest Mn concentration (?0.0001%) exhibit a low resistance of a few k? at 300?K and a 4% positive MR at 1.6?K, which can be well described by invoking a spin-split subband model. In contrast, nanowires with the highest Mn concentration (4%) display a large resistance of several M? at 300?K and a large negative MR of 85% at 1.6?K. The large negative MR is interpreted in terms of spin-dependent hopping in a complex magnetic nanowire landscape of magnetic polarons, separated by intermediate regions of Mn impurity spins. Sweeping the magnetic field back and forth for the 4% sample reveals a hysteresis that indicates the presence of a weak ferromagnetic phase. We propose co-doping with Zn to be a promising way to reach the goal of realizing ferromagnetic Ga{sub 1?x}Mn{sub x}As nanowires for future nanospintronics.

Paschoal, W.; Kumar, Sandeep; Jain, V.; Pettersson, H., E-mail: hakan.pettersson@hh.se [Solid State Physics/The Nanometer Structure Consortium, Lund University, Box 118, SE-221 00 Lund (Sweden); Department of Mathematics, Physics and Electrical Engineering, Halmstad University, Box 823, SE-301 18, Halmstad (Sweden); Jacobsson, D.; Samuelson, L. [Solid State Physics/The Nanometer Structure Consortium, Lund University, Box 118, SE-221 00 Lund (Sweden); Johannes, A.; Ronning, C. [Institute for Solid State Physics, Friedrich-Schiller-University Jena, Max-Wien-Platz 1, D-07743 Jena (Germany); Canali, C. M.; Pertsova, A. [Department of Physics and Electrical Engineering, Linneaus University, SE-39233 Kalmar (Sweden); Dick, K. A. [Solid State Physics/The Nanometer Structure Consortium, Lund University, Box 118, SE-221 00 Lund (Sweden); Center for Analysis and Synthesis, Lund University, Box 124, S-221 00 Lund (Sweden)

2014-04-14T23:59:59.000Z

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

High-Resolution Structure of the Photosynthetic Mn4Ca Catalyst from X-ray Spectroscopy  

SciTech Connect

The application of high-resolution X-ray spectroscopy methods to study the photosynthetic water oxidizing complex, which contains a unique hetero-nuclear catalytic Mn4Ca cluster, are described. Issues of X-ray damage especially at the metal sites in the Mn4Ca cluster are discussed. The structure of the Mn4Ca catalyst at high-resolution which has so far eluded attempts of determination by X-ray diffraction, EXAFS and other spectroscopic techniques has been addressed using polarized EXAFS techniques applied to oriented PS II membrane preparations and PS II single crystals. A review of how the resolution of traditional EXAFS techniques can be improved, using methods such as range-extended EXAFS is presented, and the changes that occur in the structure of the cluster as it advances through the catalytic cycle are described. X-ray absorption and emission techniques (XANES and K? emission) have been used earlier to determine the oxidation states of the Mn4Ca cluster, and in this report we review the use of X-ray resonant Raman spectroscopy to understand the electronic structure of the Mn4Ca cluster as it cycles through the intermediate S-states.

Yachandra, Vittal; Yano, Junko; Kern, Jan; Pushkar, Yulia; Sauer, Kenneth; Glatzel, Pieter; Bergmann, Uwe; Messinger, Johannes; Zouni, Athina; Yachandra, Vittal K.

2007-08-01T23:59:59.000Z

362

Oxidation State Changes of the Mn(4)Ca Cluster in Photosystem II  

SciTech Connect

A detailed electronic structure of the Mn{sub 4}Ca cluster is required before two key questions for understanding the mechanism of photosynthetic water oxidation can be addressed. They are whether all four oxidizing equivalents necessary to oxidize water to O{sub 2} accumulate on the four Mn ions of the oxygen-evolving complex, or do some ligand-centered oxidations take place before the formation and release of O{sub 2} during the S{sub 3} {yields} [S{sub 4}] {yields} S{sub 0} transition, and what are the oxidation state assignments for the Mn during S-state advancement. X-ray absorption and emission spectroscopy of Mn, including the newly introduced resonant inelastic X-ray scattering spectroscopy have been used to address these questions. The present state of understanding of the electronic structure and oxidation state changes of the Mn{sub 4}Ca cluster in all the S-states, particularly in the S{sub 2} to S{sub 3} transition, derived from these techniques is described in this review.

Yano, J.; Yachandra, V.K.

2009-06-04T23:59:59.000Z

363

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

SciTech Connect

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.

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

2013-01-01T23:59:59.000Z

364

Independent Oversight Assessment, Los Alamos National Laboratory - August  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Assessment, Los Alamos National Laboratory - Assessment, Los Alamos National Laboratory - August 2011 Independent Oversight Assessment, Los Alamos National Laboratory - August 2011 August 2011 Facility Centered Assessment of the Los Alamos National Laboratory Science and Technology Operations - Facility Operations Director Managed Facilities This independent review report documents the results of the Office of Health, Safety and Security (HSS) review of the Facility Centered Assessment (FCA) of the Los Alamos National Laboratory (LANL) facilities managed by the Science and Technology Operations (STO) Facility Operations Director (FOD). The independent review of the STO FCA, conducted February 24 through April 1, 2011, was sponsored by the U.S. Department of Energy (DOE) Los Alamos Site Office (LASO) and LANL.

365

CRAD, Configuration Management - Los Alamos National Laboratory TA 55 SST  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Configuration Management - Los Alamos National Laboratory TA Configuration Management - Los Alamos National Laboratory TA 55 SST Facility CRAD, Configuration Management - Los Alamos National Laboratory TA 55 SST Facility June 2005 A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) used for an assessment of the Configuration Management program at the Los Alamos National Laboratory, TA 55 SST Facility. CRADs provide a recommended approach and the types of information to gather to assess elements of a DOE contractor's programs. CRAD, Configuration Management - Los Alamos National Laboratory TA 55 SST Facility More Documents & Publications CRAD, Emergency Management - Los Alamos National Laboratory TA 55 SST

366

CRAD, Emergency Management - Los Alamos National Laboratory TA 55 SST  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Emergency Management - Los Alamos National Laboratory TA 55 Emergency Management - Los Alamos National Laboratory TA 55 SST Facility CRAD, Emergency Management - Los Alamos National Laboratory TA 55 SST Facility June 2005 A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) used for an assessment of the Emergency Management program at the Los Alamos National Laboratory TA 55 SST Facility. CRADs provide a recommended approach and the types of information to gather to assess elements of a DOE contractor's programs. CRAD, Emergency Management - Los Alamos National Laboratory TA 55 SST Facility More Documents & Publications CRAD, Conduct of Operations - Los Alamos National Laboratory TA 55 SST

367

Categorical Exclusion Determinations: Los Alamos Site Office | Department  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos Site Office Los Alamos Site Office Categorical Exclusion Determinations: Los Alamos Site Office Categorical Exclusion Determinations issued by Los Alamos Site Office. DOCUMENTS AVAILABLE FOR DOWNLOAD July 16, 2013 Anthracite/Total Orange/Black Transfer of Contact-Handled Transuranic Waste to Idaho National Laboratory for Processing and Shipment to Waste Isolation Pilot Plant CX(s) Applied: B1.30 Date: 07/16/2013 Location(s): New Mexico Offices(s): Los Alamos Site Office November 30, 2012 CX-009798: Categorical Exclusion Determination Foreign Location Source Recovery - Fiscal Year 2013 CX(s) Applied: B2.6 Date: 11/30/2012 Location(s): New Mexico Offices(s): Los Alamos Site Office November 30, 2012 CX-009524: Categorical Exclusion Determination Foreign Location Source Recovery - Fiscal Year 2013

368

Independent Oversight Review, Los Alamos National Laboratory - April 2012 |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos National Laboratory - Los Alamos National Laboratory - April 2012 Independent Oversight Review, Los Alamos National Laboratory - April 2012 April 2012 Review of the Emergency Response Organization at the Los Alamos National Laboratory The Office of Enforcement and Oversight (Independent Oversight) within the Office of Health, Safety and Security (HSS), conducted an independent review of the Los Alamos National Laboratory (LANL) emergency response organization (ERO) program. The purpose of the review was to evaluate the processes for establishing and maintaining an ERO that has overall responsibility for initial and ongoing emergency response and mitigation. The review scope was coordinated with the Los Alamos Site Office (LASO), and was conducted February 7-9, 2012. LANL has established an ERO, as defined in LANL planning and preparedness

369

CRAD, Configuration Management - Los Alamos National Laboratory Weapons  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Configuration Management - Los Alamos National Laboratory Configuration Management - Los Alamos National Laboratory Weapons Facility CRAD, Configuration Management - Los Alamos National Laboratory Weapons Facility April 2004 A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) used for an assessment of the Configuration Management program at the Los Alamos National Laboratory, Weapons Facility. CRADs provide a recommended approach and the types of information to gather to assess elements of a DOE contractor's programs. CRAD, Configuration Management - Los Alamos National Laboratory Weapons Facility More Documents & Publications CRAD, Configuration Management - Los Alamos National Laboratory TA 55 SST

370

Independent Activity Report, Los Alamos National Laboratory - August 2012 |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos National Laboratory - Los Alamos National Laboratory - August 2012 Independent Activity Report, Los Alamos National Laboratory - August 2012 August 2012 Defense Nuclear Facilities Safety Board Visit and Site Lead Planning Activities at the Los Alamos National Laboratory [HIAR LANL-2012-08-16] The purpose of this Office of Health, Safety and Security (HSS) activity was to maintain site operational awareness of key nuclear safety performance areas of interest to the Defense Nuclear Facilities Safety Board (DNFSB), monitor ongoing site oversight and planning activities for Los Alamos National Laboratory (LANL) nuclear facilities, and identify and initiate coordination of future HSS oversight activities at the site. Independent Activity Report, Los Alamos National Laboratory - August 2012

371

Independent Oversight Review, Los Alamos National Laboratory - July 2012 |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos National Laboratory - July Los Alamos National Laboratory - July 2012 Independent Oversight Review, Los Alamos National Laboratory - July 2012 July 2012 Review of the Los Alamos National Laboratory Implementation Verification Review at Technical Area-55 This report documents the independent review of the implementation verification review (IVR) process at the Los Alamos National Laboratory (LANL) plutonium facility at Technical Area-55 (TA-55) conducted by the Office of Enforcement and Oversight (Independent Oversight), which is within the Office of Health, Safety and Security (HSS). The review was performed by the HSS Office of Safety and Emergency Management Evaluations from May 1 - 17, 2012. Independent Oversight Review, Los Alamos National Laboratory - July 2012 More Documents & Publications

