National Library of Energy BETA

Sample records for falls mn noyes

  1. Noyes, MN Natural Gas Exports to Canada

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet)DecadeYear Jan Feb MarthroughFeet)Feet) YearThousand81 1318 45Notes

  2. Noyes, MN Natural Gas Exports to Canada

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet)DecadeYear Jan Feb MarthroughFeet)Feet) YearThousand81 1318 45Notes0 0

  3. MN 535 Green Manufacturing Fall'04: M-W noon-2PM

    E-Print Network [OSTI]

    Lin, Xi

    of the Manufacturing Process that aims to efficiently use energy, water and raw materials in order to minimize airMN 535 Green Manufacturing Fall'04: M-W noon-2PM Course Objective Provides a systems view and water pollution and generation of solid waste per unit of the manufactured product Class Discussion

  4. MN-583 Product Management Fall 2004 SYLLABUS Instructor: William Hauser wmhauser@bu.edu

    E-Print Network [OSTI]

    Lin, Xi

    MN-583 Product Management Fall 2004 SYLLABUS Instructor: William Hauser wmhauser@bu.edu Office: Room 219, 730 Commonwealth Avenue Classroom: 15 St. Mary's Street, Room 105 617-358-0663 http Nature of the Product Management Task Case: The Hewlett Packard Company, The Sally Project 3 Wed, 15-Sep

  5. Introduction In 1975, Noy-Meir presented a comprehensive, graph-

    E-Print Network [OSTI]

    Schwinning, Susan - Department of Biology, Texas State University

    in space and continuous in time (Noy-Meir 1975). His analysis demonstrated that a continuously grazed et al. 1994). Domestic rumi- nants remove a relatively fixed proportion (some 40­70%) of standing defoliations. As has long been recognized, `continuous' grazing is not a continuous process, but involves

  6. Fall

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would like submitKansasCommunitiesofExtransScientific User FacilityInnovation15! ! Fall Meeting

  7. Noyes, MN Natural Gas Pipeline Exports to Canada (Million Cubic Feet)

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet)DecadeYear Jan Feb MarthroughFeet)Feet) YearThousand81 1318

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

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet)DecadeYear Jan Feb MarthroughFeet)Feet) YearThousand81 1318CubicCubicYear

  9. Noyes, MN Natural Gas Pipeline Exports to Canada (Dollars per Thousand

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home PageMonthly","10/2015"4,"Ames5 Tables July 1996 Energy Information Administration Office of Coal, Nuclear,DecadeYear Jan FebElements)Feet) Decade8 45 30Cubic

  10. Noyes, MN Natural Gas Pipeline Exports to Canada (Dollars per Thousand

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home PageMonthly","10/2015"4,"Ames5 Tables July 1996 Energy Information Administration Office of Coal, Nuclear,DecadeYear Jan FebElements)Feet) Decade8 45 30CubicCubic

  11. Noyes, MN Natural Gas Pipeline Exports to Canada (Million Cubic Feet)

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home PageMonthly","10/2015"4,"Ames5 Tables July 1996 Energy Information Administration Office of Coal, Nuclear,DecadeYear Jan FebElements)Feet) Decade8 45

  12. Noyes, MN Natural Gas Pipeline Exports to Canada (Million Cubic Feet)

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home PageMonthly","10/2015"4,"Ames5 Tables July 1996 Energy Information Administration Office of Coal, Nuclear,DecadeYear Jan FebElements)Feet) Decade8 45Year Jan Feb

  13. Noyes, MN Natural Gas Pipeline Imports From Canada (Dollars per Thousand

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home PageMonthly","10/2015"4,"Ames5 Tables July 1996 Energy Information Administration Office of Coal, Nuclear,DecadeYear Jan FebElements)Feet) Decade8 45Year Jan

  14. Noyes, MN Natural Gas Pipeline Imports From Canada (Dollars per Thousand

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home PageMonthly","10/2015"4,"Ames5 Tables July 1996 Energy Information Administration Office of Coal, Nuclear,DecadeYear Jan FebElements)Feet) Decade8 45Year JanCubic

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

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home PageMonthly","10/2015"4,"Ames5 Tables July 1996 Energy Information Administration Office of Coal, Nuclear,DecadeYear Jan FebElements)Feet) Decade8 45Year

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

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home PageMonthly","10/2015"4,"Ames5 Tables July 1996 Energy Information Administration Office of Coal, Nuclear,DecadeYear Jan FebElements)Feet) Decade8 45YearYear Jan

  17. FALL WINTER FALL WINTER

    E-Print Network [OSTI]

    Smy, Tom

    FALL WINTER FIRST YEAR FALL WINTER SECOND YEAR FALL WINTER THIRD YEAR FALL WINTER FOURTH YEAR MATH Elective ELEC 1908 First Year Project SYSC 2002 Data Structures and Algorithms PHYS 2604 Modern Physics I, PHYS 4508, PHYS 4807. PHYS 4007 4th year Physics Lab ECOR 4995 Professional Practice 4th 1.0 credit

  18. Fall 2014 968 293 Fall 2014 164 100 Fall 2013 945 277 Fall 2013 190 115

    E-Print Network [OSTI]

    Mohaghegh, Shahab

    Fall 2013 945 277 Fall 2013 190 115 Fall 2012 957 150 1,107 Fall 2012 158 41 Fall 2011 1,133 183 Fall 2011 231 53 Fall 2010 1,065 144 Fall 2010 232 28 Fall 2009 1,066 178 Fall 2009 226 65 Fall 2008 1,078 146 Fall 2008 200 32 Fall 2007 1,296 154 Fall 2007 215 38 Fall 2006 1,325 141 Fall 2006 184 28 Fall

  19. St. Anthony Falls Laboratory, College of Science & Engineering, University of Minnesota, Minneapolis, MN 55414, USA Energy-Water-Ecosystems Engineering, Wind and Water Power Technologies, Environmental Sciences Division, Oak Ridge National Laboratory, Oak

    E-Print Network [OSTI]

    Siefert, Chris

    , Minneapolis, MN 55414, USA 2 Energy-Water-Ecosystems Engineering, Wind and Water Power Technologies the assistance of SAFL Engineers Chris Ellis and Jim Mullin with design and instrumentation of the turbine power by Verdant Power and U.S. Department of Energy under Contract DE-AC05-00OR22725. We would like to also thank

  20. Fall Webworm 

    E-Print Network [OSTI]

    Ree, Bill

    2004-10-08

    The fall webworm is a common pest of trees and shrubs. This insect produces unsightly webs, and repeated infestations can damage plants. Control methods are most successful when one understands the pest's life cycle. This publication suggests...

  1. Spin reorientation and Ce-Mn coupling in antiferromagnetic oxypnictide CeMnAsO

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

    Zhang, Qiang; Tian, Wei; Peterson, Spencer G.; Dennis, Kevin W.; Vaknin, David

    2015-02-18

    Structure and magnetic properties of high-quality polycrystlline CeMnAsO, a parent compound of the “1111”-type oxypnictides, have been investigated using neutron powder diffraction and magnetization measurements. We find that CeMnAsO undergoes a C-type antiferromagnetic order with Mn2+(S = 5/2) moments pointing along the c axis below a relatively high Néel temperature of TN = 347(1) K. Below TSR = 35 K, two simultaneous transitions occur where the Mn moments reorient from the c axis to the ab plane preserving the C-type magnetic order, and Ce moments undergo long-range AFM ordering with antiparallel moments pointing in the ab plane. Another transition tomore »a noncollinear magnetic structure occurs below 7 K. The ordered moments of Mn and Ce at 2 K are 3.32(4) ?B and 0.81(4)?B, respectively. We find that CeMnAsO primarily falls into the category of a local-moment antiferromagnetic insulator in which the nearest-neighbor interaction (J1) is dominant with J2 1/2 in the context of J1 – J2 – Jc model. The spin reorientation transition driven by the coupling between Ce and the transition metal seems to be common to Mn, Fe, and Cr ions, but not to Co and Ni ions in the isostructural oxypnictides. As a result, a schematic illustration of magnetic structures in Mn and Ce sublattices in CeMnAsO is presented.« less

  2. Fall 2014 1,067 473 Fall 2014 354 285 Fall 2013 1,144 516 Fall 2013 339 229

    E-Print Network [OSTI]

    Mohaghegh, Shahab

    Term WV Resident Non- Resident Term WV Resident Non- Resident Fall 2014 1,067 473 Fall 2014 354 285 Fall 2013 1,144 516 Fall 2013 339 229 Fall 2012 1,279 502 Fall 2012 433 296 Fall 2011 1,333 467 Fall 2011 435 285 Fall 2010 1,385 451 Fall 2010 462 248 Fall 2009 1,379 431 Fall 2009 460 263 Fall 2008 1

  3. CRAD, NNSA- Maintenance (MN)

    Broader source: Energy.gov [DOE]

    CRAD for Maintenance (MN). Criteria Review and Approach Documents (CRADs) that can be used to conduct a well-organized and thorough assessment of elements of safety and health programs.

  4. AGU Fall Meeting 2014

    Broader source: Energy.gov [DOE]

    The American Geophysical Union's 47th Annual Fall Meeting will showcase groundbreaking research in the geosciences.

  5. ENG MN 583 PRODUCT MANAGEMENT Fall Semester 2004

    E-Print Network [OSTI]

    Lin, Xi

    , Engineering Economy. Computer Usage: Not an objective of this course. ABET category content as estimated of Manufacturing Engineering Goals: Provide students with a contemporary perspective on project management by the faculty member who prepared this course description: Engineering science: 0 credits or 0% Engineering

  6. International Falls, MN Natural Gas Pipeline Imports From Canada (Million

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming963 1.969CentralWellsMillion CubicOctoberper Thousand CubicMay-1524,

  7. International Falls, MN Natural Gas Imports by Pipeline from Canada

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet)DecadeYear Jan Feb Mar Apr MayYearYear JanDecade

  8. International Falls, MN Natural Gas Pipeline Imports From Canada (Dollars

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet)DecadeYear Jan Feb Mar Apr MayYearYear JanDecadeper Thousand Cubic Feet)

  9. Measured lifetimes of metastable levels of Mn X, Mn XI, Mn XII, and Mn XIII ions 

    E-Print Network [OSTI]

    Moehs, D. P.; Church, David A.

    1999-01-01

    An ion storage technique, based on the capture of metastable multiply charged ions from an external ion source into a Kingdon ion trap, has been used to measure the lifetimes of eight metastable levels of Mn ions with 3s(2)3p(k) configurations, k...

  10. NEW COURSE NUMBER: ENG ME 560 MN 560 Precision Machine Design and Instrumentation

    E-Print Network [OSTI]

    Lin, Xi

    : Physics, Designs, and Applications; Jacob Fraden, Springer-Verlag Machinery's Handbook, Industrial PressNEW COURSE NUMBER: ENG ME 560 MN 560 Precision Machine Design and Instrumentation Fall 2006, M,W, 4:00 ­ 6:00 This inter-disciplinary course teaches the student how to design, instrument, and control high

  11. Math PUrview -- Fall 1995

    E-Print Network [OSTI]

    Fall 1995. Department of Mathematics Purdue University 1395 Mathematical Sciences Bldg. West Lafayette, IN 47907-1395. Editor: Sally Goeke. Contributors.

  12. Falls Creek Hydroelectric Project

    SciTech Connect (OSTI)

    Gustavus Electric Company; Richard Levitt; DOE Project Officer - Keith Bennett

    2007-06-12

    This project was for planning and construction of a 700kW hydropower project on the Fall River near Gustavus, Alaska.

  13. Agricultural Sciences Fall 2005 Fall 2006 Fall 2007 Fall 2008 Fall 2009 Fall 2010 Fall 2011 Fall 2012 Fall 2013 Fall 2014 Agricultural Mgmt & Rangeland Resource 13 24 26 20 12 6 2 2

    E-Print Network [OSTI]

    Ullrich, Paul

    ,975 2,110 2,070 2,187 2,300 2,308 2,329 2,389 2,716 3,031 CA&ES Collegewide Fall 2005 Fall 2006 Fall 745 742 661 561 496 432 Individual 5 3 1 Limited Status 1 2 Visitors 1 CA&ES Collegewide Total 772 521 to College of Letters & Scienes - Fine Arts in AY 2005-06 but existing students may elect to finish in CAES

  14. Welcome Fall 2007

    E-Print Network [OSTI]

    Diaz Moore, Keith

    2007-08-15

    Keith Diaz Moore, Chair of the University of Kansas School of Architecture, introduces the new KU Archcast, welcomes students for the fall 2007 semester and announces some accomplishments of faculty and students as well as important dates...

  15. Building to Fall

    E-Print Network [OSTI]

    Spain, Mitchell Ross

    2015-05-31

    Abstract Building to Fall is an exploration of our experiences that establish ideas of balance, risk, and failure, testing theories about the physical and social world in which we exist. Throughout history we have encountered many failures...

  16. NWHA Fall Workshop & Tour

    Broader source: Energy.gov [DOE]

    This year’s Fall Regional Workshop on October 30 will focus on extending the longevity of our legacy hydropower projects through upgrades, refurbishment and life extensions, while meeting needs of...

  17. Synthesis and Electrochemistry of Li3MnO4: Mn in the +5 Oxidation State

    E-Print Network [OSTI]

    Saint, Juliette.A.; Doeff, Marca M.; Reed, John

    2008-01-01

    Synthesis and Electrochemistry of Li 3 MnO 4 : Mn in the +5A study describing the electrochemistry of Li 2 MnO 3 in ainvestigation into the electrochemistry of this system

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

    E-Print Network [OSTI]

    Sheng, Yuewei

    2012-01-01

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

  19. Balance the reaction MnO4 (aq) MnO2(s) + SO4

    E-Print Network [OSTI]

    Peterson, Kirk A.

    Balance the reaction MnO4 Ð (aq) + SO3 2Ð (aq) MnO2(s) + SO4 2Ð (aq) in basic solution Oxidation 2Ð SO4 2Ð (b) 2) These are already balanced in Mn and S 3) Balance O in (a) by adding H2OÕs to the right-hand-side MnO4 Ð MnO2 + 2H2O 4) Balance H by adding H + to the left-hand-side MnO4 Ð + 4H + MnO2

  20. Refinery Outages: Fall 2014

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet)Decade Year-0 Year-1 Year-2Feet)Thousand Cubic Feet)698 1.8732009Fall

  1. Fall 2012 College of engineering

    E-Print Network [OSTI]

    Berdichevsky, Victor

    · Fall · · 2012 · College of engineering Eranda Nikolla Turning greenhouse gases into fuels thatcan statistics.....................................................14 Commencement, Order of the Engineer, POET ................................................................18 Biomedical engineering..............................................................19 Chemical

  2. AWEA Wind Energy Fall Symposium

    Broader source: Energy.gov [DOE]

    The AWEA Wind Energy Fall Symposium gathers wind energy professionals for informal yet productive interactions with industry peers. Jose Zayas, Director, Wind & Water Power Technologies Office,...

  3. Coins falling in water

    E-Print Network [OSTI]

    Heisinger, Luke; Kanso, Eva

    2013-01-01

    When a coin falls in water, its trajectory is one of four types determined by its dimensionless moment of inertia $I^\\ast$ and Reynolds number Re: (A) steady; (B) fluttering; (C) chaotic; or (D) tumbling. The dynamics induced by the interaction of the water with the surface of the coin, however, makes the exact landing site difficult to predict a priori. Here, we describe a carefully designed experiment in which a coin is dropped repeatedly in water, so that we can determine the probability density functions (pdf) associated with the landing positions for each of the four trajectory types, all of which are radially symmetric about the center-drop line. In the case of the steady mode, the pdf is approximately Gaussian distributed, with variances that are small, indicating that the coin is most likely to land at the center, right below the point it is dropped from. For the other falling modes, the center is one of the least likely landing sites. Indeed, the pdf's of the fluttering, chaotic and tumbling modes ar...

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

    SciTech Connect (OSTI)

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

    2009-05-28

    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.

  5. Coins falling in water

    E-Print Network [OSTI]

    Luke Heisinger; Paul K Newton; Eva Kanso

    2013-12-08

    When a coin falls in water, its trajectory is one of four types determined by its dimensionless moment of inertia $I^\\ast$ and Reynolds number Re: (A) steady; (B) fluttering; (C) chaotic; or (D) tumbling. The dynamics induced by the interaction of the water with the surface of the coin, however, makes the exact landing site difficult to predict a priori. Here, we describe a carefully designed experiment in which a coin is dropped repeatedly in water, so that we can determine the probability density functions (pdf) associated with the landing positions for each of the four trajectory types, all of which are radially symmetric about the center-drop line. In the case of the steady mode, the pdf is approximately Gaussian distributed, with variances that are small, indicating that the coin is most likely to land at the center, right below the point it is dropped from. For the other falling modes, the center is one of the least likely landing sites. Indeed, the pdf's of the fluttering, chaotic and tumbling modes are characterized by a "dip" around the center. For the tumbling mode, the pdf is a ring configuration about the center-line, with a ring width that depends on the dimensionless parameters $I^\\ast$ and Re and height from which the coin is dropped. For the chaotic mode, the pdf is generally a broadband distribution spread out radially symmetrically about the center-line. For the steady and fluttering modes, the coin never flips, so the coin lands with the same side up as was dropped. For the chaotic mode, the probability of heads or tails is close to 0.5. In the case of the tumbling mode, the probability of heads or tails based on the height of the drop which determines whether the coin flips an even or odd number of times during descent.

  6. Mn/DOT's Project Peer Review

    E-Print Network [OSTI]

    Minnesota, University of

    issue we share with peers) ·Benchmark Mn/DOT's project management practices ·Initial step in a change decision- making ·Able to manage project change #12;Project Management Opportunities and Challenges ·TheMn/DOT's Project Management Peer Review Creating a Project Management Culture 2010 CTS Research

  7. Idaho_AmericanFallsRockland

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

    Wind Power - Idaho Wind Anemometer Loan Program American FallsRockland Site 106 Latitude: N. 42 deg. 40.682' Longitude: W. 112 deg. 46.325' Elevation: 6579' Anemometer Height: 20...

  8. SpringFall Summ SpringFall Summ SpringFall Summ SpringFall Summ Year #1 Year #2 Year #3 Year #4

    E-Print Network [OSTI]

    Suzuki, Masatsugu

    . (if needed) Events During Defense-Semester ECE PhD Time-LinePost-MS 3rd Week Week N - 7 Week N - 1SpringFall Summ SpringFall Summ SpringFall Summ SpringFall Summ Year #1 Year #2 Year #3 Year #4

  9. Safe Fall: Humanoid robot fall direction change through intelligent stepping and inertia shaping

    E-Print Network [OSTI]

    Yun, Seung-kook

    Although fall is a rare event in the life of a humanoid robot, we must be prepared for it because its consequences are serious. In this paper we present a fall strategy which rapidly modifies the robot's fall direction in ...

  10. SSL Demonstration: Bridge Lighting, Minneapolis, MN

    SciTech Connect (OSTI)

    2014-10-01

    DOE Solid-State Lighting GATEWAY summary brief for Phase II report on the longer-term performance of LED lighting installed in 2008 on the I-35W Bridge in Minneapolis, MN.

  11. High Mn austenitic stainless steel

    DOE Patents [OSTI]

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

    2010-07-13

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

  12. UNIVERSITY LIBRARY Fall Quarter 2013

    E-Print Network [OSTI]

    Ishida, Yuko

    -centricity September 24, 2013 UC Davis University Library Town Hall 7 #12;State of the Library Report: NATIONAL · OpenUC DAVIS UNIVERSITY LIBRARY TOWN HALL Fall Quarter 2013 September 24, 2013 UC Davis University Library Town Hall 1 #12;TOWN HALL Webcast This session is being live Webcast with Adobe Connect Questions

  13. DEAN'S LIST Fall Semester 2012

    E-Print Network [OSTI]

    Wong, Pak Kin

    DEAN'S LIST Fall Semester 2012 Congratulations to these students for earning a 3.5­3.9 grade point Daniel Chacon, Brian M. Chavez, Natalie T. Chen, Hao Chen, Yi Chieh Cohen, Jordan A. Corrales, Tamara G, Jorge Dougless, Austin William Dreier, Robert Duarte, Elisa C. Dunn, Ellen C. Durbin, John R. Dusard

  14. Offered Fall Semester: Biological Physics

    E-Print Network [OSTI]

    Collins, Gary S.

    Offered Fall Semester: Biological Physics Physics 466 / Physics 566 (conjoint) provides a fundamental physical understanding of the operation of cells, biomolecules and molecular machines. MWF 4:10-5:00pm, Webster 11 (3 cr) Instructor: Fred Gittes, Clinical Professor of Physics and Astronomy: gittes

  15. 2006 Fall Meeting Search Results

    E-Print Network [OSTI]

    Zreda, Marek

    (52), Fall Meet. Suppl., Abstract xxxxx-xx Your query was: "T11A-0425" The selected databases contain one samples, modules, and workflows that can be downloaded and used by other users of the iCronus prototype such as geomagnetic field and atmospheric changes. Different scalings relating to atmospheric attenuation, solar

  16. CHEMISTRY 3100 FALL SEMESTER 2005

    E-Print Network [OSTI]

    Simons, Jack

    CHEMISTRY 3100 FALL SEMESTER 2005 TEXT: "Chemistry 3100 Notes," (Parts 1-3 and 4-8) Ernst (required) "Inorganic Chemistry," Housecroft and Sharpe (recommended) CLASS: M W F: 8:05 - 9:25 PM, ROOM 140 JTB RECOMMENDED REFERENCES: *F. Cotton and G. Wilkinson, "Advanced Inorganic Chemistry" *F. Cotton, G. Wilkinson

  17. Local environment of Mn in Mn delta-doped Si layers

    SciTech Connect (OSTI)

    Xiao, Q.F.; Kahwaji, S.; Monchesky, T.L.; Gordon, R.A.; Crozier, E.D.

    2009-11-09

    Dilute magnetic semiconductors combine both magnetic ordering and semiconducting behaviour, leading to potential spintronic applications. Silicon containing dilute Mn impurities is a potential dilute magnetic semiconductor. We have grown Mn delta-doped films by deposition of 0.7 of a monolayer of Mn on Si(001) by molecular beam epitaxy and capping the film with Si. The magnetic properties are likely sensitive to the distribution of Mn on substitutional or interstitial sites and the formation of metallic precipitates. We have used polarization-dependent XAFS to examine the local structure. We compare to a thicker MnSi film grown on Si(111) and also examine the influence of lead on the manganese environment when used as a surfactant in the growth process.

  18. Properties of (Ga,Mn)As codoped with Li

    SciTech Connect (OSTI)

    Miyakozawa, Shohei; Chen, Lin; Matsukura, Fumihiro; Ohno, Hideo

    2014-06-02

    We grow Li codoped (Ga,Mn)As layers with nominal Mn composition up to 0.15 by molecular beam epitaxy. The layers before and after annealing are characterized by x-ray diffraction, transport, magnetization, and ferromagnetic resonance measurements. The codoping with Li reduces the lattice constant and electrical resistivity of (Ga,Mn)As after annealing. We find that (Ga,Mn)As:Li takes similar Curie temperature to that of (Ga,Mn)As, but with pronounced magnetic moments and in-plane magnetic anisotropy, indicating that the Li codoping has nontrivial effects on the magnetic properties of (Ga,Mn)As.

  19. Fall 2013 Composite Data Products - Backup Power

    SciTech Connect (OSTI)

    Kurtz, J.; Sprik, S.; Ainscough, C.; Saur, G.; Post, M.; Peters, M.

    2013-12-01

    This report includes 28 composite data products (CDPs) produced in Fall 2013 for fuel cell backup power systems.

  20. FALL WEBWORM Clifford S. Sadof, Extension Entomologist

    E-Print Network [OSTI]

    Pittendrigh, Barry

    become covered with webs produced by fall webworm caterpillars. These white to tan fuzzy caterpillars, mosthomeownersprefertokeepunsightlywebsofftheirtrees. Large webs of fall webworm on branch buds in the tree Life Cycle Two races of fall webworms on the tips of branches. Caterpillars feed for 6 weeks on leaves while surrounding themselves with webs

  1. BA: Art History Fall--First Year

    E-Print Network [OSTI]

    Gering, Jon C.

    BA: Art History Fall--First Year · ART 127 New Major Seminar · ART 222 Caves to Cathedrals · Liberal Studies Program (LSP) coursework Fall--Second Year · ART 101 Art Studio Foundations I · ART 324 Renaissance Art · Liberal Studies Program (LSP) coursework Fall--Third Year · ART 328 Art of Greece & Rome

  2. Population Analysis, Fall 2005 1 Population Analyses

    E-Print Network [OSTI]

    Clark, William R.

    Population Analysis, Fall 2005 1 Population Analyses EEOB/AEcl 611 Fall Semester 2005 Scheduled's, including MARK, SAS, DISTANCE, and others. We'll often use the "recitation session" to get you started Cooch and Gary White #12;Population Analysis, Fall 2005 2 2001) that can also be downloaded from Evan

  3. Magnetic fields of HgMn stars

    E-Print Network [OSTI]

    Hubrig, S; Ilyin, I; Korhonen, H; Schoeller, M; Savanov, I; Arlt, R; Castelli, F; Curto, G Lo; Briquet, M; Dall, T H

    2012-01-01

    The frequent presence of weak magnetic fields on the surface of spotted late-B stars with HgMn peculiarity in binary systems has been controversial during the two last decades. We re-analyse available spectropolarimetric material by applying the moment technique on spectral lines of inhomogeneously distributed elements separately. Furthermore, we present new determinations of the mean longitudinal magnetic field for the HgMn star HD65949 and the hotter analog of HgMn stars, the PGa star HD19400, using FORS2 installed at the VLT. We also give new measurements of the eclipsing system AR Aur with a primary star of HgMn peculiarity which were obtained with the SOFIN spectropolarimeter installed at the Nordic Optical Telescope. We downloaded from the ESO archive the publically available HARPS spectra for eight HgMn stars and one normal and one superficially normal B-type star obtained in 2010. The application of the moment technique to the HARPS and SOFIN spectra allowed us to study the presence of the longitudina...

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

    E-Print Network [OSTI]

    Feuchtwanger, Jorge

    2006-01-01

    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 ...

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

    E-Print Network [OSTI]

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

    2009-01-01

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

  6. Formation of MnSb during the growth of MnSi layers in the presence of an Sb flux

    E-Print Network [OSTI]

    Pennycook, Steve

    Epitaxial growth of silicide layers on Si substrates has attracted much attention due to their technologicalFormation of MnSb during the growth of MnSi layers in the presence of an Sb flux K. Matsuda, Y have been performed to elucidate the growth mechanism. The MnSi layer was grown by reactive deposition

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

    SciTech Connect (OSTI)

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

    2015-01-01

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

  8. CaMn2Al10: Itinerant Mn magnetism on the verge of magnetic order

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

    Steinke, L.; Simonson, J. W.; Yin, W. -G.; Smith, G. J.; Kistner-Morris, J. J.; Zellman, S.; Puri, A.; Aronson, M. C.

    2015-07-24

    We report the discovery of CaMn2Al10, a metal with strong magnetic anisotropy and moderate electronic correlations. Magnetization measurements find a Curie-Weiss moment of 0.83?B/Mn, significantly reduced from the Hund's rule value, and the magnetic entropy obtained from specific heat measurements is correspondingly small, only ? 9% of Rln2. These results imply that the Mn magnetism is highly itinerant, a conclusion supported by density functional theory calculations that find strong Mn-Al hybridization. Consistent with the layered nature of the crystal structure, the magnetic susceptibility ? is anisotropic below 20 K, with a maximum ratio of ?[010]/?[001] ? 3.5. A strong power-lawmore »divergence ?(T) ~ T–1.2 below 20 K implies incipient ferromagnetic order, an Arrott plot analysis of the magnetization suggests a vanishing low Curie temperature TC ~ 0. Our experiments indicate that CaMn2Al10 is a rare example of a system where the weak and itinerant Mn-based magnetism is poised on the verge of order.« less

  9. A fully relativistic radial fall

    E-Print Network [OSTI]

    Alessandro D. A. M. Spallicci; Patxi Ritter

    2014-07-21

    Radial fall has historically played a momentous role. It is one of the most classical problems, the solutions of which represent the level of understanding of gravitation in a given epoch. A {\\it gedankenexperiment} in a modern frame is given by a small body, like a compact star or a solar mass black hole, captured by a supermassive black hole. The mass of the small body itself and the emission of gravitational radiation cause the departure from the geodesic path due to the back-action, that is the self-force. For radial fall, as any other non-adiabatic motion, the instantaneous identity of the radiated energy and the loss of orbital energy cannot be imposed and provide the perturbed trajectory. In the first part of this letter, we present the effects due to the self-force computed on the geodesic trajectory in the background field. Compared to the latter trajectory, in the Regge-Wheeler, harmonic and all others smoothly related gauges, a far observer concludes that the self-force pushes inward (not outward) the falling body, with a strength proportional to the mass of the small body for a given large mass; further, the same observer notes an higher value of the maximal coordinate velocity, this value being reached earlier on during infall. In the second part of this letter, we implement a self-consistent approach for which the trajectory is iteratively corrected by the self-force, this time computed on osculating geodesics. Finally, we compare the motion driven by the self-force without and with self-consistent orbital evolution. Subtle differences are noticeable, even if self-force effects have hardly the time to accumulate in such a short orbit.

  10. IDENTIFYING ROOF FALL PREDICTORS USING FUZZY CLASSIFICATION

    SciTech Connect (OSTI)

    Bertoncini, C. A.; Hinders, M. K.

    2010-02-22

    Microseismic monitoring involves placing geophones on the rock surfaces of a mine to record seismic activity. Classification of microseismic mine data can be used to predict seismic events in a mine to mitigate mining hazards, such as roof falls, where properly bolting and bracing the roof is often an insufficient method of preventing weak roofs from destabilizing. In this study, six months of recorded acoustic waveforms from microseismic monitoring in a Pennsylvania limestone mine were analyzed using classification techniques to predict roof falls. Fuzzy classification using features selected for computational ease was applied on the mine data. Both large roof fall events could be predicted using a Roof Fall Index (RFI) metric calculated from the results of the fuzzy classification. RFI was successfully used to resolve the two significant roof fall events and predicted both events by at least 15 hours before visual signs of the roof falls were evident.

  11. Test 1 STAT 47201 Fall 2014

    E-Print Network [OSTI]

    Microsoft account

    2015-08-25

    Test 1. STAT 47201. Fall 2014. October 7, 2014. Copyright Jeffrey Beckley 2014. August 25, 2015. 1. You are given: i. Mortality follows the illustrative life table ii.

  12. River Falls Municipal Utilities - Residential Energy Efficiency...

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

    Name Utility Administrator River Falls Municipal Utilities Website http:www.rfmu.orgindex.aspx?nid681 Funding Source Wisconsin Focus on Energy State Wisconsin Program Type...

  13. Review: Prof Slipchenko's class, Fall 2013 Contents

    E-Print Network [OSTI]

    2013-10-10

    REVIEW. Yingwei Wang. October 10, 2013. Review: Prof Slipchenko's class, Fall 2013. Contents. 1 Hartree energy. 2. 2 Many-body system. 2.

  14. 10/12/2004 Comp 120 Fall 2004 1 No class Thursday 14 October (Fall Break!)

    E-Print Network [OSTI]

    Bishop, Gary

    ·1 10/12/2004 Comp 120 Fall 2004 1 October 12 · No class Thursday 14 October (Fall Break!) · GB gone 17 through 20 October · Review for 2nd Exam on Tuesday 19 October · Ask Questions! 10/12/2004 Comp 120 Fall 2004 2 Chapter 1 · Computer Abstractions · Input/Output/Memory/Datapath/Control · Instruction

  15. First & Second Years Third Year (Junior) Forth Year (Senior) Fifth Year Fall Spring Fall

    E-Print Network [OSTI]

    Mountziaris, T. J.

    First & Second Years Third Year (Junior) Forth Year (Senior) Fifth Year Fall1 Spring1 Fall Spring Fall For your Freshman and Sophomore years, students should follow the appropriate flow chart based on your year of graduation. C O O P 63 Credits 16 Credits 16

  16. First & Second Years Third Year (Junior) Forth Year (Senior) Fifth Year Fall Spring Fall

    E-Print Network [OSTI]

    Mountziaris, T. J.

    First & Second Years Third Year (Junior) Forth Year (Senior) Fifth Year Fall1 Spring1 Fall Spring Fall For your Freshman and Sophomore years, students should follow the appropriate flow chart based on your year of graduation. C O O P 63 Credits 16

  17. First & Second Years Third Year (Junior) Forth Year (Senior) Fifth Year Fall Spring Fall

    E-Print Network [OSTI]

    Mountziaris, T. J.

    First & Second Years Third Year (Junior) Forth Year (Senior) Fifth Year Fall1 Spring1 Fall Spring Fall For your Freshman and Sophomore years, students should follow the appropriate flow chart based on your year of graduation. C O O P 66 Credits

  18. First & Second Years Third Year (Junior) Forth Year (Senior) Fifth Year Fall Spring Fall

    E-Print Network [OSTI]

    Mountziaris, T. J.

    First & Second Years Third Year (Junior) Forth Year (Senior) Fifth Year Fall1 Spring1 Fall Spring Fall For your Freshman and Sophomore years, students should follow the appropriate flow chart based on your year of gaduation. C O O P 66 Credits 16 Credits 13

  19. ECONOMIC EMERGENCY PROGRAM International Falls Plant Shutdown

    E-Print Network [OSTI]

    Minnesota, University of

    . announced plans to shut down two of the four paper machines at its International Falls paper millECONOMIC EMERGENCY PROGRAM International Falls Plant Shutdown On Thursday, May 2rd , Boise Inc with University of Minnesota Extension, has prepared this economic emergency report. WHAT IS AN ECONOMIC EMERGENCY

  20. BA: Art History Fall--First Year

    E-Print Network [OSTI]

    Gering, Jon C.