372

Independent Activity Report, Los Alamos National Laboratory - April 2013 |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Activity Report, Los Alamos National Laboratory - April Activity Report, Los Alamos National Laboratory - April 2013 Independent Activity Report, Los Alamos National Laboratory - April 2013 April 2003 Coordination Meeting with National Nuclear Security Administration Los Alamos Field Office Safety Basis Review Team Leader for Transuranic Waste Facility Preliminary Documented Safety Analysis Report [HIAR-LANL-2013-04-08] The Office of Health, Safety and Security (HSS) staff visited the Los Alamos National Laboratory (LANL) to coordinate with the National Nuclear Security Administration (NNSA) Los Alamos Field Office (NA-00-LA) Safety Basis Review Team (SBRT) Leader for review of the revised preliminary documented safety analysis (PDSA) for the Transuranic Waste Facility (TWF) project. LANL is developing a revised PDSA and intends to submit it to

373

Compliance Order, Los Alamos National Security, LLC - July 12, 2007 |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Compliance Order, Los Alamos National Security, LLC - July 12, 2007 Compliance Order, Los Alamos National Security, LLC - July 12, 2007 Compliance Order, Los Alamos National Security, LLC - July 12, 2007 July 12, 2007 Issued to Los Alamos National Security, LLC related to the Unauthorized Reproduction and Removal of Classified Matter from the Los Alamos National Laboratory The Compliance Order directs LANS to implement specific corrective actions to remediate both the laboratory management deficiencies that contributed to the thumb drive security incident at Los Alamos National Laboratory (LANL) discovered in October 2006 and, more broadly, longstanding deficiencies in the classified information and cyber security programs at LANL. Violation of the Compliance Order would subject LANS to issuance of a notice of violation and assessment of civil penalties up to S100,000 per

374

Compliance Order, Los Alamos National Security, LLC - July 12, 2007 |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Compliance Order, Los Alamos National Security, LLC - July 12, 2007 Compliance Order, Los Alamos National Security, LLC - July 12, 2007 Compliance Order, Los Alamos National Security, LLC - July 12, 2007 July 12, 2007 Issued to Los Alamos National Security, LLC related to the Unauthorized Reproduction and Removal of Classified Matter from the Los Alamos National Laboratory The Compliance Order directs LANS to implement specific corrective actions to remediate both the laboratory management deficiencies that contributed to the thumb drive security incident at Los Alamos National Laboratory (LANL) discovered in October 2006 and, more broadly, longstanding deficiencies in the classified information and cyber security programs at LANL. Violation of the Compliance Order would subject LANS to issuance of a notice of violation and assessment of civil penalties up to S100,000 per

375

Independent Activity Report, Los Alamos National Laboratory - August 2011 |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Activity Report, Los Alamos National Laboratory - Activity Report, Los Alamos National Laboratory - August 2011 Independent Activity Report, Los Alamos National Laboratory - August 2011 August 2011 Assessment of the Los Alamos National Laboratory Emergency Management Program Training and Drills Functional Area [HIAR-LANL-2011-08-04] Since the 2007 Office of Health, Safety and Security (HSS) inspection of the Los Alamos National Laboratory (LANL) emergency management program, HSS personnel have conducted periodic visits to follow-up on the corrective actions taken to address the findings in the review. This 2011 assessment was conducted to continue the corrective action follow-up activities and to support the Los Alamos Site Office (LASO) Emergency Management Program Manager in accomplishing the required triennial functional area assessment.

376

CRAD, Criticality Safety - Los Alamos National Laboratory TA 55 SST  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Criticality Safety - Los Alamos National Laboratory TA 55 SST Criticality Safety - Los Alamos National Laboratory TA 55 SST Facility CRAD, Criticality Safety - Los Alamos National Laboratory TA 55 SST Facility June 2005 A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) used for an assessment of the Criticality Safety program at the Los Alamos National Laboratory, TA 55 SST Facility. CRADs provide a recommended approach and the types of information to gather to assess elements of a DOE contractor's programs. CRAD, Criticality Safety - Los Alamos National Laboratory TA 55 SST Facility More Documents & Publications CRAD, Configuration Management - Los Alamos National Laboratory TA 55 SST

377

Site Visit Report, Los Alamos National Laboratory - June 2010 | Department  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Site Visit Report, Los Alamos National Laboratory - June 2010 Site Visit Report, Los Alamos National Laboratory - June 2010 Site Visit Report, Los Alamos National Laboratory - June 2010 June 2010 Facility Centered Assessment of the Los Alamos National Laboratory Radioactive Liquid Waste Treatment Facility This site visit report documents the results of the Office of Health, Safety and Security's (HSS) review of the Facility Centered Assessment (FCA) of the Los Alamos National Laboratory (LANL) Radioactive Liquid Waste Treatment Facility (RLW). This review, conducted June 9-25, 2010, was sponsored by the U.S. Department of Energy (DOE) Los Alamos Site Office (LASO) and LANL, and conducted jointly by HSS, LASO, and LANL staff. The Office of Environment, Safety and Health Evaluations was the overall lead organization for evaluation of the FCA process with the participation of

378

Enforcement Letter, Los Alamos National Security - February 16, 2007 |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

- February 16, - February 16, 2007 Enforcement Letter, Los Alamos National Security - February 16, 2007 February 16, 2007 Letter to Los Alamos National Security, LLC regarding the Preliminary Notice of Violation issued to the University of California related to Operational Performance at the Los Alamos National Laboratory Today the enclosed Preliminary Notice of Violation (PNOV) was issued to the University of California related to operational performance deficiencies at the Los Alamos National Laboratory (LANL). Although civil penalties associated with the prior contract were waived by statute, the proposed penalty would have equaled $1.1 million dollars. Enforcement Letter, Los Alamos National Security-February 16, 2007 More Documents & Publications Preliminary Notice of Violation, Los Alamos National Laboratory -

379

Los Alamos National Laboratory | National Nuclear Security Administration  

National Nuclear Security Administration (NNSA)

Los Alamos National Laboratory Los Alamos National Laboratory Home > About Us > Our Operations > Acquisition and Project Management > M & O Support Department > Los Alamos National Laboratory Los Alamos National Laboratory Los Alamos National Laboratory DE-AC52-06NA25396 Operated by Los Alamos National Security, LLC Conformed to Modification Mod 242 dated 09/29/2013 BASIC Contract (Official) Modifications (Official) Funding Mods Available Upon Request Conformed Contract (Unofficial) LANL Basic Contract dated 12/21/05 (pdf, 5,501KB) LANL A004 (8/11/06) (pdf, 501KB) LANL Conformed Contract (Conformed to Mod 242, 09/29/2013) LANL A008 (9/29/06) (pdf, 485KB) LANL A009 (9/29/06) (pdf, 410KB) LANL A010 (9/30/06) (doc, 483KB) LANL A011(10/31/06) (pdf,6290KB) LANL A015 (1/25/07) (pdf, 954KB)

380

Safety System Oversight Assessment, Los Alamos National Laboratory - May  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Safety System Oversight Assessment, Los Alamos National Laboratory Safety System Oversight Assessment, Los Alamos National Laboratory - May 2011 Safety System Oversight Assessment, Los Alamos National Laboratory - May 2011 May 2011 Safety System Oversight Assessment of the Los Alamos National Laboratory Weapons Engineering Tritium Facility Tritium Gas Handling System This report documents the results of the Office of Health, Safety and Security's (HSS) review of a safety system oversight (SSO) assessment of the Los Alamos National Laboratory (LANL) Weapons Engineering Tritium Facility (WETF) tritium gas handling system (TGHS). The assessment evaluated the TGHS's ability to perform as required by safety bases and other applicable requirements. The assessment was sponsored by the U.S. Department of Energy (DOE) Los Alamos Site Office (LASO) and was conducted

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
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381

Los Alamos National Laboratory: Long-Term Environmental Stewardship and  

NLE Websites -- All DOE Office Websites (Extended Search)

Protections: Sediment Control = Contaminant Retention Protections: Sediment Control = Contaminant Retention LANL maintains hundreds of wells, stream sampling stations and stormwater control structures to protect waters. Map of Los Alamos townsite bordered by Pueblo and Los Alamos Canyons Los Alamos townsite bordered by Pueblo and Los Alamos Canyons Los Alamos Canyon weir Pueblo Canyon grade control structure Trap and remove sediment Willows Wildfires Stormwater structures Los Alamos Canyon dam and reservoir Stormwater controls after wildfire Hydroseeding LANL constrains the flow of contaminated sediments into the Rio Grande. Fact Check » « Every watershed at LANL has been evaluated and stormwater controls have been installed to keep contaminated sediment on LANL property. Every waste management area on mesa tops has been evaluated and 80% of planned controls

382

Preliminary Notice of Violation, Los Alamos National Laboratory -  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos National Laboratory - Los Alamos National Laboratory - EA-2002-05 Preliminary Notice of Violation, Los Alamos National Laboratory - EA-2002-05 December 17, 2002 Preliminary Notice of Violation issued to University of California related to the Unauthorized Storage of Transuranic Waste at the Los Alamos National Laboratory, December 17, 2002 (EA-2002-05) This letter refers to the recent investigation by the Department of Energy (DOE)/National Nuclear Security Administration (NNSA) of the unauthorized staging and storage of transuranic (TRU) waste in PF-185 from March 1996 until June 2001. Preliminary Notice of Violation, Los Alamos National Laboratory - EA-2002-05 More Documents & Publications Preliminary Notice of Violation, Los Alamos National Laboratory - EA-2003-02 Fact Sheet, Preliminary Notice of Violation: Four Hazardous Energy Control

383

Independent Oversight Review, Los Alamos National Laboratory - December  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Independent Oversight Review, Los Alamos National Laboratory - Independent Oversight Review, Los Alamos National Laboratory - December 2013 Independent Oversight Review, Los Alamos National Laboratory - December 2013 December 2013 Review of the Technical Area 55 Safety Class Fire Suppression System at Los Alamos National Laboratory This report documents the results of an independent oversight review of the Los Alamos National Laboratory (LANL) Technical Area 55 Plutonium Facility safety class fire suppression system (FSS), concurrent with a scheduled Los Alamos Field Office vital safety system assessment. The review was performed April 29 through May 20, 2013, by the U.S. Department of Energy's (DOE) Office of Safety and Emergency Management Evaluations, which is within the DOE Office of Health, Safety and Security. The