    · ART 3/4xx (Art History) · Elective(s) (advisor approval) and/or LSP coursework Fall--Fourth Year · ART(s) and/or LSP coursework Spring--Fourth Year · ART 437 Senior Thesis II OR ART 3/4xx (Art HistoryBA: Art History Fall--First Year · ART 127 New Major Seminar · ART 222 Caves to Cathedrals

  1. Music BM Performance Fall--First Year

    E-Print Network [OSTI]

    Gering, Jon C.

    Music ­ BM Performance Fall--First Year MUSI 130: Music Analysis I MUSI 132: Aural Skills in Music I MUSI 279: Concert and Recital Atten. MUSI 153: Keyboard Skills I MUSI xxx: Major Instrument) coursework Fall--Second Year MUSI 230: Music Analysis III MUSI 232: Aural Skills in Music III MUSI 339

  2. Riparian Forest Grows Trees fall in

    E-Print Network [OSTI]

    Riparian Forest Grows Trees Die Trees fall in the lake Trees leave the littoral zone "Life" Cycle of Coarse Woody Habitat #12;Riparian Forest Grows What factors drive the species composition and stand factors drive the species composition and stand structure? Trees Die Trees fall in the lake Trees leave

  3. Accident Investigation of the September 20, 2012 Fatal Fall from...

    Energy Savers [EERE]

    20, 2012 Fatal Fall from the Dworshak-Taft 1 Transmission Tower, at the Bonneville Power Marketing Administration Accident Investigation of the September 20, 2012 Fatal Fall...

  4. City of Klamath Falls District Heating District Heating Low Temperatur...

    Open Energy Info (EERE)

    City of Klamath Falls District Heating District Heating Low Temperature Geothermal Facility Jump to: navigation, search Name City of Klamath Falls District Heating District Heating...

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

    SciTech Connect (OSTI)

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

    2013-07-21

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

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

    E-Print Network [OSTI]

    Seo, Dongmin

    2009-05-15

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

  7. Electron tunneling studies of Mn12-Acetate 

    E-Print Network [OSTI]

    Ma, Lianxi

    2008-10-10

    laser deposition (PLD) was used to deposit two monolayers of Mn 12 -Acetate on thin Pt wires (diame- ter 0.001 in). The electron tunneling current was measured with typical bias voltages from -1 to 1 V at liquid helium temperature, 4.2 K. I, dI/dV, and d... 2 I/dV 2 signals were directly acquired with the aid of a current amplifier and two lock-in-amplifiers. Results show that the differential conductance is approximately 10 ?6 S for bias volt- ages 0.04 V ?|V |? 1 V and exhibits a strong voltage...

  8. Spin caloritronics in graphene with Mn

    SciTech Connect (OSTI)

    Torres, Alberto Lima, Matheus P. Fazzio, A.; Silva, Antônio J. R. da

    2014-02-17

    We show that graphene with Mn adatoms trapped at single vacancies features spin-dependent Seebeck effect, thus enabling the use of this material for spin caloritronics. A gate potential can be used to tune its thermoelectric properties in a way it presents either a total spin polarized current, flowing in one given direction, or currents for both spins flowing in opposite directions without net charge transport. Moreover, we show that the thermal magnetoresistance can be tuned between ?100% and +100% by varying a gate potential.

  9. AMST Courses --Fall 2014 Tulsa Based Classes

    E-Print Network [OSTI]

    Veiga, Pedro Manuel Barbosa

    AMST Courses -- Fall 2014 Tulsa Based Classes: Globalization & Am Culture AMST 3253 Gray M 4 in trips to the Philbrook, Philbrook Downtown, and Gilcrease Museums and attend events of the Tulsa

  10. MA-504, Fall 2015, Test 2

    E-Print Network [OSTI]

    2015-10-23

    MA-504, Fall 2015, Test 2. Name: Answers. Problem 1. (a) Using the ?–? definition, prove that f(x)=1/x is continuous on R \\ {0}. (b) Prove that the same function ...

  11. STAT 472 Fall 2014 Test 2

    E-Print Network [OSTI]

    Microsoft account

    2015-08-25

    Copyright Jeffrey Beckley 2014. August 25, 2015. STAT 472. Fall 2014. Test 2. November 11, 2014. 1. (6 points) You are given: i. 2. 0.450 x. A + = ii. 0.04 i = iii.

  12. CNR GRADUATION SURVEY RESULTS Fall, 2001

    E-Print Network [OSTI]

    CNR GRADUATION SURVEY RESULTS Fall, 2001 Received 79 completed surveys out of 126 students who graduated in Dec, 2001 21 (27%) Have fulltime positions (9 temporary and 12 permanent) 3 (4

  13. Fall 2012 Composite Data Products - Backup Power

    SciTech Connect (OSTI)

    Kurtz, J.; Wipke, K.; Sprik, S.; Ramsden, T.; Ainscough, C.; Saur, G.

    2012-10-01

    This presentation from the U.S. Department of Energy's National Renewable Energy Laboratory includes 15 composite data products (CDPs) produced in Fall 2012 for fuel cell backup power systems.

  14. Fall 2012 FUPWG Meeting Welcome: Southern Company

    Broader source: Energy.gov [DOE]

    Presentation—given at the Fall 2012 Federal Utility Partnership Working Group (FUPWG) meeting—covers the Southern Company's retail service territory, financials, customers and sales, power generation, U.S. military projects, and more.

  15. Idaho Falls Power- Residential Weatherization Loan Program

    Office of Energy Efficiency and Renewable Energy (EERE)

    Residential customers with permanently installed electric heat who receive service from the City of Idaho Falls, are eligible for 0% weatherization loans. City Energy Service will conduct an energy...

  16. Chemistry of Organic Electronic Materials 6483-Fall

    E-Print Network [OSTI]

    Sherrill, David

    . Example of a flexible organic light-emitting diode (OLED) (from the Center-inch OLED television coming on the market this fall (from LG) !" + 0-vibration couplings Luminescent materials Basic concepts of light absorption

  17. Quantifying Temperature Effects on Fall Chinook Salmon

    SciTech Connect (OSTI)

    Jager, Yetta

    2011-11-01

    The motivation for this study was to recommend relationships for use in a model of San Joaquin fall Chinook salmon. This report reviews literature pertaining to relationships between water temperature and fall Chinook salmon. The report is organized into three sections that deal with temperature effects on development and timing of freshwater life stages, temperature effects on incubation survival for eggs and alevin, and temperature effects on juvenile survival. Recommendations are made for modeling temperature influences for all three life stages.

  18. Magnetic Moment Enhancement for Mn7 Cluster on Graphene

    SciTech Connect (OSTI)

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

    2014-08-21

    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.

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

    SciTech Connect (OSTI)

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

    2000-04-01

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

  20. Retrofit Savings Determination for Wichita Falls Independent School District 

    E-Print Network [OSTI]

    Shao, X.; Baltazar-Cervantes, J. C.; Claridge, D. E.

    2001-01-01

    Laboratory Wichita Falls ISD Texas A&M University Carrigan Center Energy Systems Laboratory Texas Engineering Experiment station Wichita Falls ISD Texas A&M University College Station. TX Carrigan Center Energy Systems Laboratory Wichita Falls ISO Texas A...&M University Denver Center Energy Systems Laboratory Texas Engineering Experiment Station Wichita Falls ISD Texas A&M University College station. TX Denver Center Energy Systems Laboratory Wichita Falls ISO Texas A&M University Fannin Elementary Energy Systems...

  1. Interior cavern conditions and salt fall potential

    SciTech Connect (OSTI)

    Munson, D.E.; Molecke, M.A. [Sandia National Labs., Albuquerque, NM (United States); Myers, R.E. [Strategic Petroleum Reserve, New Orleans, LA (United States)

    1998-03-01

    A relatively large number of salt caverns are used for fluid hydrocarbon storage, including an extensive set of facilities in the Gulf Coast salt domes for the Strategic Petroleum Reserve (SPR) Program. Attention is focused on the SPR caverns because of available histories that detail events involving loss and damage of the hanging string casing. The total number of events is limited, making the database statistically sparse. The occurrence of the events is not evenly distributed, with some facilities, and some caverns, more susceptible than others. While not all of these events could be attributed to impacts from salt falls, many did show the evidence of such impacts. As a result, a study has been completed to analyze the potential for salt falls in the SPR storage caverns. In this process, it was also possible to deduce some of the cavern interior conditions. Storage caverns are very large systems in which many factors could possibly play a part in casing damage. In this study, all of the potentially important factors such as salt dome geology, operational details, and material characteristics were considered, with all being logically evaluated and most being determined as secondary in nature. As a result of the study, it appears that a principal factor in determining a propensity for casing damage from salt falls is the creep and fracture characteristics of salt in individual caverns. In addition the fracture depends strongly upon the concentration of impurity particles in the salt. Although direct observation of cavern conditions is not possible, the average impurity concentration and the accumulation of salt fall material can be determined. When this is done, there is a reasonable correlation between the propensity for a cavern to show casing damage events and accumulation of salt fall material. The accumulation volumes of salt fall material can be extremely large, indicating that only a few of the salt falls are large enough to cause impact damage.

  2. UCLA BIOCHEMISTRY MAJOR FALL 2011 For students who declare the major Fall 2011 and thereafter

    E-Print Network [OSTI]

    Levine, Alex J.

    UCLA BIOCHEMISTRY MAJOR FALL 2011 For students who declare the major Fall 2011 and thereafter BIOCHEMISTRY MAJOR (B.S.): This major is designed primarily for students who are interested in attending graduate school in Biochemistry or related areas. It also satisfies many of the requirements of pre

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

    E-Print Network [OSTI]

    Zeng, Li

    2010-01-01

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

  4. Study of the beta delayed particle emission from 48Mn and its relevance for explosive nucleosynthesis

    E-Print Network [OSTI]

    Martel, I

    2015-01-01

    Study of the beta delayed particle emission from 48Mn and its relevance for explosive nucleosynthesis

  5. Inverse spin Hall effect in Pt/(Ga,Mn)As

    SciTech Connect (OSTI)

    Nakayama, H.; Chen, L.; Chang, H. W.; Ohno, H.; Matsukura, F.

    2015-06-01

    We investigate dc voltages under ferromagnetic resonance in a Pt/(Ga,Mn)As bilayer structure. A part of the observed dc voltage is shown to originate from the inverse spin Hall effect. The sign of the inverse spin Hall voltage is the same as that in Py/Pt bilayer structure, even though the stacking order of ferromagnetic and nonmagnetic layers is opposite to each other. The spin mixing conductance at the Pt/(Ga,Mn)As interface is determined to be of the order of 10{sup 19?}m{sup ?2}, which is about ten times greater than that of (Ga,Mn)As/p-GaAs.

  6. Electronic interactions between gold films and mn12-acetate 

    E-Print Network [OSTI]

    Means, Joel Lewis

    2009-05-15

    Interactions between Mn12–acetate molecular magnets and thin gold films have been explored in light of the theory of weak localization. Low-temperature measurements of the magnetoresistance of gold films of varying thicknesses, with and without...

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

    SciTech Connect (OSTI)

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

    2009-08-05

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

  8. Senior/Graduate Course-Fall 2005 (Sections A1 & MF) MN550 Product Supply Chain Design

    E-Print Network [OSTI]

    Lin, Xi

    Covered: Lean Manufacturing and Value Stream Mapping Design Practice Requirement: An In-plant Process

  9. NEW COURSE NUMBER: ENG ME 585 ENG. MN 585 Interactive Computation for CAD/CAM Fall 2006

    E-Print Network [OSTI]

    Lin, Xi

    . Networked infrastructure for automation, supported by Rule-Based Decision- Support Systems (PDS/internet technology with CAD/CAM to provide an integrated platform for factory automation. No prior knowledge, and Operation of process-cells and factory automation in particular. It builds on the premises that: a

  10. BS Program in Physics Effective Fall 2013

    E-Print Network [OSTI]

    Richmond, Michael W.

    BS Program in Physics Effective Fall 2013 9/17/2013 CHMG- 141 or BIOL-101 General & Analytical-xxx General Physics Elective (c) 3 PHYS-451 Capstone Project 3 Open elective 3 PHYS-xxx Physics Elective (b) 3 Chemistry I or General Biology I 3 CHMG- 142 or BIOL-102 General & Analytical Chemistry II or General

  11. Enrollment Analysis Final for Fall 2014

    E-Print Network [OSTI]

    Hutcheon, James M.

    Management and Director of Strategic Research and Analysis Project Support: Office of Strategic Research Management and Director of Strategic Research and Analysis o Mr. Paul Wilver, Assistant Director, DecisionEnrollment Analysis Final for Fall 2014 Office of Strategic Research & Analysis November 11, 2014

  12. 7: Network Security Comp 361, Fall 2003

    E-Print Network [OSTI]

    Golin, Mordecai J.

    "securely" Trudy (intruder) may intercept, delete, add messages secure sender secure receiver channel Alice, Alice be? ... well, real-life Bobs and Alices! Web browser/server for electronic transactions (e updates other examples? #12;7: Network Security 6 Comp 361, Fall 2003 There are bad guys (and girls) out

  13. fall & winter 2011 University of Nebraska Press

    E-Print Network [OSTI]

    Farritor, Shane

    fall & winter 2011 University of Nebraska Press #12;Literary Collections 18, 50­51 Literary Backlist 56 Journals 58 Index 62 Ordering Information 64 Support the Press Help the University of Nebraska Press continue its vital program of scholarly and regional book publishing by becoming a Friend

  14. GEOL 205 Syllabus, Fall 2015 Earth Resources

    E-Print Network [OSTI]

    ;GEOL 205 Syllabus, Fall 2015 Energy resources and availability, including fossil fuels (oil, natural gas, coal), nuclear, and renewable energy sources, including environmental impacts of different energy, affluence and technology, change the use and needs for different natural resources and energy. (Carolina

  15. GIS Fundamentals SUR 6934-FALL 2013

    E-Print Network [OSTI]

    Hill, Jeffrey E.

    GIS Fundamentals SUR 6934- FALL 2013 School of Forest Resources and ConservationGulf Coast Research _________________________________________________________________________________ GIS Fundamentals Description: This course introduces geographic information systems to Geomatics practical skills needed in many applications. Students learn basic GIS data modeling and managing concepts

  16. Fall Semester 2014 Registration for MUSIC 291

    E-Print Network [OSTI]

    Aalberts, Daniel P.

    Fall Semester 2014 Registration for MUSIC 291 (Chamber Music Workshop) Students: To register for Chamber Music, you must complete ALL of the fields below, consult the Coordinator of Chamber Music and secure a spot with the appropriate Chamber Music Coach. Once you have all signed the completed form

  17. FINANCE DEPARTMENT Office Hours Fall 2014

    E-Print Network [OSTI]

    Gallo, Linda C.

    FINANCE DEPARTMENT Office Hours Fall 2014 NAME OFFICE HOURS COURSE # COURSE TITLE DAY TIME ROOM-1515 and by appointment FIN 323.8 FIN 323.9 FIN 323.11 FIN 326.1 Fundamentals of Finance Fundamentals of Finance Fundamentals of Finance Financial Institution Mgt TTH TTH TH TTH 0930-1045 1100-1215 1600-1840 1230-1345 GMCS

  18. PSYCHOLOGY, B. A. (Fall 2015-Summer 2016)

    E-Print Network [OSTI]

    Hamburger, Peter

    PSYCHOLOGY, B. A. (Fall 2015-Summer 2016) IPFW Residency Requirements: ____ 32 credits at 200 level credits 300­400 level ____2.0 GPA Degree/Major/Gen Ed ____C- or above in Major/Gen Ed PSYCHOLOGY CORE in major. ______ 3 PSY 12000 Elementary Psychology ______ 3 PSY 14000 Critical Foundations for Psychology

  19. BIOMECHANICS THE UNIVERSITY OF TENNESSEE FALL 2013

    E-Print Network [OSTI]

    Auerbach, Benjamin M.

    1 BIOMECHANICS ANTH 595 THE UNIVERSITY OF TENNESSEE ­ FALL 2013 Instructor: Benjamin M. Auerbach to bblearn.utk.edu for announcements and to access the course readings. Course Description Biomechanics is the study of functional morphology. Broadly, in biomechanical studies, we examine the activities

  20. Electromagnetic Field Theory Fall 2014 Course Outline

    E-Print Network [OSTI]

    Haimovich, Alexander

    ECE 620 Electromagnetic Field Theory Fall 2014 Course Outline Instructor: Dr. Gerald Whitman Text of electromagnetic phenomena that vary sinusoidally in time. Course Learning Outcome: Students will learn fundamental knowledge of ac electromagnetic theory, which is needed for a broad spectrum of electrical engineering

  1. A DELICATE BALANCE ELA 4000, FALL 2005

    E-Print Network [OSTI]

    Brown, Gregory G.

    A DELICATE BALANCE ELA 4000, FALL 2005 MR 11:00 am - 12:15 pm Instructor: Office: Phone: Email-1:45 pm; Thur. 1-3 pm; or by appointment. Course Overview: A Delicate Balance is the capstone course of informing public policy in order to address these pressing environmental concerns. A Delicate Balance

  2. IcelandIc for Fall and Spring

    E-Print Network [OSTI]

    Karlsson, Brynjar

    IcelandIc for foreIgners Fall and Spring SemeSterS #12;I- 103 Icel IcelandIc for fore to introduce the basic structure of icelandic as well as increasing the cultural awareness of the participants or no knowledge of icelandic. Main emphasis will be on the basic grammar structures and vocabulary used in common

  3. Biomedical Engineering Graduate Concentration Fall 2014 Biomechanics

    E-Print Network [OSTI]

    Eustice, Ryan

    Biomedical Engineering Graduate Concentration ­ Fall 2014 Biomechanics Advisor: Scott Hollister, Ph.D. BIOMECHANICS (select one course): BIOMEDE 456 Tissue Mechanics (3) (I) BIOMEDE 476 Biofluid Mechanics (4) (II) GENERAL (both courses are required): BIOMEDE 500 Biomedical Engineering Seminar (1) (I,II) BIOMEDE 550

  4. Biomedical Engineering Graduate Concentration Fall 2014 Biomaterials

    E-Print Network [OSTI]

    Eustice, Ryan

    Biomedical Engineering Graduate Concentration ­ Fall 2014 Biomaterials Advisor: David Kohn, Ph.D. BIOMATERIALS: BIOMEDE 410 Design and Applications of Biomaterials (3) (I) GENERAL (both courses are required): BIOMEDE 500 Biomedical Engineering Seminar (1) (I,II) BIOMEDE 550 Ethics and Enterprise (1) (I) BIOMEDICAL

  5. Biomedical Engineering Graduate Concentration Fall 2014 Bioelectrical

    E-Print Network [OSTI]

    Eustice, Ryan

    Biomedical Engineering Graduate Concentration ­ Fall 2014 Bioelectrical Advisor: Cynthia Chestek, Ph.D. BIOELECTRICAL: BIOMEDE 417 Electrical Biophysics (4) (II) GENERAL (both courses are required): BIOMEDE 500 Biomedical Engineering Seminar (1) (I,II) BIOMEDE 550 Ethics and Enterprise (1) (I) BIOMEDICAL

  6. Biomedical Engineering Graduate Concentration Fall 2014 Biotechnology

    E-Print Network [OSTI]

    Eustice, Ryan

    Biomedical Engineering Graduate Concentration ­ Fall 2014 Biotechnology Advisor: Michael Mayer, Ph.D. BIOTECHNOLOGY (select one course): BIOMEDE 410 Design and Applications of Biomaterials (3) (I) BIOMEDE 556 Cellular and Molecular Biomechanics (3) (I) BIOMEDE 574 Cells in Their Environment (3) (II) BIOMEDE 616

  7. Fall/Winter 2005 CELEBRATING 100 YEARS

    E-Print Network [OSTI]

    Zhou, Chongwu

    Fall/Winter 2005 CELEBRATING 100 YEARS OF ENGINEERING AND ANNOUNCING THE MORK FAMILY DEPARTMENT Mankin PAGE 29 All in the Family John Mork (BSPE '70) and his family leave a lasting legacy by Diane Park Casino Hotel Malcolm R. Currie Retired, Hughes Aircraft Company Kenneth C. Dahlberg, MSEE '69

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

    SciTech Connect (OSTI)

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

    2009-06-03

    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.

  9. Save Energy and be Festive this Fall | Department of Energy

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

    Energy and be Festive this Fall September 18, 2014 - 1:05pm Addthis Fall means cooler weather, changing leaves, and festive decorations, now your decorations can help save energy...

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

    E-Print Network [OSTI]

    Zeng, Li

    2007-01-01

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

  11. Galen Sasaki EE 361 University of Hawaii Fall C functions

    E-Print Network [OSTI]

    Sasaki, Galen H.

    Galen Sasaki EE 361 University of Hawaii Fall 2003 1 Road Map · C functions ­ Computation flow Sasaki EE 361 University of Hawaii Fall 2003 2 EE 361 University of Hawaii Implementation of C functions and MIPS machine language [MIPSb Notes] #12;Galen Sasaki EE 361 University of Hawaii Fall 2003 3 C

  12. BA: Art (Liberal Arts) Fall--First Year

    E-Print Network [OSTI]

    Gering, Jon C.

    BA: Art (Liberal Arts) Fall--First Year ART 127 New Major Seminar ART 101 Art Studio Foundations I Liberal Studies Program (LSP) coursework Fall--Second Year ART 190 Foundations Proficiency Review Major Studio I ART 222, 223, or 224 (Art History) Liberal Studies Program (LSP) coursework Fall

  13. Fall--First Year Liberal Studies Program (LSP)

    E-Print Network [OSTI]

    Gering, Jon C.

    Fall--Fourth Year · SPAN 353 · SPAN 450 · SPAN 460 · SPAN 473 · SPAN 4XX · Class towards minor or area Program (LSP) coursework · Class towards minor or area of interest Spring--Fourth Year · SPAN 362 · SPANSPANISH Fall--First Year · SPAN 101 · Liberal Studies Program (LSP) coursework Fall--Second Year

  14. Communication Disorders: BA/BS Fall--First Year

    E-Print Network [OSTI]

    Gering, Jon C.

    : The Speech Mechanism · CMDS 472: Audiology · Liberal Studies Program (LSP) coursework Fall--Fourth Year Program (LSP) coursework Spring--Fourth Year · CMDS 480: Clinical Practice (if not taken fall--fourth yearCommunication Disorders: BA/BS Fall--First Year · CMDS 200: Intro to Comm. Disorders · CMDS 101

  15. 31 August 2004 Comp120 Fall 2004 1 Email addresses

    E-Print Network [OSTI]

    Bishop, Gary

    1 31 August 2004 Comp120 Fall 2004 1 August 31 · Email addresses · Drop box · Questions? 31 August 2004 Comp120 Fall 2004 2 The Really Big Ideas · Just bits for data and program · Program is a sequence of "variables" (registers) 31 August 2004 Comp120 Fall 2004 3 Just Bits · Program and data have the same

  16. BIOCHEMISTRY (for students entering Biology in Fall 2010 or later)

    E-Print Network [OSTI]

    Jiang, Wen

    BIOCHEMISTRY (for students entering Biology in Fall 2010 or later) Graduation Requirements, Intro. To Evolution & Ecology (2 cr.; fall) 9. One of these four options: (Biochemistry majors must & Measurement in Physical Biochemistry (3 cr.; fall) 13. Two of these courses: A. BIOL 41600 Viruses and Viral

  17. Automatic Fall Detection Based on Doppler Radar Motion Signature

    E-Print Network [OSTI]

    He, Zhihai "Henry"

    than one third of adults 65 and older fall each year in the United States. To address the problem, we above age 65 [2]. The death rate caused by falls among elders is increasing quickly over the past decade classification; SVM; kNN I. INTRODUCTION Falls are the leading causes of accidental death in the US population

  18. Assessment of Arm Motions with Fall Direction in Human Subjects

    E-Print Network [OSTI]

    Krishnan, Bhargavi

    2012-08-31

    Abstract Falls are a common and serious problem among older adults. This study examined the role of the direction of fall on the movement of arms. The specific aims of the study were to characterize the arm motion in response to a fall perturbation...

  19. OkanoganRiver Summer/FallChinookSalmon

    E-Print Network [OSTI]

    . Tribal Harvest Thresholds for Upper Columbia River 99 Summer/Fall Chinook (Early-Arriving Run) Table B.7. Tribal Harvest Thresholds for Upper Columbia River 99 Summer/Fall Chinook (Later-Arriving Run) Table B.8AppendixC OkanoganRiver Summer/FallChinookSalmon HatcheryGeneticManagementPlan #12;HATCHERY

  20. Segregation of Mn2+ Dopants as Interstitials in SrTiO3 Grain Boundaries

    SciTech Connect (OSTI)

    Yang, Hao; Kotula, Paul G.; Sato, Yukio; Chi, Miaofang; Ikuhara, Yuichi; Browning, Nigel D.

    2013-10-03

    Mn doped SrTiO3 shows promising magnetic and electrical properties, but the doping mechanism remains unclear. In this research Mn4+ is found to substitute Ti in bulk SrTiO3, but Mn2+ segregates inside grain boundaries at both Sr and interstitial sites. Mn interstitial doping has never been reported, but is found possible with the formation of Sr vacancies. This finding is significantly different from the amphoteric doping of Mn2+ substituting Sr and Mn4+ substituting Ti sites, therefore leads to different understanding on the defect mediated electrical and magnetic properties of transition metal doped perovskites.

  1. Functional Mn–Mg{sub k} cation complexes in GaN featured by Raman spectroscopy

    SciTech Connect (OSTI)

    Devillers, T. Bonanni, A.; Leite, D. M. G.; Department of Physics, São Paulo State University, Bauru–SP ; Dias da Silva, J. H.

    2013-11-18

    The evolution of the optical branch in the Raman spectra of (Ga,Mn)N:Mg epitaxial layers as a function of the Mn and Mg concentrations, reveals the interplay between the two dopants. We demonstrate that the various Mn-Mg-induced vibrational modes can be understood in the picture of functional Mn–Mg{sub k} complexes formed when substitutional Mn cations are bound to k substitutional Mg through nitrogen atoms, the number of ligands k being driven by the ratio between the Mg and the Mn concentrations.

  2. Spectroscopic variability and magnetic fields of HgMn stars

    E-Print Network [OSTI]

    Hubrig, S; Ilyin, I; Korhonen, H; Savanov, I S; Dall, T; Schoeller, M; Cowley, C R; Briquet, M; Arlt, R

    2011-01-01

    The discovery of exotic abundances, chemical inhomogeneities, and weak magnetic fields on the surface of late B-type primaries in spectroscopic binaries has important implications not only for our understanding of the formation mechanisms of stars with Hg and Mn peculiarities themselves, but also for the general understanding of B-type star formation in binary systems. The origin of the abundance anomalies observed in late B-type stars with HgMn peculiarity is still poorly understood. The connection between HgMn peculiarity and membership in binary and multiple systems is supported by our observations during the last decade. The important result achieved in our studies of a large sample of HgMn stars is the finding that most HgMn stars exhibit spectral variability of various chemical elements, proving that the presence of an inhomogeneous distribution on the surface of these stars is a rather common characteristic and not a rare phenomenon. Further, in the studied systems, we found that all components are che...

  3. The blue supergiant MN18 and its bipolar circumstellar nebula

    E-Print Network [OSTI]

    Gvaramadze, V V; Bestenlehner, J M; Bodensteiner, J; Langer, N; Greiner, J; Grebel, E K; Berdnikov, L N; Beletsky, Y

    2015-01-01

    We report the results of spectrophotometric observations of the massive star MN18 revealed via discovery of a bipolar nebula around it with the Spitzer Space Telescope. Using the optical spectrum obtained with the Southern African Large Telescope, we classify this star as B1 Ia. The evolved status of MN18 is supported by the detection of nitrogen overabundance in the nebula, which implies that it is composed of processed material ejected by the star. We analysed the spectrum of MN18 by using the code CMFGEN, obtaining a stellar effective temperature of \\approx 21 kK. The star is highly reddened, E(B-V)\\approx 2 mag. Adopting an absolute visual magnitude of M_V=-6.8\\pm0.5 (typical of B1 supergiants), MN18 has a luminosity of log L/Lsun \\approx 5.42\\pm0.30, a mass-loss rate of \\approx (2.8-4.5)\\times10^{-7} Msun/yr, and resides at a distance of \\approx 5.6^{+1.5} _{-1.2} kpc. We discuss the origin of the nebula around MN18 and compare it with similar nebulae produced by other blue supergiants in the Galaxy (She...

  4. CHEM 3311, Fall 2010 Professor Walba

    E-Print Network [OSTI]

    Walba, David

    CHEM 3311, Fall 2010 Professor Walba First Hour Exam September 23, 2010 scores: 1) 2) 3) 4) 5) CU-book exam. The use of notes, calculators, scratch paper, or cell phones will not be allowed during the exam the backs of the pages for scratch. ! H He Li Be B C N O F Na Mg Al Si P S Ne Cl Ar Br I 1 2 3 4 5 6 7 8 9

  5. CHEMISTRY 3311, Fall 1998 Professor Walba

    E-Print Network [OSTI]

    Walba, David

    Name: -1- CHEMISTRY 3311, Fall 1998 Professor Walba Third Hour Exam November 19, 1998 scores: 1) 2) 3) 4) PLEASE read the questions carefully! This is a closed-book "open model" exam. You may use for scratch. H He Li Be B C N O F Na Mg Al Si P S Ne Cl Ar Br I 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

  6. CHEMISTRY 3311, Fall 2000 Professor Walba

    E-Print Network [OSTI]

    Walba, David

    Name: -1- CHEMISTRY 3311, Fall 2000 Professor Walba Third Hour Exam November 16, 2000 scores: 1) 2) 3) 4) PLEASE read the questions carefully! This is a closed-book "open model" exam. You may use for scratch. H He Li Be B C N O F Na Mg Al Si P S Ne Cl Ar Br I 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

  7. CHEMISTRY 3311, Fall 2000 Professor Walba

    E-Print Network [OSTI]

    Walba, David

    Name: -1- CHEMISTRY 3311, Fall 2000 Professor Walba Second Hour Exam October 26, 2000 scores: 1) 2) 3) 4) PLEASE read the questions carefully! This is a closed-book "open model" exam. You may use for scratch. H He Li Be B C N O F Na Mg Al Si P S Ne Cl Ar Br I 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

  8. CHEM 3311, Fall 2010 Professor Walba

    E-Print Network [OSTI]

    Walba, David

    CHEM 3311, Fall 2010 Professor Walba Second Hour Exam October 21, 2010 scores: 1) 2) 3) 4) 5) CU-book exam. The use of notes, calculators, scratch paper, or cell phones will not be allowed during the exam the backs of the pages for scratch. ! H He Li Be B C N O F Na Mg Al Si P S Ne Cl Ar Br I 1 2 3 4 5 6 7 8 9

  9. Mental Health First Aid Fall Trainings

    E-Print Network [OSTI]

    Kim, John

    Mental Health First Aid Fall Trainings Faculty/Staff Training Dates: 12/14-12/16 8:30am-12:00pm@caps.ucla.edu What is Mental Health First Aid? Mental Health First Aid (MHFA) is an internationally recognized to a spectrum of mental health problems and crises. Since its US launch in 2008 more than 100,000 people have

  10. Synthesis, characterization and electrochemical performance of Al-substituted Li?MnO?

    SciTech Connect (OSTI)

    Dhital, Chetan [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Huq, Ashfia [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Paranthaman, Mariappan Parans [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Manivannan, Ayyakkannu [National Energy Technology Lab. (NETL), Morgantown, WV (United States); West Virginia Univ., Morgantown, WV (United States); Torres-Castro, Loraine [Univ. of Puerto Rico, San Juan (Puerto Rico); Shojan, Jifi [Univ. of Puerto Rico, San Juan (Puerto Rico); Julien, Christian M. [Univ. Pierre et Marie Curie, Paris (France); Katiyar, Ram S. [Univ. of Puerto Rico, San Juan (Puerto Rico)

    2015-01-01

    Li?MnO? is known to be electrochemically inactive due to Mn in tetravalent oxidation state. Several compositions such as Li?MnO?, Li1.5Al0.17MnO?, Li1.0Al0.33MnO? and Li0.5Al0.5MnO? were synthesized by a sol-gel Pechini method. All the samples were characterized with XRD, Raman, XPS, SEM, Tap density and BET analyzer. XRD patterns indicated the presence of monoclinic phase for pristine Li?MnO? and mixed monoclinic/spinel phases (Li2-xMn1-yAlx+yO3+z) for Al-substituted Li?MnO? compounds. The Al substitution seems to occur both at Li and Mn sites, which could explain the presence of spinel phase. XPS analysis for Mn 2p orbital reveal a significant decrease in binding energy for Li1.0Al0.33MnO? and Li0.5Al0.5MnO? compounds. Cyclic voltammetry, charge/discharge cycles and electrochemical impedance spectroscopy were also performed. A discharge capacity of 24 mAh g?¹ for Li?MnO?, 68mAh g?¹ for Li1.5Al0.17MnO?, 58 mAh g?¹ for Li1.0Al0.33MnO? and 74 mAh g?¹ for Li0.5Al0.5MnO? were obtained. Aluminum substitutions increased the discharge capacity and the spinel phase.