384

Better Buildings Neighborhood Program: Los Angeles County's Green Idea  

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County's Green Idea House Achieves Efficient Goals to someone by E-mail County's Green Idea House Achieves Efficient Goals to someone by E-mail Share Better Buildings Neighborhood Program: Los Angeles County's Green Idea House Achieves Efficient Goals on Facebook Tweet about Better Buildings Neighborhood Program: Los Angeles County's Green Idea House Achieves Efficient Goals on Twitter Bookmark Better Buildings Neighborhood Program: Los Angeles County's Green Idea House Achieves Efficient Goals on Google Bookmark Better Buildings Neighborhood Program: Los Angeles County's Green Idea House Achieves Efficient Goals on Delicious Rank Better Buildings Neighborhood Program: Los Angeles County's Green Idea House Achieves Efficient Goals on Digg Find More places to share Better Buildings Neighborhood Program: Los Angeles County's Green Idea House Achieves Efficient Goals on

385

Table EA-1. Stream-water dissolved Mn at basin outflow of perennial stream at Inspiration Dam illustrating decreases in dissolved Mn in response to remediation efforts. Dissolved Mn in  

E-Print Network (OSTI)

-Jul-98 2.8E-04 24-Nov-98 3.6E-04 11-Feb-99 1.2E-05 Remedial ground-water pumping begins 24-Mar-99 8.9E) and ground-water (GW) chemistry data for streambed sediment sampling sites. Dissolved concentrations in moleTable EA-1. Stream-water dissolved Mn at basin outflow of perennial stream at Inspiration Dam

386

Los Angeles County - Commercial PACE (California) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Angeles County - Commercial PACE (California) Los Angeles County - Commercial PACE (California) Los Angeles County - Commercial PACE (California) < Back Eligibility Commercial Savings Category Heating & Cooling Commercial Heating & Cooling Heating Cooling Other Construction Heat Pumps Appliances & Electronics Commercial Lighting Lighting Manufacturing Home Weatherization Windows, Doors, & Skylights Alternative Fuel Vehicles Hydrogen & Fuel Cells Solar Buying & Making Electricity Water Heating Program Info State California Program Type PACE Financing Businesses in Los Angeles County may be eligible for the county's Property Assessed Clean Energy (PACE) program. PACE programs allow businesses to finance energy and water efficiency projects which are repaid through a special assessment on the business's property taxes. The property must be

387

Los Angeles County - Green Building Program | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Angeles County - Green Building Program Los Angeles County - Green Building Program Los Angeles County - Green Building Program < Back Eligibility Commercial Construction Industrial Local Government Multi-Family Residential Nonprofit Residential Schools Savings Category Heating & Cooling Home Weatherization Construction Commercial Weatherization Commercial Heating & Cooling Design & Remodeling Bioenergy Solar Lighting Windows, Doors, & Skylights Alternative Fuel Vehicles Hydrogen & Fuel Cells Heating Buying & Making Electricity Water Water Heating Program Info State California Program Type Building Energy Code Provider Los Angeles County Department of Regional Planning '''''Note: The Regional Planning Commission is considering amendments to the requirements outlined here. See the website above for the most recent

388

Independent Oversight Review, Los Alamos National Laboratory - April 2012 |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Laboratory - Laboratory - April 2012 Independent Oversight Review, Los Alamos National Laboratory - April 2012 April 2012 Review of the Consequence Assessment Program at the Los Alamos National Laboratory The Office of Enforcement and Oversight (Independent Oversight), within the Office of Health, Safety and Security, conducted an independent review of the Los Alamos National Laboratory (LANL) emergency management consequence assessment program. The purpose of the review was to measure LANL's compliance against U.S. Department of Energy (DOE) orders and LANL institutional requirements. The review scope was coordinated with the Los Alamos Site Office (LASO), and the review was conducted February 7-9, 2012. LANL's consequence assessment process ensures that estimates of onsite

389

Independent Oversight Review, Los Alamos National Laboratory Chemistry and  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Laboratory Laboratory Chemistry and Metallurgy Research Facility - January 2012 Independent Oversight Review, Los Alamos National Laboratory Chemistry and Metallurgy Research Facility - January 2012 January 2012 Review of the Los Alamos National Laboratory Chemistry and Metallurgy Research Facility Fire Suppression Vital Safety System The Office of Enforcement and Oversight (Independent Oversight), within the Office of Health, Safety and Security (HSS), conducted an independent review of the Los Alamos National Laboratory Chemistry and Metallurgy Research (CMR) Facility safety significant fire suppression system (FSS) vital safety system in conjunction with a scheduled Los Alamos Site Office (LASO) assessment. The purpose of the LASO assessment was to evaluate the

390

Workforce Statistics - Los Alamos Field Office | National Nuclear Security  

National Nuclear Security Administration (NNSA)

Los Alamos Field Office | National Nuclear Security Los Alamos Field Office | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Workforce Statistics - Los Alamos Field Office Home > About Us > Our Operations > Management and Budget > Office of Civil Rights > Workforce Statistics > Workforce Statistics - Los Alamos Field Office

391

Independent Activity Report, Los Alamos National Laboratory - August 2012 |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

2 2 Independent Activity Report, Los Alamos National Laboratory - August 2012 August 2012 Defense Nuclear Facilities Safety Board Visit and Site Lead Planning Activities at the Los Alamos National Laboratory [HIAR LANL-2012-08-16] The purpose of this Office of Health, Safety and Security (HSS) activity was to maintain site operational awareness of key nuclear safety performance areas of interest to the Defense Nuclear Facilities Safety Board (DNFSB), monitor ongoing site oversight and planning activities for Los Alamos National Laboratory (LANL) nuclear facilities, and identify and initiate coordination of future HSS oversight activities at the site. Independent Activity Report, Los Alamos National Laboratory - August 2012 More Documents & Publications

392

Independent Oversight Review, Los Alamos National Laboratory - January 2012  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

2 2 Independent Oversight Review, Los Alamos National Laboratory - January 2012 January 2012 Review of the Los Alamos National Laboratory Waste Characterization, Reduction, and Repackaging Facility Fire Suppression System The Office of Enforcement and Oversight (Independent Oversight), within the Office of Health, Safety and Security (HSS), conducted an independent review of the Los Alamos National Laboratory Waste Characterization, Reduction, and Repackaging Facility (WCRRF) safety significant fire suppression system (FSS) vital safety system in conjunction with a scheduled Los Alamos Site Office (LASO) assessment. Overall, the LASO assessment was competently performed by knowledgeable LASO personnel using appropriate criteria as defined in LASO Procedure MP

393

Independent Oversight Activity Report, Los Alamos National Laboratory November 2013  

Energy.gov (U.S. Department of Energy (DOE))

Follow-up on the Progress and Issues in the Implementation of the Los Alamos National Laboratory Worker Exposure Assessment Process [HIAR-LANL-2013-11-26

394

Los Alamos laser instrument arrives on Red Planet's surface  

NLE Websites -- All DOE Office Websites (Extended Search)

Laser instrument arrives on Red Planet's surface Los Alamos laser instrument arrives on Red Planet's surface The ChemCam laser characterization instrument was developed at LANL and...

395

Study finds radioactivity around Los Alamos largely due to natural...  

NLE Websites -- All DOE Office Websites (Extended Search)

natural sources The study was subsequently peer reviewed externally by scientists at Colorado State University and internally within the Lab. December 10, 2008 Los Alamos National...

396

Los Alamos-Argonne partnership will aid understanding of complex...  

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Partnership will aid understanding of complex materials Los Alamos-Argonne partnership will aid understanding of complex materials An intimate understanding of complex materials...

397

Los Alamos technology to be featured on CSI: NY  

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on CSI: NY Los Alamos technology to be featured on CSI: NY The multipurpose "sampler gun" rapidly collects and tracks radiological, chemical, and biological samples in solid,...

398

LOS ALAMOS, New Mexico, January 22, 2008-Laboratory Director...  

NLE Websites -- All DOE Office Websites (Extended Search)

and support January 22, 2008 Organization responsible for production of nuclear weapon components and other national security- related products and services LOS ALAMOS, New...

399

Los Alamos Neutron Science Center gets capacity boost  

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Neutron Science Center capacity boost Los Alamos Neutron Science Center gets capacity boost The facility can simulate the effects of hundreds or thousands of years of...

400

Neutron stars is focus of Los Alamos National Laboratory Frontiers...  

NLE Websites -- All DOE Office Websites (Extended Search)

Frontiers in Science lectures Neutron stars is focus of Los Alamos National Laboratory Frontiers in Science lectures Lectures are intended to increase local public awareness of the...

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Neutron reactions and climate uncertainties earn Los Alamos scientists...  

NLE Websites -- All DOE Office Websites (Extended Search)

DOE Early Career awards Neutron reactions and climate uncertainties earn Los Alamos scientists DOE Early Career awards Marian Jandel and Nathan Urban are among the 61 national...

402

High-Performance Computing at Los Alamos announces milestone...  

NLE Websites -- All DOE Office Websites (Extended Search)

High-Performance Computing announces milestone High-Performance Computing at Los Alamos announces milestone for keyvalue middleware Billion inserts-per-second data milestone...

403

Nature climate change features Los Alamos forest research  

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Nature climate change features forest research Nature climate change features Los Alamos forest research The print issue features as its cover story the tree-stress research of...

404

Nature Climate Change features Los Alamos forest research  

NLE Websites -- All DOE Office Websites (Extended Search)

Nature Climate Change Features Forest Research Nature Climate Change features Los Alamos forest research The print issue features as its cover story the tree-stress research of...

405

Los Alamos National Laboratory to host Robot Rodeo  

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Robot Rodeo Los Alamos National Laboratory to host Robot Rodeo Hazardous devices teams from around the Southwest will wrangle their bomb squad robots at the sixth annual Robot...

406

Los Alamos National Laboratory sponsors 16th Hazmat Challenge  

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Fifteen hazardous materials response teams from New Mexico, Texas, Missouri and Oklahoma respond to simulated hazardous materials emergencies. July 31, 2012 Los Alamos...

407

High-performance computer system installed at Los Alamos National...  

NLE Websites -- All DOE Office Websites (Extended Search)

High-performance computer system installed at Lab High-performance computer system installed at Los Alamos National Laboratory New high-performance computer system, called Wolf,...

408

High-performance computer system installed at Los Alamos National...  

NLE Websites -- All DOE Office Websites (Extended Search)

High-performance computer system installed at Los Alamos National Laboratory Alumni Link: Opportunities, News and Resources for Former Employees Latest Issue:January 2015 All...

409

Los Alamos National Laboratory, Sandia Labs, other major employers...  

NLE Websites -- All DOE Office Websites (Extended Search)

as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory...

410

Learn about business networking opportunities at Los Alamos National...  