  11. Synthesis, characterization and electrochemical performance of Al-substituted Li?MnO?

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

    Dhital, Chetan; Huq, Ashfia; Paranthaman, Mariappan Parans; Manivannan, Ayyakkannu; Torres-Castro, Loraine; Shojan, Jifi; Julien, Christian M.; Katiyar, Ram S.

    2015-08-08

    Li2MnO3 is known to be electrochemically inactive due to Mn in tetravalent oxidation state. Several compositions such as Li2MnO3 , Li1.5Al0.17MnO3, Li1.0Al0.33MnO3 and Li0.5Al0.5MnO3 were synthesized by a sol–gel Pechini method. All the samples were characterized with x-ray diffraction, Raman, x-ray photoelectron spectroscopy, scanning electron microscopy, Tap density and BET analyzer. X-ray diffraction patterns indicated the presence of monoclinic phase for pristine Li2MnO3and mixed monoclinic/spinel phases (Li2 - xMn1 - yAlx + yO3 + z) for Al-substituted Li2MnO3compounds. The Al substitution seems to occur both at Li and Mn sites, which could explain the presence of spinel phase. X-ray photoelectronmore »spectroscopy for Mn 2p orbital reveals a significant decrease in binding energy for Li1.0Al0.33MnO3 and Li0.5Al0.5MnO3 compounds. Cyclic voltammetry, charge/discharge cycles and electrochemical impedance spectroscopy were also performed. A discharge capacity of 24 mAh g-1 for Li2MnO3, 68 mAh g-1 for Li1.5Al0.17MnO3, 58 mAh g-1 for Li1.0Al0.33MnO3 and 74 mAh g-1 for Li0.5Al0.5MnO3 were obtained. Aluminum substitutions increased the formation of spinel phase which is responsible for cycling.« less

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

    DOE Patents [OSTI]

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

    1987-01-01

    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.

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

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

    Lendinez, S.; Billinge, S. J. L.; Zarzuela, R.; Tejada, J.; Terban, M. W.; Espin, J.; Imaz, I.; Maspoch, D.; Chudnovsky, E. M.

    2015-01-06

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

  14. HgMn Stars as apparent X-ray emitters

    E-Print Network [OSTI]

    Hubrig, S; Mathys, G

    1998-01-01

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

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

    SciTech Connect (OSTI)

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

    2015-01-01

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

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

    E-Print Network [OSTI]

    Mundus, Simon; Husted, Søren; Lombi, Enzo

    2009-01-01

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

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

    E-Print Network [OSTI]

    Guchhait, S.

    2011-01-01

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

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

    E-Print Network [OSTI]

    Stephenson, Casey Justin

    2009-01-01

    100, 157203. Chapter Three “Double-Decker” [NX 4 ] 2 [Mn 8 (76 Chapter Three “Double-Decker” [NX 4 ] 2 [Mn 8 (salox) 6 Opacking effects in two “double decker” complexes of the

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

    E-Print Network [OSTI]

    Ruan, Shiyun

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

  20. Activation of a MnO2 cathode by water-stimulated Mg2+ insertion...

    Office of Scientific and Technical Information (OSTI)

    Activation of a MnO2 cathode by water-stimulated Mg2+ insertion for a magnesium ion battery Citation Details In-Document Search Title: Activation of a MnO2 cathode by...

  1. X-Ray Spectroscopy of the Mn(4) Ca Cluster in the Water-Oxidation...

    Office of Scientific and Technical Information (OSTI)

    X-Ray Spectroscopy of the Mn(4) Ca Cluster in the Water-Oxidation Complex of Photosystem II Citation Details In-Document Search Title: X-Ray Spectroscopy of the Mn(4) Ca Cluster in...

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

    E-Print Network [OSTI]

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

  3. In-situ Electrical Conductivity of LixMnO2 Nanowires as a Function...

    Office of Scientific and Technical Information (OSTI)

    In-situ Electrical Conductivity of LixMnO2 Nanowires as a Function of "x" and Size Citation Details In-Document Search Title: In-situ Electrical Conductivity of LixMnO2 Nanowires...

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

    E-Print Network [OSTI]

    Kim, Kyongwan

    2009-05-15

    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...

  5. Magnetization relaxation in (Ga,Mn)As ferromagnetic semiconductors 

    E-Print Network [OSTI]

    Sinova, Jairo; Jungwirth, T.; Liu, X.; Sasaki, Y.; Furdyna, JK; Atkinson, WA; MacDonald, AH.

    2004-01-01

    stream_source_info PhysRevB.69.085209.pdf.txt stream_content_type text/plain stream_size 32392 Content-Encoding ISO-8859-1 stream_name PhysRevB.69.085209.pdf.txt Content-Type text/plain; charset=ISO-8859-1 n . s re... of the theory of the Mn spin- wave dispersion, and reflect the retarded and nonlocal char- acter of the valence-band-hole mediated interactions between Mn moments.11 The Gilbert damping of magnetization pre- cession discussed here is the aspect of this long...

  6. Mixing antiferromagnets to tune NiFe-[IrMn/FeMn] interfacial spin-glasses, grains thermal stability, and related exchange bias properties

    SciTech Connect (OSTI)

    Akmaldinov, K.; Ducruet, C.; Portemont, C.; Joumard, I.; Prejbeanu, I. L.; Dieny, B.; Baltz, V.

    2014-05-07

    Spintronics devices and in particular thermally assisted magnetic random access memories require a wide range of ferromagnetic/antiferromagnetic (F/AF) exchange bias (EB) properties and subsequently of AF materials to fulfil diverse functionality requirements for the reference and storage. For the reference layer, large EB energies and high blocking temperature (T{sub B}) are required. In contrast, for the storage layer, mostly moderate T{sub B} are needed. One of the present issues is to find a storage layer with properties intermediate between those of IrMn and FeMn and in particular: (i) with a T{sub B} larger than FeMn for better stability at rest-T but lower than IrMn to reduce power consumption at write-T and (ii) with improved magnetic interfacial quality, i.e., with reduced interfacial glassy character for lower properties dispersions. To address this issue, the EB properties of F/AF based stacks were studied for various mixed [IrMn/FeMn] AFs. In addition to EB loop shifts, the F/AF magnetic interfacial qualities and the AF grains thermal stability are probed via measurements of the low- and high-temperature contributions to the T{sub B} distributions, respectively. A tuning of the above three parameters is observed when evolving from IrMn to FeMn via [IrMn/FeMn] repetitions.

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

    E-Print Network [OSTI]

    Zeng, Li

    2010-01-01

    ferromagnetic Mn 5 Ge 3 for spintronic applications. Phys.dopants of interest for spintronic applications, where both

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

    SciTech Connect (OSTI)

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

    2011-05-03

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

  9. Electrochemical Performance of LiMnPO[subscript 4] Synthesized with Off-Stoichiometry

    E-Print Network [OSTI]

    Kang, Byoungwoo

    LiMnPO[subscript 4] was synthesized from an off-stoichiometric mix of starting materials with nominal composition LiMn[subscript 0.9]P[subscript 0.95]O[subscript 4??]. Stoichiometric LiMnPO[subscript 4] with particle size ...

  10. 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 (OSTI)

    López, C.A.; Saleta, M.E.; Pedregosa, J.C.; Sánchez, R.D.; Alonso, J.A.; and others

    2014-02-15

    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 (?Mn–O?) 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}.

  11. Green Lands Blue Water 2014 Fall Conference

    Broader source: Energy.gov [DOE]

    The Green Lands Blue Water 2014 Fall Conference will be held from November 19–20, 2014, at the Richland Community College in Decatur, Illinois. The event will focus on bioenergy and sustainable agriculture and explore topics ranging from logistics, energy conversion technologies, and markets for grass biomass. BETO Sustainability Program Technology Manager Kristen Johnson will be speaking about the Energy Department’s perspective on sustainable bioenergy landscapes and will focus on BETO’s recent work with landscape design. The conference will be November 19–20 only. On November 18, participants may choose to participate in a pre-conference field tour.

  12. Bioenergy Deployment Consortium (BDC) 2014 Fall Symposium

    Broader source: Energy.gov [DOE]

    The 2014 BDC Fall Symposium will be held on October 21–22, 2014 in Fort Myers, Florida. The event will include a tour of the Algenol facility on Wednesday morning. The symposium will have panels for progress reports from current cellulosic bio-product companies, updates on government policy from several agencies, scale-up strategies,and lessons learned. POET-DSM will provide the after dinner success story. Neil Rossmeissl, Program Manager, Algal Program, Bioenergy Technologies Office, will be delivering the keynote address on expanding the bioeconomy.

  13. DOE - Office of Legacy Management -- Falls

    Office of Legacy Management (LM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouth Dakota Edgemont, SouthLaboratoryDiv - NYCorp -EraTexas Falls City,

  14. ARM - Field Campaign - Fall 1997 Cloud IOP

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach HomeA Better Anode Design to Improve4AJ01)govCampaignsFIRE-Arctic Cloud Experiment/SHEBAgovCampaignsFall

  15. Benton Falls Associates | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LISTStar Energy LLC Jump to:Greece:BajoBelpower Srl Jump to:Falls Associates Jump to:

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

    E-Print Network [OSTI]

    Levinson, David M.

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

  17. An Archaeological Survey for the Falls-on-the-Brazos Park in Falls County Texas 

    E-Print Network [OSTI]

    Moore, William

    2015-07-28

    An archaeological survey at the site of Falls-on-the-Brazos Park was performed by Brazos Valley Research Associates (BVRA) on October 24, 2006. This investigation examined the site of a proposed observation tower and an area where outdoor cooking...

  18. Chapter 1: Introduction 1Comp361, Fall 2003 COMP 361 "Networks I" Fall 2003

    E-Print Network [OSTI]

    Golin, Mordecai J.

    & service models 1.8 Internet backbones, NAPs, ISPs 1.9 history Chapter goal: get context, overview Featuring The Internet, 2nd ed., Addison Wesley, 2002 Course material is based on lecture notes and chapters: Introduction 6Comp361, Fall 2003 Chapter 1: Computer Networks and the Internet Overview: 1.1 what

  19. #tipsEnergy: Weatherizing Your Home for Fall

    Broader source: Energy.gov [DOE]

    With the start of colder weather, we are sharing fall energy-saving tips that will help you save money and stay comfortable.

  20. Idaho Falls Power- Residential Energy Efficiency Rebate Program

    Broader source: Energy.gov [DOE]

    Idaho Falls Power offers rebates to eligible customers for installing energy efficient equipment and pursuing whole building efficiency measures.  Rebates rebates are available for air source and...

  1. Fall 2001 Vol. 2, No. 4 ii Colorado Climate

    E-Print Network [OSTI]

    Colorado Climate Fall 2001 Vol. 2, No. 4 #12;ii Colorado Climate Table of Contents On Being a Small . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 July 2001 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 August 2001

  2. Seating Final Exam, Fall 2011, Bailey classes, Lambert Fieldhouse

    E-Print Network [OSTI]

    Bailey, Charlotte M

    2011-12-07

    Seating Final Exam, Fall 2011, KLOSTER classes, Lambert. Fieldhouse. NAME. ROW. SEAT NUMBER. Arrington, Brook L. 1. 1. Blevins, Sash M. 2. 1. Brown ...

  3. An Experimental Study of Mn12-Family Molecular Magnets in Isolation with High Spatial Resolution 

    E-Print Network [OSTI]

    Reaves, Kelley Thomas

    2014-12-17

    atoms. The radius of the Mn atoms has been modified from their ionic radius for clarity. . . . . . . . . . . . . 15 2.4 Magnetization of Mn12-Ph powder sample as a function of applied magnetic field at different temperatures, 1.8K ? T ? 10K. The measured... large circles are Mn3+ ions, the lighter colored large circles are Mn4+ ions, the smaller black circles are O atoms, and the lines indicate a chemical bond (of O to Mn). This double shell has tetragonal symmetry and consists of an inner shell...

  4. Effect of Mn substitution on the transport properties of co-sputtered Fe{sub 3?x}Mn{sub x}Si epilayers

    SciTech Connect (OSTI)

    Tang, M.; Jin, C.; Bai, H. L.

    2014-11-07

    Motivated by the theoretical calculations that Fe{sub 3?x}Mn{sub x}Si can simultaneously exhibit a high spin polarization with a high Curie temperature to be applied in spintronic devices, and in order to further study the effect of Mn contents on the physical properties of Fe{sub 3?x}Mn{sub x}Si, we have investigated the effect of Mn substitution on the transport properties of epitaxial Fe{sub 3?x}Mn{sub x}Si (0?x?1) films systematically. The Fe{sub 3?x}Mn{sub x}Si films were epitaxially grown on MgO(001) plane with 45° rotation. The magnetization for various x shows enhanced irreversibility, implying the antiferromagnetic ordering induced by the substitution of Mn. A metal-semiconductor crossover was observed due to the enhanced disorders of interactions and the local lowering of symmetry induced by the substitution of Mn. The single-domain state in the Fe{sub 3?x}Mn{sub x}Si films leads to twofold symmetric curves of the anisotropic magnetoresistance and planar Hall resistivity.

  5. Role of t{sub 2g} electrons in Mn-Tb coupling of multiferroic TbMnO{sub 3}

    SciTech Connect (OSTI)

    Guo, Y. Y.; Wang, Y. L.; Liu, J.-M.; Wei, T.

    2014-08-14

    We investigate the effect of Cr-doping in polycrystalline TbMn{sub 1?x}Cr{sub x}O{sub 3} (x???6%) ceramics on the magnetism, ferroelectricity, and dielectricity. The Cr substitution gradually suppresses the ferroelectricity induced by the Mn spiral spin ordering, and results in a stronger modulation of polarization by magnetic field with increasing x. However, the transition temperature T{sub Tb} corresponding to onset of Tb magnetic ordering has barely shifted with Cr doping. In other words, although the Cr-doping obviously disrupts the Mn spiral spin ordering, the exchange field J{sub Mn-Tb} acting on the Tb moments from the Mn-spin structure is hardly impacted. Our work demonstrates that the e{sub g} electron of Mn{sup 3+} plays an important role in forming the Mn spiral spin order, but the f-d exchange interaction between the Mn 3d spins and the Tb 4f moments in multiferroic TbMnO{sub 3} almost involves only the t{sub 2g} electrons.

  6. Biological Mn(II) oxidation in freshwater and marine systems : new perspectives on reactants, mechanisms and microbial catalysts of Mn cycling in the environment

    E-Print Network [OSTI]

    Clement, Brian Gregory

    2006-01-01

    a mining-related acid drainage problem. Applied Geochemistrya mining-related acid drainage problem. Applied GeochemistryBioremediation of Acid Mine Drainage: Mn(II) Oxidation at

  7. Controlling Mn depth profiles in GaMnAs during high-temperature molecular beam epitaxial growth

    E-Print Network [OSTI]

    Thibado, Paul M.

    , or spintronics [1]. The reason for this is that, compared to conventional electronic devices, spin-based devices be suitable for spintronics. For example, the discovery of ferromagnetism in Mn-doped GaAs grown by MBE [4] has led to interest in it as an ideal material for spintronics applications [5,6]. The future success

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

    SciTech Connect (OSTI)

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

    1999-01-01

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

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

    SciTech Connect (OSTI)

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

    1998-10-01

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

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

    SciTech Connect (OSTI)

    Arenholz, Elke; Zeng, Li; Huegel, A.; Helgren, E.; Hellman, F.; Piamonteze, C.; Arenholz, E.

    2008-03-08

    The electronic structure of Mn in amorphous Si (a-Mn{sub x}Si{sub 1?x}) is studied by X-ray absorption spectroscopy at the Mn L{sub 3,2} edges for x = 0.005-0.18. Except the x = 0.005 sample, which shows a slight signature of Mn{sup 2+} atomic multiplets associated with a local Mn moment, all samples have broad and featureless L{sub 3,2} absorption peaks, corresponding to an itinerant state for all 3d electrons. The broad X-ray absorption spectra exclude the possibility of a localized 3d moment and explain the unexpectedly quenched Mn moment in this magnetically-doped amorphous semiconductor. Such a fully delocalized d state of Mn dopant in Si has not been previously suggested.

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

    E-Print Network [OSTI]

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

  12. ECOLOGY, EVOLUTION AND ENVIRONMENTAL BIOLOGY (for students entering Biology in Fall 2011 or later)

    E-Print Network [OSTI]

    Kihara, Daisuke

    Environmental Issues (3 cr.; fall) BIOL 49300 Intro. to Ethology (3 cr.; fall) FNR 50100 Limnology (3 cr.; fall Analysis (3 cr.; spring) POL 52300 Environmental Politics and Public Policy (3 cr.; fall) BIOL 59700 SexECOLOGY, EVOLUTION AND ENVIRONMENTAL BIOLOGY (for students entering Biology in Fall 2011 or later

  13. Plutonium Oxidation and Subsequent Reduction by Mn (IV) Minerals

    SciTech Connect (OSTI)

    KAPLAN, DANIEL

    2005-09-13

    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.

  14. Slips,Trips and Falls RISK MANAGEMENT BULLETINWINTER 2014

    E-Print Network [OSTI]

    Kavanagh, Karen L.