NLE Websites -- All DOE Office Websites (Extended Search)

as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory...

411

Los Alamos National Laboratory's environmental data now viewable...  

NLE Websites -- All DOE Office Websites (Extended Search)

as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory...

412

Los Alamos observatory fingers cosmic ray 'hot spots'  

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as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory...

413

Los Alamos National Laboratory receives Recovery Act funds  

NLE Websites -- All DOE Office Websites (Extended Search)

as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory...

414

Los Alamos instrument to shine light on Mars habitability  

NLE Websites -- All DOE Office Websites (Extended Search)

as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory...

415

Los Alamos National Laboratory, LANS develop new mentor-protg...  

NLE Websites -- All DOE Office Websites (Extended Search)

as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory...

416

Area schools get new computers through Los Alamos National Laboratory...  

NLE Websites -- All DOE Office Websites (Extended Search)

as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory...

417

Los Alamos achieves world-record pulsed magnetic field  

NLE Websites -- All DOE Office Websites (Extended Search)

as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory...

418

Five Los Alamos researchers receive Early Career Awards  

NLE Websites -- All DOE Office Websites (Extended Search)

as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory...

419

Los Alamos Site Office Nuclear Maintenance Management Program...  

Office of Environmental Management (EM)

and Emergency Management Evaluations Activity Report for the Los Alamos Site Office Nuclear Maintenance Management Program Oversight Self-Assessment Dates of Activity : 1114...

420

Los Alamos scientists detect and track single molecules with...  

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Nanotube "glowsticks" transform surface science tool kit Los Alamos scientists detect and track single molecules with nanoscale carbon cylinders Researchers have now shown that...

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
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We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Los Alamos National Laboratory names new head of weapons programs  

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Laboratory names new head of weapons programs Los Alamos National Laboratory names new head of weapons programs Bret Knapp has been acting in that position since June 2011....

422

Differences, similarities of early Los Alamos, Soviet scientists...  

NLE Websites -- All DOE Office Websites (Extended Search)

According to Hargittai, Los Alamos' first director, Julius Robert (J. Robert) Oppenheimer and Arzamas-16 leader Yulii B. Khariton had the same first names, were born the...

423

Little Boy weaponeer William "Deak" Parsons, wartime Los Alamos...  

NLE Websites -- All DOE Office Websites (Extended Search)

Office (505) 665-4803 Email Meade said Los Alamos' first director, J. Robert Oppenheimer, described Parson's work by saying, "I believe it is impossible to overestimate the...

424

Los Alamos National Laboratory remembers former director Harold...  

NLE Websites -- All DOE Office Websites (Extended Search)

He was the third director of Los Alamos National Laboratory, succeeding Robert Oppenheimer and Norris Bradbury. He served from 1970 to 1979. Joined Manhattan Project in 1943...

425

Voluntary Protection Program Onsite Review, Los Alamos National...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Washington, DC 20585 Los Alamos National Security, LLC DOE-VPP Onsite Review June 2013 Foreword The Department of Energy (DOE) recognizes that true excellence can be...

426

Los Alamos shares Nano 50 award for directed assembly  

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innovators that have significantly impacted, or will impact, the development of nanotechnology." September 3, 2008 Los Alamos National Laboratory sits on top of a once-remote...

427

Los Alamos National Laboratory announces top 10 science stories...  

NLE Websites -- All DOE Office Websites (Extended Search)

magnetic fields, disease tracking, the study of Mars, climate change, fuel cells, solar wind, and magnetic reconnection. December 23, 2011 Los Alamos National Laboratory sits...

428

At Los Alamos's Lujan Neutron Scattering Center, crystallographer...  

NLE Websites -- All DOE Office Websites (Extended Search)

showing off the revealing properties of neutrons February 27, 2014 At Los Alamos's Lujan Neutron Scattering Center, crystallographer Olivier Gourdon shows visiting researchers...

429

Los Alamos National Laboratory announces selection of venture...  

NLE Websites -- All DOE Office Websites (Extended Search)

a Los Alamos start-up company that will supply the active pharmaceutical ingredient strontium-82 to radiopharmaceutical companies for heart-imaging purposes. Until now, drug...

430

CRAD, Emergency Management - Los Alamos National Laboratory TA...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

CRAD, Emergency Management - Office of River Protection K Basin Sludge Waste System CRAD, Conduct of Operations - Los Alamos National Laboratory TA 55 SST Facility CRAD, Training -...

431

Independent Oversight Review, Los Alamos National Laboratory- December 2011  

Energy.gov (U.S. Department of Energy (DOE))

Review of the Independent Integrated Safety Management/Integrated Work Management Assessment of Research and Development and Programmatic Work at the Los Alamos National Laboratory

432

Los Alamos conducts important hydrodynamic experiment in Nevada  

NLE Websites -- All DOE Office Websites (Extended Search)

the experiment, conducted at NNSS's U1a underground complex in collaboration with NSTec and supported by Sandia National Laboratories, Los Alamos scientists and technicians...

433

Los Alamos National Laboratory launches new student app  

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LANL launches new student app Los Alamos National Laboratory launches new student app Students can use to learn about employment opportunities, science research, education programs...

434

sent to the WIPP Laboratories, Los Alamos National Laboratory...  

NLE Websites -- All DOE Office Websites (Extended Search)

Samples collected by employees during last week's re-entry into the WIPP underground facility will be sent to the WIPP Laboratories, Los Alamos National Laboratory, and...

435

Brain teasers traveling exhibit opens at Los Alamos National...  

NLE Websites -- All DOE Office Websites (Extended Search)

Brain teasers exhibit opens at museum Brain Teasers traveling exhibit opens at Los Alamos National Laboratory's Bradbury Science Museum The interactive exhibit is a collection of...

436

CRAD, Training - Los Alamos National Laboratory Waste Characterization...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Safety Basis - Los Alamos National Laboratory Waste Characterization, Reduction, and Repackaging Facility CRAD, Training - Office of River Protection K Basin Sludge Waste System...

437

Los Alamos National Laboratory Selects Three Small Businesses...  

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

small business work, visit http:www.lanl.govbusinesssmall-businessindex.php Addthis Related Articles Advanced techniques allowed crews at Los Alamos National...

438

California - Los Angeles Basin Onshore Crude Oil + Lease Condensate...  

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

Production from Reserves (Million Barrels) California - Los Angeles Basin Onshore Crude Oil + Lease Condensate Estimated Production from Reserves (Million Barrels) Decade Year-0...

439

White House honors Los Alamos physicist's early career work  

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White House honors physicist's early career work White House honors Los Alamos physicist's early career work Ivan Vitev has received a prestigious Presidential Early Career Award...

440

Los Alamos expertise integral to nuclear energy innovation hub  

NLE Websites -- All DOE Office Websites (Extended Search)

expertise, the Los Alamos and MIT researchers engaged in the Materials Performance and Optimization portion of the project will examine, at an atomistic scale, how reactor core...

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

FPD's Perspective Photos - Los Alamos National Labratory - NISA...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

National Labratory - NISA Enforcement Letter, Los Alamos National Security, LLC - May 15, 2008 High Temperature Thermal Array for Next Generation Solar Thermal Power Production...

442

of Energy's Los Alamos National Laboratory and Brookhaven National...  

NLE Websites -- All DOE Office Websites (Extended Search)

produce transparent, light- harvesting material November 3, 2010 Breakthrough could lead to solar-power-generating windows LOS ALAMOS, New Mexico, NOVEMBER 3, 2010-Scientists at...

443

Preliminary Notice of Violation, Los Alamos National Laboratory...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Enforcement Guidance Supplement 00-03: Specific Issues on Applicability of 10 CFR 830 Preliminary Notice of Violation, Los Alamos National Laboratory - EA-2002-05 Sandia...

444

Los Angeles Recognized for Leadership in Energy Efficiency |...  

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

emissions. Through the Better Buildings Challenge, Los Angeles has pledged to reduce the energy intensity for 30 million square feet of city-owned facilities and private buildings...

445

ARM - News from the Los Angeles to Hawaii Deployment  

NLE Websites -- All DOE Office Websites (Extended Search)

Investigator News from the Los Angeles to Hawaii Deployment Media Coverage Lemont Patch "Argonne Scientists Help Launch MAGIC Climate Study" October 2, 2012 Scientific...

446

New Mexico small businesses helped by Los Alamos National Laboratory...  

NLE Websites -- All DOE Office Websites (Extended Search)

helped by Los Alamos National Laboratory scientists Harshini Mukundan and Mark E. Smith received Principal Investigator Excellence Awards from the New Mexico Small Business...

447

Preliminary Notice of Violation, Los Alamos National Laboratory...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Events involving Radiation Protection and Quality Control Requirements at the Chemistry and Metallurgy Research Facility at the Los Alamos National Laboratory, (EA-98-10)...

448

Independent Activity Report, Los Alamos Site Office - December...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

December 2010 Los Alamos Site Office, Office of Quality Assurance Assessment of the Chemistry and Metallurgy Research Building Replacement Project Quality Assurance Plan The U.S....

449

Los Alamos National Laboratory announces strategy for long-term...  

NLE Websites -- All DOE Office Websites (Extended Search)

Strategy for long-term environmental sustainability Los Alamos National Laboratory announces strategy for long-term environmental sustainability Provides a blueprint for protecting...

450

An Updated Conceptual Model Of The Los Humeros Geothermal Reservoir...  

Open Energy Info (EERE)

Humeros Geothermal Reservoir (Mexico) Abstract An analysis of production and reservoir engineering data of 42 wells from the Los Humeros geothermal field (Mexico) allowed...

451

Preliminary Notice of Violation, Los Alamos National Laboratory...  

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

Los Alamos National Laboratory - EA-2000-13 More Documents & Publications EIS-0319: Final Environmental Impact Statement Preliminary Notice of Violation, Argonne National...

452

Los Azufres II Geothermal Power Plant | Open Energy Information  

Open Energy Info (EERE)

Geothermal energy Location Information Location Los Azufres, Cd. Hidalgo, Michoacan, Mexico Coordinates 19.783947724044, -100.60854434967 Loading map... "minzoom":false,"map...

453

Faculty Recruitment for Excellence (FRED) presentation for Los...  

NLE Websites -- All DOE Office Websites (Extended Search)

at Los Alamos National Laboratory Alliance for Advancement of Florida's Academic Women in Chemistry and Engineering (AAFAWCE) FSU Leadership in NSF ADVANCE-PAID grant, AAFAWCE Name...

454

Enforcement Letter, Los Alamos National Laboratory - July 7,...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

1997 July 7, 1997 Issued to the University of California related to Potential Quality Assurance Rule Violations associated with an Explosion and Fire at the Los Alamos National...

455

Los Alamos engineer selected to participate in NAE's 2012 "Frontiers...  

NLE Websites -- All DOE Office Websites (Extended Search)

Moody to participate in "Frontiers of Engineering" Los Alamos engineer selected to participate in NAE's 2012 "Frontiers of Engineering" symposium Engineers between 30 to 45 who are...

456

LOS ALAMOS, New Mexico, OCTOBER 18, 2010-Los Alamos National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

Consortium to design human trials of Consortium to design human trials of mosaic HIV vaccine October 18, 2010 LOS ALAMOS, New Mexico, OCTOBER 18, 2010-Los Alamos National Laboratory researcher Bette Korber is part of an international team of investigators working to design and implement the first human trial of a mosaic HIV vaccine candidate. The vaccine represents a novel strategy for fighting the virus that causes AIDS by attempting to address one of the most daunting challenges in HIV vaccine design: the virus's extensive genetic diversity. The team and its efforts are being led by Duke University Medical Center under consortium leader Dr. Barton Haynes, director of the Duke Human Vaccine Institute and the Center for HIV/AIDS Vaccine Immunology (CHAVI). The newly formed research coalition has begun designing an early phase safety trial to assess mosaic vaccines in

457

LOS ALAMOS, N.M., January 15, 2013-Researchers from Los Alamos National  

NLE Websites -- All DOE Office Websites (Extended Search)

follows the 'Yellowknife follows the 'Yellowknife Road' to Martian wet area January 15, 2013 Instrument confirms presence of gypsum and related minerals LOS ALAMOS, N.M., January 15, 2013-Researchers from Los Alamos National Laboratory and the French Space Agency have tracked a trail of minerals that point to the prior presence of water at the Curiosity rover site on Mars. Researchers from the Mars Science Laboratory's ChemCam team today described how the laser instrument aboard the Curiosity Rover-an SUV-sized vehicle studying the surface of the Red Planet-has detected veins of gypsum running through an area known as Yellowknife Bay, located some 700 meters away from where the Curiosity Rover landed five months ago. - 2 - "These veins are composed mainly of hydrated calcium sulfate, such as bassanite

458

LOS ALAMOS, N.M., Nov. 19, 2013-Researchers at Los Alamos National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

virus spread and evolution studied virus spread and evolution studied through computer modeling November 19, 2013 LOS ALAMOS, N.M., Nov. 19, 2013-Researchers at Los Alamos National Laboratory are investigating the complex relationships between the spread of the HIV virus in a population (epidemiology) and the actual, rapid evolution of the virus (phylogenetics) within each patient's body. "We have developed novel ways of estimating epidemics dynamics such as who infected whom, and the true population incidence of infection versus mere diagnoses dates," said Thomas Leitner, principal investigator. "Obviously, knowledge about these things is important for public health monitoring, decision making and intervention campaigns, and further to forensic investigations." The team models the uninfected population using traditional differential equations

459

LOS ALAMOS, New Mexico, August 20, 2012-Scientists at Los Alamos National  

NLE Websites -- All DOE Office Websites (Extended Search)

Laser research shows promise for Laser research shows promise for cancer treatment August 20, 2012 New insights gained on how lasers generate ions in dense plasmas LOS ALAMOS, New Mexico, August 20, 2012-Scientists at Los Alamos National Laboratory have observed for the first time how a laser penetrates dense, electron-rich plasma to generate ions. The process has applications for developing next generation particle accelerators and new cancer treatments. The results, published online August 19 in Nature Physics, also confirm predictions made more than 60 years ago about the fundamental physics of laser-plasma interaction. Plasmas dense with electrons normally reflect laser light like a mirror. But - 2 - a strong laser can drive those electrons to near the speed of light, making the plasma

460

Los Alamos, New Mexico, July 21, 2009- Los Alamos National Laboratory scientists  

NLE Websites -- All DOE Office Websites (Extended Search)

snags five R&D 100 awards snags five R&D 100 awards July 21, 2009 "Oscars of Invention" recognize greatest innovations of 2009 Los Alamos, New Mexico, July 21, 2009- Los Alamos National Laboratory scientists won five of R&D Magazine's 2009 R&D 100 Awards. Recognized as the "Oscars of Invention" by the Chicago Tribune, these awards honor the top 100 proven technological advances of the past year. Winning Laboratory projects are MagViz, the SIMTECHE CO2 Capture Process, Lasonix, TeraOps Software Radio, and the Artificial Retina Project."The Department of Energy's national laboratories are incubators of innovation, and I'm proud they are being recognized once again for their remarkable work," said Energy Secretary Steven Chu. "The cutting-edge

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

On June 28, Los Alamos National Security, LLC and Los Alamos National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

102-year-old retiree continues to make a 102-year-old retiree continues to make a difference April 3, 2012 Virginia Stovall: Vecinos' most "seasoned" volunteer at 102 continues to help others On June 28, Los Alamos National Security, LLC and Los Alamos National Laboratory will honor outstanding LANL employee and retiree Vecinos Volunteer Program volunteers. Volunteers who logged more than 100 hours of service last year will receive recognition, and a monetary donation will be made to the nonprofit organization they serve. The Top Five Employee and Retiree Volunteers of the Year will receive additional recognition from the LANL Director's Office. - 2 - In the outstanding retiree category, one of most "seasoned" volunteers, Virginia Stovall, will be honored for volunteering 1,470 hours last year. Virginia will also be celebrating

462

LOS ALAMOS, N.M., Feb. 14, 2013-Recently a Los Alamos National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

Quantum cryptography put to work for Quantum cryptography put to work for electric grid security February 14, 2013 LOS ALAMOS, N.M., Feb. 14, 2013-Recently a Los Alamos National Laboratory quantum cryptography (QC) team successfully completed the first-ever demonstration of securing control data for electric grids using quantum cryptography. The demonstration was performed in the electric grid test bed that is part of the Trustworthy Cyber Infrastructure for the Power Grid (TCIPG) project at the University of Illinois Urbana-Champaign (UIUC) that was set up under the Department of Energy's Cyber Security for Energy Delivery Systems program in the Office of Electricity Delivery and Energy Reliability. Novel methods for controlling the electric grid are needed to accommodate new energy sources such as renewables whose availability can fluctuate on short time scales. This

463

LOS ALAMOS, NEW MEXICO, August 30,2012-Los Alamos National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

provides HOPE for radiation provides HOPE for radiation belt storm probes August 30, 2012 Spacecraft pair to explore mysterious region where other satellites fear to tread LOS ALAMOS, NEW MEXICO, August 30,2012-Los Alamos National Laboratory expertise in radiation detection and shielding is poised to help a national team of scientists better understand a mysterious region that can create hazardous space weather near our home planet. The Helium Oxygen Proton Electron (HOPE) analyzer is one of a suite of instruments that was successfully launched today as part of the Radiation Belt Storm Probe mission -an effort by NASA and the Johns Hopkins University's Applied Physics Laboratory - 2 - to gain insight into the Sun's influence on Earth and near-Earth space by studying our planet's radiation belt.

464

Synthesis and properties of a new quadruple perovskite: A-site ordered PbMn{sub 3}Mn{sub 4}O{sub 12}  

SciTech Connect

PbMn{sub 3}Mn{sub 4}O{sub 12} a quadruple perovskite was prepared by high pressure and high temperature synthesis. Powder X-ray diffraction (PXD) and differential scanning calorimetry reveal a structural phase transition at {approx}380 K. Rietveld refinement of the synchrotron room temperature data indicate rhombohedral symmetry (R-3) with a=6.43675(4) A and {alpha}=109.556(2) Degree-Sign . Similar 423 K PXD data refined in a body centered cubic cell (Im-3) with a=7.4283(9) A. The temperature variation of magnetization, shows a magnetic field dependent antiferromagnetic-like transition at 68 K, and dynamic fluctuations indicative of magnetic frustration. The semiconducting electrical behavior indicates a large decrease in the conductivity near 68 K. The temperature dependence of the real part of the dielectric constant, {epsilon}{sub real} increases dramatically at {approx}68 K, and shows relaxor-type ferroelectric behavior as a function of frequency. The intimate coupling of magnetic, electrical and dielectric properties at 68 K in PbMn{sub 3}Mn{sub 4}O{sub 12} suggests possible multiferroic behavior. - Graphical abstract: Resistance vs. temperature plot showing drastically increasing resistances at temperatures below 68 K (a). Formation of a frequency dependency of the dielectric constant between 68 K and ambient temperature (b). Sharp cusp in the magnetic susceptibility observed at 68 K which is suppressed with increasing magnetic field (c) indicates coupling of magnetic, electric and dielectric effects. Highlights: Black-Right-Pointing-Pointer PbMn{sub 3}Mn{sub 4}O{sub 12} a quadruple perovskite was prepared at high pressure. Black-Right-Pointing-Pointer A structural transition is seen at 380 K from space group R-3-to-Im-3. Black-Right-Pointing-Pointer An antiferromagnetic transition is observed at 68 K. Black-Right-Pointing-Pointer It is semiconducting with a large decrease in the conductivity near 68 K. Black-Right-Pointing-Pointer The temperature dependence of the dielectric constant increases dramatically at 68 K. Black-Right-Pointing-Pointer Coupling of magnetic, electric and dielectric behavior suggests multiferroicity.

Locherer, T.; Dinnebier, R.; Kremer, R.K. [Max Planck Institute for Solid State Research, Heisenbergstr. 1, D-70569 Stuttgart (Germany); Greenblatt, M., E-mail: martha@rutchem.rutgers.edu [Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, NJ 08854 (United States); Jansen, M. [Max Planck Institute for Solid State Research, Heisenbergstr. 1, D-70569 Stuttgart (Germany)

2012-06-15T23:59:59.000Z

465

Environmental analysis of Lower Pueblo/Lower Los Alamos Canyon, Los Alamos, New Mexico  

SciTech Connect

The radiological survey of the former radioactive waste treatment plant site (TA-45), Acid Canyon, Pueblo Canyon, and Los Alamos Canyon found residual contamination at the site itself and in the channel and banks of Acid, Pueblo, and lower Los Alamos Canyons all the way to the Rio Grande. The largest reservoir of residual radioactivity is in lower Pueblo Canyon, which is on DOE property. However, residual radioactivity does not exceed proposed cleanup criteria in either lower Pueblo or lower Los Alamos Canyons. The three alternatives proposed are (1) to take no action, (2) to construct a sediment trap in lower Pueblo Canyon to prevent further transport of residual radioactivity onto San Ildefonso Indian Pueblo land, and (3) to clean the residual radioactivity from the canyon system. Alternative 2, to cleanup the canyon system, is rejected as a viable alternative. Thousands of truckloads of sediment would have to be removed and disposed of, and this effort is unwarranted by the low levels of contamination present. Residual radioactivity levels, under either present conditions or projected future conditions, will not result in significant radiation doses to persons exposed. Modeling efforts show that future transport activity will not result in any residual radioactivity concentrations higher than those already existing. Thus, although construction of a sediment trap in lower Pueblo Canyon is a viable alternative, this effort also is unwarranted, and the no-action alternative is the preferred alternative.