    Preventing Slips,Trips and Falls RISK MANAGEMENT BULLETINWINTER 2014 Slips, Trips and Falls with a membership of 61 Canadian universities. CURIE risk management, campus loss control and focused training-profit cost-effective alternative to traditional insurance. Formed in 1988, CURIE is a risk sharing pool

  15. MPO 502-03 OCEANOGRAPHY 2 (PHYSICAL) Fall Semester 2012

    E-Print Network [OSTI]

    Miami, University of

    1 MPO 502-03 OCEANOGRAPHY 2 (PHYSICAL) Fall Semester 2012 Monday and Wednesday, 1:30 p.m. - 2:45 p.m. In the RSMAS Library rare book room Professor John Van Leer 1) Aug. 22 Introduction to Physical Oceanography Eddy and Frontal Processes in the Ocean MPO 502 OCEANOGRAPHY 2 (PHYSICAL) #12;2 Fall Semester 20012

  16. Physics 171 General Information Fall 2014 Instructor: Howard Haber

    E-Print Network [OSTI]

    California at Santa Cruz, University of

    Physics 171 General Information Fall 2014 Instructor: Howard Haber Office: ISB, Room 326 Phone;Physics 171 General Relativity, Black Holes and Cosmology Fall 2014 Course Outline Topic Reading 1. Introduction to Tensors Chapter 10 of Boas 2. Covariance of Physical Laws Chapter 2.1 3. Special Relativity

  17. Chemistry B.S. Fall--First Year

    E-Print Network [OSTI]

    Gering, Jon C.

    I & Lab · PHYS 196 (or 186) Physics w Calc II LSP coursework Fall--Fourth Year · CHEM 445 Senior Chemistry II & Lab · Elective(s) and/or LSP coursework Spring--Fourth Year · CHEM 310 Modern MethodsChemistry B.S. Fall--First Year · CHEM 130 Chemical Principles I* · CHEM 145 Freshman Seminar

  18. Agricultural Science BS (Science Track) Fall--First Year

    E-Print Network [OSTI]

    Gering, Jon C.

    Program (LSP) coursework Fall--Fourth Year · AGSC 415: Ethical Issues in Sustainable · AGSC 490 · Ag.Sci. Learning Plan Elective(s) · Liberal Studies Program (LSP) coursework Spring--Fourth Year Elective(s) · B.S. Requirement Course · Liberal Studies Program (LSP) coursework Fall--Fourth Year · AGSC

  19. ENV 6105 Page 1 of 6 Fall 2011 Air Pollution

    E-Print Network [OSTI]

    Stuart, Amy L.

    ENV 6105 Page 1 of 6 Fall 2011 Syllabus Air Pollution ENV 6105.901 (ref# 90504) Fall 2011 Course Description: A study of air pollution. Emphasis is given to principles underlying our understanding of ambient air pollution, its sources, its effects, and mechanisms for its management. Credit Hours and Work

  20. Music BA Liberal Arts Fall--First Year

    E-Print Network [OSTI]

    Gering, Jon C.

    Music ­ BA Liberal Arts Fall--First Year MUSI 130: Music Analysis I MUSI 132: Aural Skills in Music I MUSI 279: Concert and Recital Atten. MUSI 153: Keyboard Skills I Major Applied Area Major Ensemble Liberal Studies Program (LSP) coursework Fall--Second Year MUSI 230: Music Analysis III MUSI

  1. BIOCHEMISTRY (for students entering Biology in Fall 2011 or later)

    E-Print Network [OSTI]

    Jiang, Wen

    1 BIOCHEMISTRY (for students entering Biology in Fall 2011 or later) Graduation Requirements Requirement: Choose one of these four options: (Biochemistry majors must choose BIOL 39500, Macromolecules) A Biochemistry (3 cr.; fall) 13. Biology Electives: Two of these courses: A. BIOL 41600 Viruses and Viral

  2. Fall 2011 | PCI Journal106 Editor's quick points

    E-Print Network [OSTI]

    Fall 2011 | PCI Journal106 Editor's quick points This paper summarizes the results in the sixth edition of the PCI Design Handbook: Precast and Prestressed Con- crete6 often results in conservative, heavy reinforcement #12;107PCI Journal | Fall 2011 results1 to study the various parameters

  3. COMPENSATION MANAGEMENT HRMK 516.110 -Fall 2013 CRN: 86731

    E-Print Network [OSTI]

    Diestel, Geoff

    and skills competencies: #12;HRM 516.110 Fall 2013 - p. 2 A. Strategic Human Resource Management: Knowledge resource law, ethics, scorecard metrics, global HRM, etc.) related to designing and implementing effective;HRM 516.110 Fall 2013 - p. 3 etc.) related to administering efficient and effective organizational

  4. Chemistry B.S. Fall--First Year

    E-Print Network [OSTI]

    Gering, Jon C.

    Chemistry B.S. Fall--First Year CHEM 130 Chemical Principles I* CHEM 145 Freshman Seminar MATH Intro to Quant Analysis CHEM 245 Sophomore Seminar CHEM 329 Organic Chemistry I MATH 264 Calculus III LSP coursework Fall--Third Year CHEM 345 Junior Seminar CHEM 323/324 Physical Chemistry I & Lab

  5. Math Credit-By-Exam Procedures Fall Semester, 2015

    E-Print Network [OSTI]

    Math Credit-By-Exam Procedures Fall Semester, 2015 Credit-By-Exams will be available the first week of the Fall 2015 semester for the following courses: MATH 1014, 1025, 1026, 1114, 1224, 1225, and 1226 Spa and register for the appropriate course. Credit-By-Exam for Math 1014, 1025, 1026, 1114, or 1224

  6. Geography 347: Water as a Resource Lecture Schedule -Fall, 2012

    E-Print Network [OSTI]

    James, L. Allan

    Geography 347: Water as a Resource Lecture Schedule - Fall, 2012 Instructor: Dr. Allan James; Room: an essential resource Ch.1 2 Tu History of Hydrology; Physical Properties of Water Ch.2 Th Global Hydrologic Flood Hazards Management scan Ch.15 & 16 Th Fall Break, no classes ------- #12;Geography 347: Water

  7. Quantum ballistic experiment on antihydrogen fall

    E-Print Network [OSTI]

    Voronin, A Yu; Dufour, G; Reynaud, S

    2015-01-01

    We study an interferometric approach to measure gravitational mass of antihydrogen. The method consists of preparing a coherent superposition of antihydrogen quantum state localized near a material surface in the gravitational field of the Earth, and then observing the time distribution of annihilation events followed after the free fall of an initially prepared superposition from a given height to the detector plate. We show that a corresponding time distribution is related to the momentum distribution in the initial state that allows its precise measurement. This approach is combined with a method of production of a coherent superposition of gravitational states by inducing a resonant transition using oscillating gradient magnetic field. We estimate an accuracy of measuring the gravitational mass of antihydrogen atom which could be deduced from such a measurement.

  8. Long-term surveillance plan for the Falls City Disposal Site, Falls City, Texas

    SciTech Connect (OSTI)

    NONE

    1995-06-01

    This long-term surveillance plan (LTSP) for the Uranium Mill Tailings Remedial Action (UMTRA) Project Falls City disposal site, Falls City, Texas, describes the surveillance activities for the disposal site. DOE will carry out these activities to ensure that the disposal cell continues to function as designed. This LTSP was prepared as a requirement for acceptance under the US Nuclear Regulatory Commission (NRC) general license for custody and long-term care of residual radioactive materials. This LTSP documents whether the land and interests are owned by the United States and details how long-term care of the disposal site will be carried out. It is based on the DOE`s Guidance for Implementing the UMTRA Project Long-term Surveillance Program (DOE, 1992a).

  9. Long-term Surveillance Plan for the Falls City Disposal Site, Falls City, Texas. Revision 1

    SciTech Connect (OSTI)

    NONE

    1995-08-01

    This long-term surveillance plan (LTSP) for the Uranium Mill Tailings Remedial Action (UMTRA) Project Falls City disposal site, Falls City, Texas, describes the surveillance activities for the disposal site. The US Department of Energy (DOE) will carry out these activities to ensure that the disposal cell continues to function as designed. This LTSP was prepared as a requirement for acceptance under the US Nuclear Regulatory Commission (NRC) general license for custody and long-term care of residual radioactive materials. This LTSP documents whether the land and interests are owned by the United States and details how long-term care of the disposal site will be carried out. It is based on the DOE`s Guidance for Implementing the UMTRA Project Long-term Surveillance Program (DOE, 1992a).

  10. Fall 2014 1,540 1,261 29,175 31,976 Fall 2013 1,660 1,222 29,466 32,348

    E-Print Network [OSTI]

    Mohaghegh, Shahab

    Year Potomac State WVU- Tech WVU- Main All WVU Fall 2014 1,540 1,261 29,175 31,976 Fall 2013 1,660 1,222 29,466 32,348 Fall 2012 1,781 1,107 29,707 32,595 Fall 2011 1,800 1,316 29,617 32,733 Fall 2010 1,836 1,209 29,306 32,351 Fall 2009 1,810 1,244 28,898 31,952 Fall 2008 1,582 1,224 28,840 31

  11. Summary of the engineering assessment of inactive uranium mill tailings: Falls City site, Falls City, Texas

    SciTech Connect (OSTI)

    none,

    1981-10-01

    Ford, Bacon and Davis Utah Inc. has reevaluated the Falls City site in order to update the December 1977 engineering assessment of the problems resulting from the existence of radioactive uranum mill tailings at Falls City, Texas. This engineering assessment has included the preparation of topographic maps, the performance of core drillings and radiometric measurements sufficient to determine areas and volumes of tailings and radiation exposures of individuals and nearby populations, the investigations of site hydrolgy and meteorology, and the evaluation and costing of alternative corrective actions. Radon gas released from the 2.5 million tons of tailings at the Falls City site constitutes the most significant environmental impact, although windblown tailings and external gamma radiation also are factors. The four alternative actions presented in this engineering assessment range from millsite decontamination with the addition of 3 m of stabilization cover material, to removal of the tailings to remote disposal sites and decontamination of the tailings site. Cost estimates for the four options range from about $21,700,000 for stabilization in place, to about $35,100,000 for disposal at a distance of about 15 mi. Three principal alternatives for the reprocessing of the Falls City tailings were examined: heap leaching; treatment at an existing mill; reprocessing at a new conventional mill constructed for tailings reprocessing. The tailings piles are presently being rewashed for uranium recovery by Solution Engineering, Inc. The cost for further reprocessing would be about $250/lb of U/sub 3/O/sub 8/. The spot market price for uranium was $25/lb early in 1981. Therefore, reprocessing the tailings for uranium recovery does not appear to be economically attractive for the foreseeable future.

  12. Dr. Campbell's Bio111 Exam #1 Fall 2001 Fall 2001 Biology 111 Exam #1 -Cellular Communications

    E-Print Network [OSTI]

    Campbell, A. Malcolm

    this exam take you to complete (excluding typing)? #12;Dr. Campbell's Bio111 Exam #1 ­ Fall 2001 2 Lab/v IDH if your stock solutions are 28.8 mM NADP+ , 500 mM isocistrate and 100 mM IDH (to be considered 100% IDH stock solution). 10 mL NADP stock + 20 mL isocitrate + 14 mL IDH + water to a final volume

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

    E-Print Network [OSTI]

    Karaca, Haluk Ersin

    2009-05-15

    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 ...

  14. Why the Apple Doesn’t Fall Far: Understanding Intergenerational Transmission of Human Capital

    E-Print Network [OSTI]

    Black, Sandra; Devereux, Paul; Salvanes, Kjell

    2004-01-01

    Kjell G. Salvanes. 2003. “Why the Apple Doesn’t Fall Far:Why the Apple Doesn't Fall Far: UnderstandingPaper Series Why the Apple Doesn’t Fall Far: Understanding

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

    SciTech Connect (OSTI)

    Takeda, Takashi; Xie, Rong-Jun; Hirosaki, Naoto; Matsushita, Yoshitaka; Honma, Tetuso

    2012-10-15

    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.

  16. Ferromagnetic interactions and martensitic transformation in Fe doped Ni-Mn-In shape memory alloys

    SciTech Connect (OSTI)

    Lobo, D. N.; Priolkar, K. R.; Emura, S.; Nigam, A. K.

    2014-11-14

    The structure, magnetic, and martensitic properties of Fe doped Ni-Mn-In magnetic shape memory alloys have been studied by differential scanning calorimetry, magnetization, resistivity, X-ray diffraction (XRD), and EXAFS. While Ni{sub 2}MnIn{sub 1?x}Fe{sub x} (0???x???0.6) alloys are ferromagnetic and non martensitic, the martensitic transformation temperature in Ni{sub 2}Mn{sub 1.5}In{sub 1?y}Fe{sub y} and Ni{sub 2}Mn{sub 1.6}In{sub 1?y}Fe{sub y} increases for lower Fe concentrations (y???0.05) before decreasing sharply for higher Fe concentrations. XRD analysis reveals presence of cubic and tetragonal structural phases in Ni{sub 2}MnIn{sub 1?x}Fe{sub x} at room temperature with tetragonal phase content increasing with Fe doping. Even though the local structure around Mn and Ni in these Fe doped alloys is similar to martensitic Mn rich Ni-Mn-In alloys, presence of ferromagnetic interactions and structural disorder induced by Fe affect Mn-Ni-Mn antiferromagnetic interactions resulting in suppression of martensitic transformation in these Fe doped alloys.

  17. Effect of composition and heat treatment on MnBi magnetic materials

    SciTech Connect (OSTI)

    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

    2014-10-01

    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 Mn–Bi 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).

  18. On the state of Mn impurity implanted in Si

    SciTech Connect (OSTI)

    Orlov, A. F.; Bublik, V. T.; Vdovin, V. I.; Agafonov, Yu. A.; Balagurov, L. A.; Zinenko, V. I.; Kulemanov, I. V.; Shcherbachev, K. D.

    2009-07-15

    The state of manganese impurity in implanted silicon at implantation doses of up to 5 x 10{sup 16} cm{sup -2} has been investigated by X-ray diffraction and transmission electron microscopy. It is established that, after short-term vacuum annealing at 850{sup o}C, most of the implanted manganese impurities are in microinclusions up to 20 nm in size formed by a tetragonal silicide phase of the Mn{sub 15}Si{sub 26} type.

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

    SciTech Connect (OSTI)

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

    2014-04-21

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

  20. Seismic and Acoustic Investigations of Rock Fall Initiation, Processes, and Mechanics

    E-Print Network [OSTI]

    Zimmer, Valerie Louise

    2011-01-01

    Seismic  and  Acoustic  Investigations  of  Rock  Fall  Initiation,  Processes,  Seismic  and  Acoustic  Investigations  of  Rock  Fall  Initiation,  Processes,  other  seismic  sources  was  an  iterative  process.    

  1. Combined dynamics of mercury and terrigenous organic matter following impoundment of Churchill Falls

    E-Print Network [OSTI]

    Falls Hydroelectric Reservoir, Labrador Roman Teisserenc · Marc Lucotte · Rene´ Canuel · Matthieu Moingt in the Churchill Falls Hydroelectric complex in Labrador, Canada. Lignin biomarkers in TOM, which exclusively

  2. Investigation of structure, magnetic, and transport properties of Mn-doped SiC films

    SciTech Connect (OSTI)

    Sun Xianke [School of Material Science and Engineering, Tianjin University, Tianjin 300172 (China); Tianjin Key Laboratory for Photoelectric Materials and Devices, Tianjin University of Technology, Tianjin 300384 (China); Guo Ruisong [School of Material Science and Engineering, Tianjin University, Tianjin 300172 (China); An Yukai [Tianjin Key Laboratory for Photoelectric Materials and Devices, Tianjin University of Technology, Tianjin 300384 (China); School of Material Science and Engineering, Tianjin University of Technology, Tianjin 300384 (China); Liu Jiwen [School of Material Science and Engineering, Tianjin University, Tianjin 300172 (China); Tianjin Key Laboratory for Photoelectric Materials and Devices, Tianjin University of Technology, Tianjin 300384 (China); School of Material Science and Engineering, Tianjin University of Technology, Tianjin 300384 (China)

    2013-07-15

    Mn-doped SiC films were fabricated by radio frequency magnetron sputtering technique. The structure, composition, and magnetic and transport properties of the films were investigated. The results show the films have the 3C-SiC crystal structure and the doped Mn atoms in the form of Mn{sup 2+} ions substitute for C sites in SiC lattice. All the films are ferromagnetic at 300 K, and the ferromagnetism in films arises from the doped Mn atoms and some extended defects. In addition, the saturation magnetization increases with the Mn-doped concentration increasing. The Mn doping does not change the semiconductor characteristics of the SiC films.

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

    SciTech Connect (OSTI)

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

    2013-02-21

    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.