Ferenbaugh, R.W.; Buhl, T.E.; Stoker, A.K.; Becker, N.M.; Rodgers, J.C.; Hansen, W.R.

1994-12-01T23:59:59.000Z

466

Xcel Energy - Solar*Rewards Program and MN Made PV Rebate Program |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Xcel Energy - Solar*Rewards Program and MN Made PV Rebate Program Xcel Energy - Solar*Rewards Program and MN Made PV Rebate Program Xcel Energy - Solar*Rewards Program and MN Made PV Rebate Program < Back Eligibility Commercial Local Government Nonprofit Residential Savings Category Solar Buying & Making Electricity Maximum Rebate $90,000 (as determined by the incentive level and maximum system size) Program Info Start Date 03/01/2010 State Minnesota Program Type Utility Rebate Program Rebate Amount REC Rebate Program 2010-2012:$2.25/W DC REC Rebate Program 2013:$1.50/W DC Minnesota Made Bonus 2010-2012:Up to an additional $2.75/W DC (paired with REC Rebate) Provider Xcel Energy '''''Note: All 2012 funding for the Solar*Rewards program and Minnesota Made Bonus has been reserved as of July 11, 2012. On October 1, 2012, the

467

Anomalously large spin susceptibility enhancement in n-doped CdMnTe quantum wells  

SciTech Connect

We report on time-resolved Kerr rotation (TRKR) experiments done on n-doped CdMnTe quantum wells (QWs), in the regime where strong coupling between the electron and the Mn spin-flip excitations shows up. It has been proposed previously to deduce the 2D electron gas spin susceptibility from the coupling energy between these spin excitations. Here we measure the coupling energy on a high mobility sample down to very low excitation density, and compare the results with spin-flip Raman scattering (SFRS) on the same sample. The electron spin polarizations measured by TRKR and SFRS are found in relatively good agreement. However the spin susceptibility measured by TRKR exceeds systematically the values predicted by many-body theory. This could be an indication that the two-oscillator model used to describe mixed electron-Mn spin excitations needs to be improved.

Ben Cheikh, Z. [Laboratoire Charles Coulomb, UMR 5221, Dpartement Semi-conducteurs, Matriaux et Capteurs, Universit Montpellier 2, France and Laboratoire de Physique des Matriaux: Structures et Proprits, Facult (Tunisia); Cronenberger, S.; Vladimirova, M.; Scalbert, D. [Laboratoire Charles Coulomb, UMR 5221, Departement Semi-conducteurs, Materiaux et Capteurs, Universite Montpellier 2 (France); Boujdaria, K. [Laboratoire de Physique des Matriaux: Structures et Proprits, Facult des Sciences de Bizerte, Universit de Carthage, 7021 Zarzouna (Tunisia); Baboux, F.; Perez, F. [Institut des NanoSciences de Paris, CNRS/Universit Paris 6, 4 place Jussieu, F-75005 Paris (France); Wojtowicz, T.; Karczewski, G. [Institute of Physics, Polish Academy of Sciences, 02-668 Warsaw (Poland)

2013-12-04T23:59:59.000Z

468

In-situ spectro-microscopy on organic films: Mn-Phthalocyanine on Ag(100)  

SciTech Connect

Metal phthalocyanines are attracting significant attention, owing to their potential for applications in chemical sensors, solar cells and organic magnets. As the electronic properties of molecular films are determined by their crystallinity and molecular packing, the optimization of film quality is important for improving the performance of organic devices. Here, we present the results of in situ low-energy electron microscopy / photoemission electron microscopy (LEEM/PEEM) studies of incorporation-limited growth [1] of manganese-phthalocyanine (MnPc) on Ag(100) surfaces. MnPc thin films were grown on both, bulk Ag(100) surface and thin Ag(100)/Fe(100) films, where substrate spin-polarized electronic states can be modified through tuning the thickness of the Ag film [2]. We also discuss the electronic structure and magnetic ordering in MnPc thin films, investigated by angle- and spin-resolved photoemission spectroscopy.

Al-Mahboob A.; Vescovo, E.; Sadowski, J.T.

2013-08-18T23:59:59.000Z

469

Electronic structural and magnetic properties of Mn{sub 5}Ge{sub 3} clusters  

SciTech Connect

Theoretical understanding of the stability, ferromagnetism, and spin polarization of Mn{sub 5}Ge{sub 3} clusters has been performed by using the density functional theory with generalized gradient approximation for exchange and correlation. The magnetic moments and magnetic anisotropy energy (MAE) have been calculated for both bulk and clusters, and the enhanced magnetic moment as well as the enlarged MAE have been identified in clusters. The most attractive achievement is that Mn{sub 5}Ge{sub 3} clusters show a fine half-metallic character with large energy scales. The present results may have important implications for potential applications of small Mn{sub 5}Ge{sub 3} clusters as both emerging spintronics and next-generation data-storage technologies.

Yuan, H. K.; Chen, H., E-mail: chenh@swu.edu.cn; Kuang, A. L.; Tian, C. L.; Wang, J. Z. [School of Physical Science and Technology, Southwest University, Chongqing 400715 (China)] [School of Physical Science and Technology, Southwest University, Chongqing 400715 (China)

2013-11-28T23:59:59.000Z

470

Environmental Assessment for Proposed Access Control and Traffic Improvements at Los Alamos National Laboratory, Los Alamos, New Mexico  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

29 29 Environmental Assessment for Proposed Access Control and Traffic Improvements at Los Alamos National Laboratory, Los Alamos, New Mexico August 23, 2002 Department of Energy National Nuclear Security Administration Los Alamos Site Office Environmental Assessment for Proposed Access Control and Traffic Improvements at LANL DOE LASO August 23, 2002 iii Contents ACRONYMS AND TERMS ......................................................................................................... VI EXECUTIVE SUMMARY......................................................................................................... VIII 1.0 PURPOSE AND NEED ............................................................................................................

471

Neutron and X-ray diffraction studies on the high temperature phase of Mn{sub 3}(VO{sub 4}){sub 2}, the new isostructural compound NaMn{sub 4}(VO{sub 4}){sub 3} and their mixed crystals Na{sub x}Mn{sub 4.5-x/2}(VO{sub 4}){sub 3} (0{<=}x{<=}1)  

SciTech Connect

This paper presents a detailed structure analysis (combined Rietveld analysis of X-ray and neutron powder diffraction data as well as quantum mechanical calculations) of the high temperature phase of Mn{sub 3}(VO{sub 4}){sub 2} (space group I4 Macron 2d). Special attention is directed to the analysis of the local coordination around Mn{sup 2+} ions or vacancies within a stella quadrangula configuration of anions. Furthermore, the new compound NaMn{sub 4}(VO{sub 4}){sub 3} is described as well as a range of mixed crystals between NaMn{sub 4}(VO{sub 4}){sub 3} and Mn{sub 3}(VO{sub 4}){sub 2} (described by the formula Na{sub x}Mn{sub 4.5-x/2}(VO{sub 4}){sub 3}, 0{<=}x{<=}1) which were synthesized by a solid state route. All compounds were shown to be isostructural to the high temperature phase Mn{sub 3}(VO{sub 4}){sub 2}. - Graphical abstract: The crystal structure of the new compound NaMn{sub 4}(VO{sub 4}){sub 3}. Highlights: Black-Right-Pointing-Pointer We present neutron and X-ray diffraction studies on high temperature-Mn{sub 3}(VO{sub 4}){sub 2}. Black-Right-Pointing-Pointer Structural details of partly filled stellae quadrangulae positions are discussed. Black-Right-Pointing-Pointer Refined structural parameters and theoretical calculations are compared. Black-Right-Pointing-Pointer We investigate the mixed crystal system Mn{sub 3}(VO{sub 4}){sub 2}-NaMn{sub 4}(VO{sub 4}){sub 3}.

Clemens, Oliver [Universitaet des Saarlandes, Institut fuer Anorganische und Analytische Chemie und Radiochemie, Am Markt, Zeile 5, 66125 Saarbruecken (Germany)] [Universitaet des Saarlandes, Institut fuer Anorganische und Analytische Chemie und Radiochemie, Am Markt, Zeile 5, 66125 Saarbruecken (Germany); Haberkorn, Robert [Universitaet des Saarlandes, Anorganische Festkoerperchemie, Am Markt, Zeile 3, 66125 Saarbruecken (Germany)] [Universitaet des Saarlandes, Anorganische Festkoerperchemie, Am Markt, Zeile 3, 66125 Saarbruecken (Germany); Springborg, Michael [Universitaet des Saarlandes, Physikalische und Theoretische Chemie, Campus B2 2, 66123 Saarbruecken (Germany)] [Universitaet des Saarlandes, Physikalische und Theoretische Chemie, Campus B2 2, 66123 Saarbruecken (Germany); Beck, Horst Philipp, E-mail: hp.beck@mx.uni-saarland.de [Universitaet des Saarlandes, Institut fuer Anorganische und Analytische Chemie und Radiochemie, Am Markt, Zeile 5, 66125 Saarbruecken (Germany)

2012-10-15T23:59:59.000Z

472

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

SciTech Connect

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 11 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.

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

2014-10-23T23:59:59.000Z

473

Aplicacin de los Tissue Microarrays en el estudio inmunohistoqumico de los tumores  

Science Journals Connector (OSTI)

Resumen Los tissue microarrays (TMAs) hacen posible agrupar ms de 1.000 tumores en una sola laminilla, y ser utilizados para el anlisis de numerosos marcadores de inters diagnstico, pronstico o de ayuda en la decisin teraputica y seleccin de estudios moleculares. As hace posible la deteccin y estudio de DNA y RNA (por hibridacin in situ o FISH) y protenas (inmunohistoqumica). El objetivo de este estudio fue comprobar la representatividad de los \\{TMAs\\} en el estudio morfolgico de diferentes tumores y valorar los \\{TMAs\\} como herramienta para el estudio inmunohistoqumico. Los TMA se realizaron en adenocarcinomas de pulmn, adenocarcinomas de colon, carcinomas escamosos y oat-cell pulmonares, en el Hospital Universitario Central de Asturias. Pudimos comprobar que los \\{TMAs\\} con tres cilindros por cada caso, son representativos del tumor, tanto cuantitativamente como cualitativamente. La utilizacin de esta tcnica tiene grandes ventajas que hacen posible efectuar un estudio en un tiempo escaso. Ello se halla motivado por una rpida velocidad en el procesamiento de las muestras, la posibilidad de anlisis simultneo y estandarizado de mltiples muestras y la existencia de un rea de tamao suficiente para analizar. Summary Tissue microarrays (TMAs) allow the congregation of more than 1000 tumors in a single microscope slide. It can be used for diagnostic and/or prognostic biomarker analysis that permits the evaluation of therapeutic strategies or selection of molecular studies. The \\{TMAs\\} allow the detection of DNA and RNA by fluorescent in situ hybridization and protein detection by immunohistochemistry. The purpose of this study was to evaluate the ability of \\{TMAs\\} to differentiate tumors in morphologic studies and to assess the potential of the \\{TMAs\\} as a tool for immunohistochemistry. The \\{TMAs\\} were performed in lung adenocarcinoma, colon adenocarcinoma, squamous carcinomas and lung oat-cell carcinoma. The study was carry out on the Hospital Universitario Central de Asturias in Spain. We found that 3 cylinder cuts of each sample provided a quantitative and qualitative representation of each tumor. The quick processing time of the samples, the ability to analyze multiple samples at the same time, and wide area for analysis are the advantages of this technique. In conclusion the \\{TMAs\\} is a promising tool for investigation that will help in getting results in a shorter period of time.

Juliana Escobar Stein; Aurora Astudillo Gonzlez; Primitiva Menndez Rodrguez; Elena Belyakova

2006-01-01T23:59:59.000Z

474

Manhattan Project: Basic Research at Los Alamos, 1943-1944  

Office of Scientific and Technical Information (OSTI)

Norris Bradbury, Robert Oppenheimer, Richard Feynman, Enrico Fermi, and others, Los Alamos, 1946 BASIC RESEARCH AT LOS ALAMOS Norris Bradbury, Robert Oppenheimer, Richard Feynman, Enrico Fermi, and others, Los Alamos, 1946 BASIC RESEARCH AT LOS ALAMOS (Los Alamos: Laboratory, 1943-1944) Events > Bringing It All Together, 1942-1945 Establishing Los Alamos, 1942-1943 Early Bomb Design, 1943-1944 Basic Research at Los Alamos, 1943-1944 Implosion Becomes a Necessity, 1944 Oak Ridge and Hanford Come Through, 1944-1945 Final Bomb Design, 1944-1945 Atomic Rivals and the ALSOS Mission, 1938-1945 Espionage and the Manhattan Project, 1940-1945 Enrico Fermi The first few months at Los Alamos were occupied with briefings on nuclear physics for the technical staff and with planning research priorities and organizing the laboratory. Leslie Groves called once again on Warren Lewis to head a committee, this time to evaluate the Los Alamos program. The committee's recommendations resulted in the coordinated effort envisioned by those who advocated a unified laboratory for bomb research. Enrico Fermi (left) took control of critical mass experiments and standardization of measurement Hans Bethe techniques. Plutonium purification work, begun at the Met Lab, became high priority at Los Alamos, and increased attention was paid to metallurgy. The committee also recommended that an engineering division be organized to collaborate with physicists on bomb design and fabrication. The laboratory was thus organized into four divisions: theoretical (Hans A. Bethe, right); experimental physics (Robert F. Bacher); chemistry and metallurgy (Joseph W. Kennedy); and ordnance (Navy Captain William S. "Deke" Parsons). Like other Manhattan Project installations, Los Alamos soon began to expand beyond initial expectations.

475

Oxygen Atom Transfer and Oxidative Water Incorporation in Cuboidal Mn3MOn Complexes Based on Synthetic, Isotopic Labeling,  

E-Print Network (OSTI)

is performed by the oxygen-evolving center (OEC) of photo- system II (PSII).2 The OEC consists of a Mn4Ca, United States *S Supporting Information ABSTRACT: The oxygen-evolving complex (OEC) of photo- system IIOxygen Atom Transfer and Oxidative Water Incorporation in Cuboidal Mn3MOn Complexes Based

Goddard III, William A.

476

Modulation of atomic positions in CaCuxMn7-xO12 (x 0.1)  

Science Journals Connector (OSTI)

It is shown that there is a close relationship between the modulation of the atomic positions and the modulation of the magnetic moments of Mn ions in CaCuxMn7-xO12 compounds for x = 0 and x = 0.1 at low temperatures.

Slawinski, W.

2009-08-28T23:59:59.000Z

477

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

E-Print Network (OSTI)

Ultrathin Spinel LiMn2O4 Nanowires as High Power Cathode Materials for Li-Ion Batteries Hyun materials as cathode in lithium ion batteries because of its intrinsic low-cost, environmental friendliness that enhances the contact between active material grains and electrolyte. In particular, LiMn2O4 nanorods

Cui, Yi

478

Zn Sorption Mechanisms onto Sheathed Leptothrix Discophora and the Impact of the Nanoparticulate Biogenic Mn Oxide Coating  

SciTech Connect

Zinc sorption on sheathed Leptothrix discophora bacterium, the isolated extracellular polymeric substances (EPS) sheath, and Mn oxide-coated bacteria was investigated with macroscopic and spectroscopic techniques. Complexation with L. discophora was dominated by the outer membrane phosphoryl groups of the phospholipid bilayer while sorption to isolated EPS was dominated by carboxyl groups. Precipitation of nanoparticulate Mn oxide coatings on the cell surface increased site capacity by over twenty times with significant increase in metal sorption. XAS analysis of Zn sorption in the coated system showed Mn oxide phase contributions of 18 to 43% through mononuclear inner-sphere complexes. The coordination environments in coprecipitation samples were identical to those of sorption samples, indicating that, even in coprecipitation, Zn is not incorporated into the Mn oxide structure. Rather, through enzymatic oxidation by L. discophora, Mn(II) is oxidized and precipitated onto the biofilm providing a large surface for metal sequestration. The nanoparticulate Mn oxide coating exhibited significant microporosity (75%) suggesting contributions from intraparticle diffusion. Transient studies conducted over 7 months revealed a 170% increase in Zn loading. However, the intraparticle diffusivity of 10{sup -19} cm{sup 2} s{sup -1} is two orders of magnitude smaller than that for abiotic Mn oxide which we attribute to morphological changes such as reduced pore sizes in the nanoparticulate oxide. Our results demonstrate that the cell-bound Mn oxide particles can sorb significant amounts of Zn over long periods of time representing an important surface for sequestration of metal contaminants.

Boonfueng, T.; Axe, L; Yee, N; Hahn, D; Ndiba, P

2009-01-01T23:59:59.000Z

479

Impedance behavior of the LiMn2O4/LiPF6-DMC-EC interface during cycling  

SciTech Connect

Room temperature impedance measurements of the LiMn2O4/LiPF6-EC-DMC interface have been used to identify a previously unreported step in the formation of the SEI layer on this cathode. The low frequency impedance and potential of pure dense LiMn2O4 films was found to depend logarithmically on time in the end-of-discharge (EOD) state. The rate of the impedance rise decreased with Mn3+ content. The increased impedance was removed by oxidation of the film to 4.5 V vs. Li/Li+. The observations are consistent with a reversible disproportionation of part of the LiMn2O4 into Li2Mn2O4 and l-Mn2O4. Analyses of cyclic voltammograms and impedance spectra at intervals during constant current cycling of the LiMn2O4 films suggest that Li2Mn2O4 on the surface also plays a major role in the capacity fade.

Striebel, Kathryn A.; Sakai, Eiji; Cairns, Elton J.

2000-12-19T23:59:59.000Z

480

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

E-Print Network (OSTI)

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-cost, and environ- mentally friendly anode for lithium ion batteries. Our growth-on- graphene approach should offer

Cui, Yi

Note: This page contains sample records for the topic "mn 1973-1976 los" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

The influence of aluminium content to the stacking fault energy in Fe-Mn-Al-C alloy system  

Science Journals Connector (OSTI)

Four Fe-30Mn-0.9C-XAl alloys are employed to investigate the influence of aluminium content to the stacking fault energy in Fe-Mn-Al-C alloy system. The range of aluminium content is zero to 8.47 wt%. ... on the ...

W. S. Yang; C. M. Wan

1990-03-01T23:59:59.000Z

482

Prospects for high temperature ferromagnetism in (Ga,Mn)As semiconductors  

E-Print Network (OSTI)

by the energy cost of flipping one MnGa moment, which can be calculated for a given chemical composition.50 This effec- tive field Hef f corresponds to HMF in the semi- phenomenological kinetic-exchange model used in the previ- ous section, i.e., k... by the energy cost of flipping one MnGa moment, which can be calculated for a given chemical composition.50 This effec- tive field Hef f corresponds to HMF in the semi- phenomenological kinetic-exchange model used in the previ- ous section, i.e., k...

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

483

Functionalization of Biomass Carbonaceous Aerogels: Selective Preparation of MnO2@CA Composites for Supercapacitors  

Science Journals Connector (OSTI)

In this work, we present a facile and scalable method to synthesize MnO2 loaded carbonaceous aerogel (MnO2@CA) composites via the hydrothermal carbonaceous (HTC) process. ... Carbon-based materials have received the most attention for their remarkable and unusual physicochemical properties, motivated by their potential importance in separation science, heterogeneous catalyst supports, and water purification filters, and as well as the developing areas of energy generation and storage. ... The obtained samples were filtered, washed several times with deionized water and dehydrated alcohol to remove impurities and excess ions, and then dried in air at 60 C for 24 h. ...

Yumei Ren; Qun Xu; Jianmin Zhang; Hongxia Yang; Bo Wang; Daoyuan Yang; Junhua Hu; Zhimin Liu

2014-06-02T23:59:59.000Z

484

Ferromagnetic transition temperature enhancement in (Ga,Mn)As semiconductors by carbon codoping  

E-Print Network (OSTI)

by a recent experimental observation of a marked enhancement of the Curie temperature in Mn-implanted GaAs:C samples compared to the Mn-implanted undoped GaAs layers.11 We focus on two key issues related to high-density carbon dop- ing. ~i.... Jungwirth,1,2 J. Mas?ek,3 Jairo 1Institute of Physics ASCR, Cukrovarnick 2University of Texas at Austin, Physics Department, 1 U 3Institute of Physics ASCR, Na Slovanc 4Department of Physics, Texas A&M Universit ~Received 23 June 2003; revised...