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

    SciTech Connect (OSTI)

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

    2008-02-11

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

  5. Cr(OH)?(s) Oxidation Induced by Surface Catalyzed Mn(II) Oxidation

    SciTech Connect (OSTI)

    Namgung, Seonyi; Kwon, M.; Qafoku, Nikolla; Lee, Gie Hyeon

    2014-09-16

    This study examined the feasibility of Cr(OH)?(s) oxidation mediated by surface catalyzed Mn(II) oxidation under common groundwater pH conditions as a potential pathway of natural Cr(VI) contaminations. Dissolved Mn(II) (50 ?M) was reacted with or without synthesized Cr(OH)?(s) (1.0 g/L) at pH 7 – 9 under oxic or anoxic conditions. In the absence of Cr(OH)?(s), homogeneous Mn(II) oxidation by dissolved O? was not observed at pH ? 8.0 for 50 d. At pH 9.0, by contrast, dissolved Mn(II) was completely removed within 8 d and precipitated as hausmannite. When Cr(OH)?(s) was present, this solid was oxidized and released substantial amounts of Cr(VI) as dissolved Mn(II) was added into the suspension at pH ? 8.0 under oxic conditions. Our results suggest that Cr(OH)?(s) was readily oxidized by a newly formed Mn oxide as a result of Mn(II) oxidation catalyzed on Cr(OH)?(s) surface. XANES analysis of the residual solids after the reaction between 1.0 g/L Cr(OH)?(s) and 204 ?M Mn(II) at pH 9.0 for 22 d revealed that the product of surface catalyzed Mn(II) oxidation resembled birnessite. The rate and extent of Cr(OH)?(s) oxidation was likely controlled by those of surface catalyzed Mn(II) oxidation as the production of Cr(VI) increased with increasing pH and initial Mn(II) concentrations. This study evokes the potential environmental hazard of sparingly soluble Cr(OH)?(s) that can be a source of Cr(VI) in the presence of dissolved Mn(II).

  6. Structural and ferromagnetic properties of an orthorhombic phase of MnBi stabilized with Rh additions

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

    Taufour, Valentin; Thimmaiah, Srinivasa; March, Stephen; Saunders, Scott; Sun, Kewei; Lamichhane, Tej Nath; Kramer, Matthew J.; Bud’ko, Sergey L.; Canfield, Paul C.

    2015-07-28

    The article addresses the possibility of alloy elements in MnBi which may modify the thermodynamic stability of the NiAs-type structure without significantly degrading the magnetic properties. The addition of small amounts of Rh and Mn provides an improvement in the thermal stability with some degradation of the magnetic properties. The small amounts of Rh and Mn additions in MnBi stabilize an orthorhombic phase whose structural and magnetic properties are closely related to the ones of the previously reported high-temperature phase of MnBi (HT MnBi). The properties of the HT MnBi, which is stable between 613 and 719 K, have notmore »been studied in detail because of its transformation to the stable low-temperature MnBi (LT MnBi), making measurements near and below its Curie temperature difficult. The Rh-stabilized MnBi with chemical formula Mn1.0625–xRhxBi [x=0.02(1)] adopts a new superstructure of the NiAs/Ni2In structure family. It is ferromagnetic below a Curie temperature of 416 K. The critical exponents of the ferromagnetic transition are not of the mean-field type but are closer to those associated with the Ising model in three dimensions. The magnetic anisotropy is uniaxial; the anisotropy energy is rather large, and it does not increase when raising the temperature, contrary to what happens in LT MnBi. The saturation magnetization is approximately 3?B/f.u. at low temperatures. Thus, while this exact composition may not be application ready, it does show that alloying is a viable route to modifying the stability of this class of rare-earth-free magnet alloys.« less

  7. Electronic Structure and Oxidation State Changes in the Mn (4) Ca Cluster of Photosystem II

    SciTech Connect (OSTI)

    Yano, J.; Pushkar, Y.; Messinger, J.; Bergmann, U.; Glatzel, P.; Yachandra, V.K.; /SLAC

    2012-08-17

    Oxygen-evolving complex (Mn{sub 4}Ca cluster) of Photosystem II cycles through five intermediate states (S{sub i}-states, i = 0-4) before a molecule of dioxygen is released. During the S-state transitions, electrons are extracted from the OEC, either from Mn or alternatively from a Mn ligand. The oxidation state of Mn is widely accepted as Mn{sub 4}(III{sub 2},IV{sub 2}) and Mn{sub 4}(III,IV{sub 3}) for S{sub 1} and S{sub 2} states, while it is still controversial for the S{sub 0} and S{sub 3} states. We used resonant inelastic X-ray scattering (RIXS) to study the electronic structure of Mn{sub 4}Ca complex in the OEC. The RIXS data yield two-dimensional plots that provide a significant advantage by obtaining both K-edge pre-edge and L-edge-like spectra (metal spin state) simultaneously. We have collected data from PSII samples in the each of the S-states and compared them with data from various inorganic Mn complexes. The spectral changes in the Mn 1s2p{sub 3/2} RIXS spectra between the S-states were compared to those of the oxides of Mn and coordination complexes. The results indicate strong covalency for the electronic configuration in the OEC, and we conclude that the electron is transferred from a strongly delocalized orbital, compared to those in Mn oxides or coordination complexes. The magnitude for the S{sub 0} to S{sub 1}, and S{sub 1} to S{sub 2} transitions is twice as large as that during the S{sub 2} to S{sub 3} transition, indicating that the electron for this transition is extracted from a highly delocalized orbital with little change in charge density at the Mn atoms.

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

    E-Print Network [OSTI]

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

    2008-01-01

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

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

    SciTech Connect (OSTI)

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

    2014-09-21

    The strain mediated electrical and magnetic properties were investigated in PZT/Ni-Mn-In heterostructure deposited on Si (100) by dc/rf magnetron sputtering. X-ray diffraction pattern revealed that (220) orientation of Ni-Mn-In facilitate the (110) oriented tertragonal phase growth of PZT layer in PZT/Ni-Mn-In heterostructure. A distinctive peak in dielectric constant versus temperature plots around martensitic phase transformation temperature of Ni-Mn-In showed a strain mediated coupling between Ni-Mn-In and PZT layers. The ferroelectric measurement taken at different temperatures exhibits a well saturated and temperature dependent P-E loops with a highest value of P{sub sat}~55 ?C/cm² obtained during martensite-austenite transition temperature region of Ni-Mn-In. The stress induced by Ni-Mn-In layer on upper PZT film due to structural transformation from martensite to austenite resulted in temperature modulated Tunability of PZT/Ni-Mn-In heterostructure. A tunability of 42% was achieved at 290 K (structural transition region of Ni-Mn-In) in these heterostructures. I-V measurements taken at different temperatures indicated that ohmic conduction was the main conduction mechanism over a large electric field range in these heterostructures. Magnetic measurement revealed that heterostructure was ferromagnetic at room temperature with a saturation magnetization of ~123 emu/cm³. Such multiferroic heterostructures exhibits promising applications in various microelectromechanical systems.

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

    E-Print Network [OSTI]

    Zeng, Li

    2010-01-01

    ferromagnetic Mn 5 Ge 3 for spintronic applications. Phys.Wolf, S. A. et al. Spintronics: a spin-based electronicsdopants of interest for spintronic applications, where both

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

    SciTech Connect (OSTI)

    Yan, Jun; Wei, Tong; Cheng, Jie; Fan, Zhuangjun; Zhang, Milin

    2010-02-15

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

  12. ECE/CS 584: Fall 2012 Embedded System Verification

    E-Print Network [OSTI]

    Liberzon, Daniel

    powerful software tools (model checkers, SMT solvers, & theorem provers) for designing & analyzing systems · Real-time and hybrid system models, stability verification: Multiple Lyapunov functions, slow switchingECE/CS 584: Fall 2012 Embedded System Verification URL: http

  13. Fall 2000 Vol. 1, No. 4 22 Colorado Climate

    E-Print Network [OSTI]

    Colorado Climate Fall 2000 Vol. 1, No. 4 #12;22 Colorado Climate Table of Contents Climate Memories ............................................................................................ 1 Climate on the Web ­ Natural Resources Conservation Service? ....................................................................................................... 6 Colorado Climate in Review

  14. 9.00W Introduction to Psychology, Fall 2002

    E-Print Network [OSTI]

    Wolfe, Jeremy M.

    This course surveys questions about human behavior and mental life ranging from how you see to why you fall in love. The great controversies: nature and nurture, free will, consciousness, human differences, self and society. ...

  15. EIS-0106: Great Falls-Conrad Transmission Line Project, Montana

    Broader source: Energy.gov [DOE]

    The Western Area Power Administration prepared this EIS to evaluate the environmental impacts of the construction and operation of a 230-kilovolt transmission line from Great Falls, Montana, to Conrad, Montana.

  16. Fall: Energy Saving Changes with the Season | Department of Energy

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

    Laboratory I'm sure you've noticed the change in seasons by now. Fall brings cooler weather, and with it my thoughts turn to warm things like putting blankets on the couch,...

  17. Fall 2013 Course Announcement EEE 598 ADVANCED PHOTOVOLTAICS

    E-Print Network [OSTI]

    Zhang, Junshan

    Fall 2013 Course Announcement EEE 598 ADVANCED PHOTOVOLTAICS Professor Meng Tao (meng a role will photovoltaics play in this new energy infrastructure? There are fundamental bottlenecks for current photovoltaic technologies to become a noticeable source of energy: material availability, energy

  18. UNIVERSITY OF Department of Chemical Engineering Seminar Schedule: Fall 2013

    E-Print Network [OSTI]

    Zapletal, Jindrich

    UNIVERSITY OF FLORIDA Department of Chemical Engineering Seminar Schedule: Fall 2013 26 August Mr (Host: ) Dept. of Chemical Engineering, University of Florida "Spatial-Temporal Instability (Host: Butler) Dept. Chemical & Biomolecular Engineering, University of Illinois "New Frontiers

  19. FALL 2014 Film and Media Studies Guide 1

    E-Print Network [OSTI]

    Subramanian, Venkat

    GUIDEBOOK FALL 2014 #12;Film and Media Studies Guide 1 Table of Contents What is Film and Media Studies? 2 Why Study Film and Media 5 Graduate Certificate in Film & Media Studies 5 Requirements

  20. FALL 2015 Film and Media Studies Guide 1

    E-Print Network [OSTI]

    Subramanian, Venkat

    GUIDEBOOK FALL 2015 #12;Film and Media Studies Guide 1 Table of Contents What is Film and Media Studies? 2 Why Study Film and Media 5 Graduate Certificate in Film & Media Studies 5 Requirements

  1. Global Change and Sustainability Center Fall Seminar Series

    E-Print Network [OSTI]

    Tipple, Brett

    Global Change and Sustainability Center Fall Seminar Series that mitigate negative effects of human activities and sustain ecosystems. Noted project focused on environmental sustainability and funded by a cooperative agreement

  2. Web Page for Math 266 Section 131 Fall 2015

    E-Print Network [OSTI]

    Math 266 Section 131 Fall 2015. Announcements. Extra office hours are Friday, Sept. 25, 1:00-3:00. Here is a flyer showing how to enroll in WileyPLUS for this ...

  3. University of Connecticut Lecture Notes for ME5507 Fall 2014

    E-Print Network [OSTI]

    Chandy, John A.

    University of Connecticut Lecture Notes for ME5507 Fall 2014 Engineering Analysis I Part II: Matrix of Mechanical Engineering University of Connecticut xchen@engr.uconn.edu #12;Xu Chen Matrix, Linear Algebra

  4. University of Connecticut Lecture Notes for ME5507 Fall 2014

    E-Print Network [OSTI]

    Chandy, John A.

    University of Connecticut Lecture Notes for ME5507 Fall 2014 Engineering Analysis I Part I of Mechanical Engineering University of Connecticut xchen@engr.uconn.edu #12;Xu Chen Ordinary Differential

  5. ED1 Exam 2 Problems Fall 2012 Section 16.

    E-Print Network [OSTI]

    Peale, Robert E.

    ED1 Exam 2 Problems Fall 2012 Section 16. 1. Find the scalar and vector potentials of a point charge density is (in SI units) A(r) = (µ0 a/3) ( x r) for r

  6. Idaho Falls Power- Residential Energy Efficiency Loan Program

    Broader source: Energy.gov [DOE]

    Idaho Falls Power's Energy Efficiency Loan Program offers zero interest loans for qualifying customers to purchase and install efficient electric appliances. The program will loan up to 100% of the...

  7. 6.450 Principles of Digital Communication - I, Fall 2002

    E-Print Network [OSTI]

    Gallager, Robert G.

    6.450 was offered in Fall 2002 as a relatively new elective on digital communication. The course serves as an introduction to the theory and practice behind many of today's communications systems. 6.450 forms the first of ...

  8. University of Massachusetts Amherst Forestry alumni survey Fall 2014

    E-Print Network [OSTI]

    Schweik, Charles M.

    University of Massachusetts ­ Amherst Forestry alumni survey ­ Fall 2014 For undergraduate needs ___n=1_ o Personalreasons ___n=1__ o Lack of interest; my priorities changedfromwhen Iwas andplantidentification __5___ Planning ___4__Leadership ___3__Easement monitoring __4___Conflict resolution Other______1

  9. Nonlocal description of a falling body through the air

    E-Print Network [OSTI]

    Kwok Sau Fa

    2008-10-02

    In this present work we consider a falling body through the air under the influence of gravity. In particular, we consider the experimental data based upon the free fall of six men in the atmosphere of the earth. In order to describe this process we employ a nonlocal dissipative force. We show that our description, by using an exponential memory kernel, can fit the experimental data as well as that of a local dissipative force.

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

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE: Alternative Fuelsof EnergyApril 2014DepartmentCouncilOffice of theOpen DataHeat &Opti-MN

  11. First Year SAMPLE FOUR YEAR SCHEDULE FOR POLITICS MAJOR FALL SPRING

    E-Print Network [OSTI]

    Galles, David

    FALL SPRING 1 1 2 2 3 3 4 4 Third Year FALL SPRING 1 1 2 2 3 3 4 4 Fourth Year FALL SPRING 1 1 2 2 3 3First Year SAMPLE FOUR YEAR SCHEDULE FOR POLITICS MAJOR FALL SPRING 1 1 2 2 3 3 4 4 Second Year

  12. Course Number Course Name Prerequisites Semesters Offered C MATH 2325 Functions & Modeling 2413 Fall

    E-Print Network [OSTI]

    Mann, Casey

    MATH 3425 Foundations of Mathematics 2414 Fall, Spring MATH 3315 Linear Algebra and Matrix Theory 2414, 3425 Fall MATH 3336 Abstract Algebra I 3425 Spring MATH 3345 Analysis I 3425 Fall MATH 3365 Geometric Course Name Prerequisites Semesters Offered C MATH 4336 Abstract Algebra II 3336 Fall Pure MATH 4341

  13. Oxygen Atom Transfer and Oxidative Water Incorporation in Cuboidal Mn3MOn Complexes Based on Synthetic, Isotopic Labeling,

    E-Print Network [OSTI]

    Goddard III, William A.

    the cluster. 1. INTRODUCTION Artificial photosynthesis schemes generally involve water as the terminal source, with the MnIV 3CaO4 OEC model being unreactive. The oxidative oxide incorporation into the partial cubane, Mn

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

    E-Print Network [OSTI]

    Zeng, Li

    2007-01-01

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

  15. Magnetic and structural properties of Zn doped MnV{sub 2}O{sub 4}

    SciTech Connect (OSTI)

    Shahi, Prashant; Shukla, K. K.; Singh, Rahul; Chatterjee, Sandip; Das, A.; Ghosh, A. K.; Nigam, A. K.

    2014-04-24

    The magnetization, Neutron diffraction and X-ray diffraction of Zn doped MnV{sub 2}O{sub 4} as a function of temperature have been measured. It has been observed, with increase of Zn the non-linear orientation of Mn spins with the V spins will decrease which effectively decrease the structural transition temperature more rapidly than Curie Temperature.

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

    E-Print Network [OSTI]

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

  17. MN 555 MEMS: Fabrication and Materials Spring 2004 Department of Manufacturing Engineering

    E-Print Network [OSTI]

    Lin, Xi

    MN 555 MEMS: Fabrication and Materials Spring 2004 Instructor Xin Zhang Department of Manufacturing meetings by appointment) 2003-2004 Catalog Data: MN 555 MEMS: Fabrication and Materials This course will explore the world of microelectromechanical devices and systems (MEMS). This requires an awareness

  18. Dietary resveratrol administration increases MnSOD expression and activity in mouse brain

    E-Print Network [OSTI]

    Stuart, Jeffrey A.

    Dietary resveratrol administration increases MnSOD expression and activity in mouse brain Ellen L May 2008 Available online xxxx Keywords: MnSOD Superoxide dismutase Resveratrol Antioxidant enzyme Brain Heart Liver Mitochondria Reactive oxygen species a b s t r a c t trans-Resveratrol (3,40 ,5

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

    E-Print Network [OSTI]

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

    2003-01-01

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

  20. Electric-Field Modulation of Curie Temperature in (Ga, Mn)As Field-Effect Transistor Structures with Varying Channel Thickness and Mn Compositions

    SciTech Connect (OSTI)

    Nishitani, Y.; Endo, M.; Chiba, D.; Matsukura, F.; Ohno, H.