Jungwirth, T.; Masek, J.; Sinova, Jairo; MacDonald, AH.

2003-01-01T23:59:59.000Z

485

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

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.

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

486

Modeling and Characterization of the Magnetocaloric Effect in Ni2MnGa Materials  

SciTech Connect

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.

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

487

A study of magnetic anisotropy energy in CuMn spin glass  

E-Print Network (OSTI)

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...

Allen, Christine Adele

2012-06-07T23:59:59.000Z

488

Ferromagnetism of GaMnAs studied by polarized neutron reflectometry  

Science Journals Connector (OSTI)

Polarized neutron reflectometry has been used to investigate details of spin ordering in ferromagnetic (FM) GaMnAs/GaAs superlattices. The reflectivity spectra measured below the Curie temperature reveal additional magnetic contributions to the structural superlattice Bragg peaks, clearly indicating the existence of FM interlayer correlations. Closer investigation of the magnetic reflectivity maxima using a full polarization analysis provides direct evidence that the FM order in the GaMnAs layers is truly long range. Moreover, as shown by the data, the system exhibits a strong tendency of forming a single-domain FM arrangement, even when cooled through TC in zero external field.

H. K?pa; J. Kutner-Pielaszek; A. Twardowski; C. F. Majkrzak; J. Sadowski; T. Story; T. M. Giebultowicz

2001-09-05T23:59:59.000Z

489

The Los Alamos Critical Experiments Facility Program  

SciTech Connect

Critical assemblies of precisely known materials and reproducible and easily calculated geometries have been constructed at the Los Alamos National Laboratory since the 1940s. Initially, these assemblies were built to provide information necessary for the nuclear weapons development effort. Subsequently, intensive studies of the assemblies themselves were undertaken to provide a better understanding of the physics of the fission process and other nuclear reactions in the nuclear materials from which these machine were constructed and in other materials irradiated in these assemblies. Some of these assemblies (notably Jezebel, Flattop, Big Ten, and Godiva) have been used as benchmark assemblies to compare the results of experimental measurements and computations of certain nuclear reaction parameters. These comparisons are used to validate both the input nuclear data and the computational methods. In addition to these normally fueled benchmark assemblies, other assembly machines are fueled periodically to provide specific and detailed results for parameter sensitivity studies for a large number of applications. Some of these machines and their applications are described.

Dowdy, E.J.

1987-01-01T23:59:59.000Z

490

Historic Manhattan Project Sites at Los Alamos  

ScienceCinema (OSTI)

The Manhattan Project laboratory constructed at Los Alamos, New Mexico, beginning in 1943, was intended from the start to be temporary and to go up with amazing speed. Because most of those WWII-era facilities were built with minimal materials and so quickly, much of the original infrastructure was torn down in the late '40s and early '50s and replaced by more permanent facilities. However, a few key facilities remained, and are being preserved and maintained for historic significance. Four such sites are visited briefly in this video, taking viewers to V-Site, the buildings where the first nuclear explosive device was pre-assembled in preparation for the Trinity Test in Southern New Mexico. Included is another WWII area, Gun Site. So named because it was the area where scientists and engineers tested the so-called "gun method" of assembling nuclear materials -- the fundamental design of the Little Boy weapon that was eventually dropped on Hiroshima. The video also goes to Pajarito Site, home of the "Slotin Building" and "Pond Cabin." The Slotin Building is the place where scientist Louis Slotin conducted a criticality experiment that went awry in early 1946, leading to his unfortunate death, and the Pond Cabin served the team of eminent scientist Emilio Segre who did early chemistry work on plutonium that ultimately led to the Fat Man weapon.

McGehee, Ellen

2014-05-22T23:59:59.000Z

491

Small-angle neutron scattering analysis of MnC clusters in high-manganese 18Mn0.6C steel  

Science Journals Connector (OSTI)

Abstract Nanometer-scale particles (MnC clusters) were analyzed quantitatively using small-angle neutron scattering in 18Mn0.6C (wt.%) austenite high-manganese steel. The size, number, and volume fraction of the particles were determined as a function of strain (0, 5, 15, 30, 45, 50%) at different temperatures (25 and 100C). The diameter of the cluster ranges from 2 to 14nm in the matrix. The total volume fraction of the cluster significantly increases from 2.7נ10?6 to 8.7נ10?6 as the strain increases. Such clustering phenomenon is correlated to the serration behavior under loading in high-manganese steels.

Mihyun Kang; Eunjoo Shin; Wanchuck Woo; Young-Kook Lee

2014-01-01T23:59:59.000Z

492

Evolution of the composition and structure of cleaved and heat-treated icosahedral Al-Pd-Mn quasicrystal surfaces  

Science Journals Connector (OSTI)

We investigated the changes in composition and structure induced by heat treatment of cleaved fivefold icosahedral Al-Pd-Mn quasicrystal surfaces by scanning electron microscopy and calibrated Auger electron spectroscopy. With increasing temperature we observed five different composition ranges of the surface coupled with distinct changes in the surface morphology. The changes in composition can be explained by successive evaporation and diffusion processes occurring with increasing temperatures. First, Mn evaporates from the uppermost surface layer, then Al evaporation starts and induces a further Mn evaporation leading to an enrichment in Pd. The enrichment is reduced by Mn diffusion from the bulk, Al diffusion from the bulk, and probably simultaneously occurring Pd desorption. Finally, a recrystallization of the surface is induced by the full diffusive mobility of all elements and preferential evaporation of Mn and to a lesser degree of Al. We also discuss the signature of the bonding configuration of Al in the Auger spectra of all investigated compositions.

Ph. Ebert, F. Kluge, B. Grushko, and K. Urban

1999-07-01T23:59:59.000Z

493

Why Los Alamos? Quality of life makes town "Best Of"  

E-Print Network (OSTI)

- 1 - Why Los Alamos? Quality of life makes town "Best Of" April 3, 2012 Real secrets related to Los Alamos have as much to do with quality of life as prosperity and stability Recognized by Forbes, engineers, technicians, and professionals. Unemployment in town is less than 3%, about half the statewide

494

Los Angeles Museum of History, Science and Art/  

E-Print Network (OSTI)

Public Works of Art Project/ Works Progress Administration LouisaEtcheverryKing University of California2 3 #12;16 17 Los Angeles Museum of History, Science and Art/ Los Angeles County Museum of Art Guild University of Southern California CoritaKent MitchellBobrick AllanAdler Architectural

495

Electrical Engineering Department Los Angeles, California 90095-1594  

E-Print Network (OSTI)

Engineering Department Los Angeles, California 90095-1594 UNIVERSITY OF CALIFORNIA · LOS ANGELES Low to dissociate the input gas into atoms. Second, the etch rate is greatly enhanced by ion bombardment, which of the plasma sheath straightens the orbits of the bombarding ions so that the etching is anisotropic, allowing

Chen, Francis F.

496

Los Alamos Drills to Record-breaking Depths  

Energy.gov (U.S. Department of Energy (DOE))

LOS ALAMOS, N.M. The EM-supported Environmental Programs at Los Alamos National Laboratory is pushing the limits of drilling technology with the use of a sonic drill rig to drill coreholes more than 1,100 feet deep in support of a chromium remediation project.

497

Independent Oversight Review, Los Alamos National Laboratory - December  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Review, Los Alamos National Laboratory - Review, Los Alamos National Laboratory - December 2011 Independent Oversight Review, Los Alamos National Laboratory - December 2011 December 2011 Review of the Independent Integrated Safety Management/Integrated Work Management Assessment of Research and Development and Programmatic Work at the Los Alamos National Laboratory The purpose of this Independent Oversight review by the Office of Health, Safety and Security's (HSS) Office of Safety and Emergency Management Evaluations (Independent Oversight) was (through shadowing1) to determine the depth, breath, and rigor of the Los Alamos National Laboratory (LANL) independent integrated safety management/integrated work management (ISM/IWM) assessment activities at the LANL Plutonium Facility at Technical Area (TA)-55 conducted July 18 through August 19, 2011, and to maintain

498

Site Programs & Cooperative Agreements: Los Alamos and National Laboratory  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos and National Los Alamos and National Laboratory Site Programs & Cooperative Agreements: Los Alamos and National Laboratory Los Alamos and National Laboratory (LANL) The Los Alamos Pueblos Project (LAPP), comprised of four New Mexico pueblo governments (Santa Clara Pueblo, Pueblo of Cochiti, Pueblo of Jemez, and Pueblo de San Ildefonso), has individual cooperative agreements to develop and maintain environmental monitoring programs. The LAPP is funded by both EM and National Nuclear Security Administration/Defense Programs (NNSA). Funds provided vary from one Pueblo to another. In addition, EM funds the Santa Fe Indian School to work with the LAPP pueblos. Provisions of the agreements allow LAPP tribal program personnel to obtain the necessary training to monitor and sample soil, air, groundwater, and

499

CRAD, Emergency Management - Los Alamos National Laboratory Waste  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Emergency Management - Los Alamos National Laboratory Waste Emergency Management - Los Alamos National Laboratory Waste Characterization, Reduction, and Repackaging Facility CRAD, Emergency Management - Los Alamos National Laboratory Waste Characterization, Reduction, and Repackaging Facility A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) used for an assessment of the Emergency Management Program portion of an Operational Readiness Review at the Los Alamos National Laboratory Waste Characterization, Reduction, and Repackaging Facility. CRADs provide a recommended approach and the types of information to gather to assess elements of a DOE contractor's programs. CRAD, Emergency Management - Los Alamos National Laboratory Waste

500

Los Alamos National Laboratory Accelerates Transuranic Waste Shipments:  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Los Alamos National Laboratory Accelerates Transuranic Waste Los Alamos National Laboratory Accelerates Transuranic Waste Shipments: Spurred by a major wildfire in 2011, Los Alamos National Laboratory's TRU Waste Program accelerates shipments of transuranic waste stored aboveground to the Waste Isolation Pilot Plan Los Alamos National Laboratory Accelerates Transuranic Waste Shipments: Spurred by a major wildfire in 2011, Los Alamos National Laboratory's TRU Waste Program accelerates shipments of transuranic waste stored aboveground to the Waste Isolation Pilot Plan July 2, 2012 - 12:00pm Addthis New Mexico Governor Susana Martinez greets Terry Aguilar, governor of San Ildefonso Pueblo, while Frank Marcinowski (lower right), EM deputy assistant secretary of waste management, and Dan Cox, LANL associate deputy director for environmental affairs, look on.