    2010-01-04

    We have investigated the change of T{sub C} of ferromagnetic semiconductor (Ga, Mn)As by changing hole concentration p. The field effect transistor structure was utilized to change p. The relation T{sub C}propor top{sup 0.2} is obtained for three samples, despite the difference of their Mn composition and thickness, indicating that the relation holds over 2 decades of p.

  1. Scanning tunneling microscopy reveals LiMnAs is a room temperature anti-ferromagnetic semiconductor

    SciTech Connect (OSTI)

    Wijnheijmer, A. P.; Koenraad, P. M.; Marti, X.; Holy, V.; Cukr, M.; Novak, V.; Jungwirth, T.

    2012-03-12

    We performed scanning tunneling microscopy and spectroscopy on a LiMnAs(001) thin film epitaxially grown on an InAs(001) substrate by molecular beam epitaxy. While the in situ cleavage exposed only the InAs(110) non-polar planes, the cleavage continued into the LiMnAs thin layer across several facets. We combined both topography and current mappings to confirm that the facets correspond to LiMnAs. By spectroscopy we show that LiMnAs has a band gap. The band gap evidenced in this study, combined with the known Neel temperature well above room temperature, confirms that LiMnAs is a promising candidate for exploring the concepts of high temperature semiconductor spintronics based on antiferromagnets.

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

    SciTech Connect (OSTI)

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

    2000-07-01

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

  3. Three-Dimensional (3D) Bicontinuous Hierarchically Porous Mn?O? Single Crystals for High Performance Lithium-Ion Batteries

    E-Print Network [OSTI]

    Huang, Shao-Zhuan; Jin, Jun; Cai, Yi; Li, Yu; Deng, Zhao; Zeng, Jun-Yang; Liu, Jing; Wang, Chao; Hasan, Tawfique; Su, Bao-Lian

    2015-10-06

    Bicontinuous hierarchically porous Mn?O? single crystals (BHP-Mn?O?-SCs) with uniform parallelepiped geometry and tunable sizes have been synthesized and used as anode materials for lithium-ion batteries (LIBs). The monodispersed BHP-Mn?O?-SCs...

  4. Start | Author Index 742-3 Rates and Mechanisms of Arsenite Oxidation by Nano-Mn(IV) Oxide Mineral Phases.

    E-Print Network [OSTI]

    Sparks, Donald L.

    Start | Author Index 742-3 Rates and Mechanisms of Arsenite Oxidation by Nano-Mn(IV) Oxide Mineral is thought to generally occur through either biologically or mineral-surface mediated Mn(II) oxidation. These two oxidation pathways result in the formation of nanometer-size Mn(IV) minerals. Compared

  5. Math Department TA Positions, Fall 2015 If you are interested in a Math TA position in any of the introductory Calculus courses in Fall

    E-Print Network [OSTI]

    Plotkin, Joshua B.

    Math Department TA Positions, Fall 2015 If you are interested in a Math TA position in any of the introductory Calculus courses in Fall 2015, please fill out the Math Fall 2015 TA Application, which you can to be a Math major. Our students come from all over the University, and our TAs do too. As a TA, your duties

  6. Influence of Mn and Ni on the microstructure and toughness of C-Mn-Ni weld metals

    SciTech Connect (OSTI)

    Zhang, Z.; Farrar, R.A. [Univ. of Southampton (United Kingdom). Dept. of Mechanical Engineering

    1997-05-01

    A systematic investigation has been carried out to study the microstructure and toughness of C-Mn-Ni low-alloy shielded metal arc (SMA) weld metals. The manganese and nickel concentrations were progressively changed to determine their influence on weld microstructure and mechanical properties as well as to identify their interactions. The results obtained showed that manganese and nickel have considerable effect on the weld metal microstructure, and both Mn and Ni affect the microstructure in a similar way, i.e., promoting acicular ferrite at the expense of proeutectoid ferrite (grain boundary ferrite and ferrite sideplates). The results in the top bead also showed that there is an optimum composition range that produces an optimum balance of weld metal microstructures. For optimum toughness, a combination of 0.6--1.4% manganese and 1.0--3.7% nickel is suggested. Additions beyond this limit promotes the formation of martensite and other microstructural features, which may be detrimental to weld metal toughness.

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

    SciTech Connect (OSTI)

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

    2014-03-10

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

  8. Ferromagnetic (Ga,Mn)As nanostructures for spintronic applications

    SciTech Connect (OSTI)

    Wosinski, Tadeusz; Andrearczyk, Tomasz; Figielski, Tadeusz; Makosa, Andrzej; Wrobel, Jerzy; Sadowski, Janusz

    2013-12-04

    Magneto-resistive, cross-like nanostructures have been designed and fabricated by electron-beam lithography patterning and chemical etching from thin epitaxial layers of the ferromagnetic semiconductor (Ga,Mn)As. The nanostructures, composed of two perpendicular nanostripes crossing in the middle of their length, represent four-terminal devices, in which an electric current can be driven through any of the two nanostripes. In these devices, a novel magneto-resistive memory effect, related to a rearrangement of magnetic domain walls in the central part of the device, has been demonstrated. It consists in that the zero-field resistance of a nanostripe depends on the direction of previously applied magnetic field. The nanostructures can thus work as two-state devices providing basic elements of nonvolatile memory cells.

  9. Impedance analysis of MnCoCuO NTC ceramic

    SciTech Connect (OSTI)

    Song, S.G. . E-mail: song-ph0@wpmail.paisley.ac.uk; Ling, Z.; Placido, F.

    2005-07-12

    Impedance spectroscopy is often used to analyse the electrical properties of ceramic materials having high-resistive grain boundaries, such as ZnO and SrTiO{sub 3}. Fewer attempts have been made at using this technique for the analysis of inhomogeneous electronic ceramics consisting of grains with differing composition, such as those occurring in negative temperature coefficient (NTC) thermistors. In this study, we have attempted to adopt ac impedance spectroscopy together with other techniques to analyse an NTC thermistor ceramic material. An Mn, Co and Cu multielements transition metal oxide (MnCoCuO) ceramic was prepared by using homogeneous precipitation employing oxalic acid. This material displayed a typical NTC effect, showing an electrical resistance decrease with temperature when dc electrical measurement was performed. The ac impedance spectroscopy analysis showed that there were two peaks in impedance and conductance versus frequency plot. By using an alternative representation of impedance spectra Z'/f versus Z', three distinct relaxation frequency ranges were identified. They are believed to originate, respectively, from the electrode, phase 1 (rich-Cu phase) and phase 2 (poor-Cu phase) grains existing in this ceramic. SEM observation and EDX analysis clearly showed existence of two distinct phase grains. The resistance values were derived from phases 1 and 2 grains based on ac impedance data. The sum of the resistance values was in good agreement with that from dc measurement in the temperature range of 30-95 deg. C. The material constant, B, for the two phases was also calculated, giving 3100 and 3600 K for phases 1 and 2, respectively.

  10. Potomac State College of West Virginia University Fall Enrollment

    E-Print Network [OSTI]

    Mohaghegh, Shahab

    2014 Fall 2014 Fall 2013 # Difference % Change Total Headcount 1,540 1,660 -120 -7.2% Status Full-time 1,235 1,289 -54 -4.2% Part-time 305 371 -66 -17.8% Residency In-State 1,194 1,144 50 4.4% Out-of-State 346 516 -170 -32.9% Gender Male 697 767 -70 -9.1% Female 843 893 -50 -5.6% Level Undergraduate 1,540 1

  11. BLM Twin Falls District Office | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LISTStar Energy LLC Jump to:Greece: EnergyMontana)District Office Jump to:FallsFalls

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

    SciTech Connect (OSTI)

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

    2010-03-19

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

  13. Recent progress of magnetocaloric effect and magnetic refrigerant materials of Mn compounds (invited)

    SciTech Connect (OSTI)

    Wada, H. Takahara, T.; Katagiri, K.; Ohnishi, T.; Soejima, K.; Yamashita, K.

    2015-05-07

    Magnetocaloric and related properties of Ru and Ni substituted (MnFe){sub 2}(PSi) are presented. It is found that Ru and Ni are effective doping elements to reduce the thermal hysteresis of (MnFe){sub 2}(PSi). The origin of the thermal hysteresis is discussed on the basis of a thermodynamic model. It is shown that the elastic energy is responsible for the thermal hysteresis. We also show recent developments of the production process of Mn compounds in an industrial scale.

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

    SciTech Connect (OSTI)

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

    2013-11-21

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

  15. Long-term surveillance plan for the Falls City Disposal Site, Falls City, Texas. Revision 2

    SciTech Connect (OSTI)

    1996-11-01

    The need for ground water monitoring at the Falls City disposal site was evaluated in accordance with NRC regulations and guidelines established by the DOE in Guidance for Implementing the Long-term Surveillance Program for UMTRA Project Title 1 Disposal Sites (DOE, 1996). Based on evaluation of site characterization data, it has been determined that a program to monitor ground water for demonstration of disposal cell performance based on a set of concentration limits is not appropriate because ground water in the uppermost aquifer is of limited use, and a narrative supplemental standard has been applied to the site that does not include numerical concentration limits or a point of compliance. The limited use designation is based on the fact that ground water in the uppermost aquifer is not currently or potentially a source of drinking water in the area because it contains widespread ambient contamination that cannot be cleaned up using methods reasonably employed by public water supply systems. Background ground water quality varies by orders of magnitude since the aquifer is in an area of redistribution of uranium mineralization derived from ore bodies. The DOE plans to perform post-closure ground water monitoring in the uppermost aquifer as a best management practice (BMP) as requested by the state of Texas.

  16. Physics 619: Fields II Fall 2014 Room: ARC-212

    E-Print Network [OSTI]

    Gustafsson, Torgny

    Physics 619: Fields II Fall 2014 Room: ARC-212 Time: Monday, Thursday 10:20-11:40 AM Instructor: Sergei Lukyanov office: Serin E364 tel: (848) 445-9060 (office) e-mail: sergei@physics.rutgers.edu (the to the published version) can be found at http://web.physics.ucsb.edu/ mark/ms-qft-DRAFT.pdf Homework

  17. Department of Mechanical Engineering Fall 2011 Flowserve Vibration Energy Harvesting

    E-Print Network [OSTI]

    Demirel, Melik C.

    PENNSTATE Department of Mechanical Engineering Fall 2011 Flowserve Vibration Energy Harvesting of these vibrations, Flowseve is looking at using vibration absorbers coupled with energy harvesting technology a steady state DC output The prototype was created using water jet cutting and milling to create the parts

  18. Fall Semester Technical College Course Electrical Engineering Course Requirements

    E-Print Network [OSTI]

    First Year Fall Semester Technical College Course Electrical Engineering Course Requirements ECE Technical College Course Electrical Engineering Course Requirements EGR 281 CSCE 145 ENG 102 ENGL 102 ECE Electrical Engineering Course Requirements EGR 283 CSCE 146 ECE 211 CSCE 211 MAT 242 MATH 242 PHY 222 PHYS

  19. EDAD 560 Educational Leadership Applications FALL 2013 SEMESTER

    E-Print Network [OSTI]

    Diestel, Geoff

    ) the structural framework for American education, and (4) resources related to the administrator's roleSyllabus EDAD 560 Educational Leadership Applications FALL 2013 SEMESTER Instructor: Bobby Ott, Ed.D. Adjunct Professor, Educational Leadership, Department of Professional Education and Policy Studies Texas A

  20. University of California, Berkeley Fall 2003 Energy and Resources Group

    E-Print Network [OSTI]

    Kammen, Daniel M.

    University of California, Berkeley Fall 2003 Energy and Resources Group Advanced Graduate Seminar Public Policy 290 - Energy and Development Professor Daniel M. Kammen Energy and Resources Group as either: Public Policy 290 P019 (CC# 77265), or Energy and Resources 290 P 004 (CC# 27765) Course WWW page

  1. Gender Studies Graduate Student Library Orientation, Fall 2012

    E-Print Network [OSTI]

    Graham, Nick

    collection based on Library of Congress Classification. Depending on your research focus you may require1 Gender Studies Graduate Student Library Orientation, Fall 2012 Research Resources Librarian for Gender Studies: Sylvia Andrychuk andrychs@queensu.ca Office: Stauffer Library, room 107C Queen

  2. Syllabus: Applied Environmental Geophysics MGG 525 Fall 2011, 3 credits

    E-Print Network [OSTI]

    Miami, University of

    1 Syllabus: Applied Environmental Geophysics MGG 525 Fall 2011, 3 credits (Version 110824e) Instructor: Mark Grasmueck, Associate Professor Marine Geology and Geophysics RSMAS University of Miami Tel: The purpose of this course is to familiarize you with the fundamentals of near-surface geophysical site

  3. IEOR 6711: Stochastic Models I Fall 2014, Professor Whitt

    E-Print Network [OSTI]

    Whitt, Ward

    IEOR 6711: Stochastic Models I Fall 2014, Professor Whitt Topics for Discussion: Thursday, October 9 The Renewal Equation, the Renewal Function and the Renewal Theorems Renewal theory involves only a few key ideas. First, renewal theory is about renewal processes. A key quantity is the renewal

  4. Creative Writing Contest OSU-Tulsa, Fall 2013

    E-Print Network [OSTI]

    Veiga, Pedro Manuel Barbosa

    Creative Writing Contest OSU-Tulsa, Fall 2013 OSU-Tulsa announces its seventh annual Creative Writing Contest. The contest is open to all currently enrolled students of OSU-Tulsa, and prizes in length. All entries must be typed. The contest will be judged by OSU-Tulsa instructors and Learning

  5. Creative Writing Contest OSU-Tulsa, Fall 2012

    E-Print Network [OSTI]

    Veiga, Pedro Manuel Barbosa

    Creative Writing Contest OSU-Tulsa, Fall 2012 OSU-Tulsa announces its sixth annual Creative Writing Contest. The contest is open to all currently enrolled students of OSU-Tulsa, and prizes will be awarded. All entries must be typed. The contest will be judged by OSU-Tulsa instructors and Learning Services

  6. Creative Writing Contest OSU-Tulsa, Fall 2014

    E-Print Network [OSTI]

    Veiga, Pedro Manuel Barbosa

    Creative Writing Contest OSU-Tulsa, Fall 2014 OSU-Tulsa announces its seventh annual Creative Writing Contest. The contest is open to all currently enrolled students of OSU-Tulsa, and prizes in length. All entries must be typed. The contest will be judged by OSU-Tulsa instructors and Learning

  7. History 314, Fall 2013 US History and Historiography, 1877 Present

    E-Print Network [OSTI]

    Gering, Jon C.

    1 History 314, Fall 2013 US History and Historiography, 1877 ­ Present Section 01, 12:30 ­ 1:20 MWF Department of History, McClain Hall 214, 785-7102 We need the past as a storehouse of the possibilities. Without the past, the content of the present seems inevitable. Without history, we are left with simple

  8. Fall Semester Technical College Course Civil Engineering Course Requirements

    E-Print Network [OSTI]

    First Year Fall Semester Technical College Course Civil Engineering Course Requirements EGR 275 Technical College Course Civil Engineering Course Requirements EGR 260 ECIV 200 ENG 102 ENGL 102 CHM 111 Civil Engineering Course Requirements EGR 274 EVIC 201 EGR 262 ECIV 210 MAT 240 MATH 241 PHY 222 PHYS

  9. Sustainability Management K4100 Section 001, Fall 2013

    E-Print Network [OSTI]

    Sustainability Management K4100 Section 001, Fall 2013 Time: Wednesdays 6:10-8:00 PM Professor@columbia.edu Sarah Volkman: e-mail: sv2372@columbia.edu Course Objectives: Sustainability management of sustainability management. This is not an academic course that reviews the literature of the field and discusses

  10. School of Forest Resources Fall 2010 Strategic Planning Retreat

    E-Print Network [OSTI]

    Brown, Sally

    School of Forest Resources Fall 2010 Strategic Planning Retreat Tuesday September 21st , 2010, 8 a Budgeting (ABB) Hinckley 1:15-2:00 Group Breakout Sessions West Identify strategic actions/Discussion of Strategic Actions West 3:15-3:30 Closing Remarks and Next Steps Hinckley Door Prize #2 3:30 Reception #12;

  11. OE 603: Oceanography for Ocean Engineers Fall Semester, 2006

    E-Print Network [OSTI]

    Pawlak, Geno

    OE 603: Oceanography for Ocean Engineers Fall Semester, 2006 Tues/Thurs 4:30-5:45 pm Holmes Hall Reading: "Ocean Circulation", The Open University (OC) "Oceanography: An Invitation to Marine Science Physical Oceanography: An Introduction", Pickard and Emery (PE) "Introductory Dynamical Oceanography", Pond

  12. GIS Programming and Customization GIS 6103 -Fall 2014

    E-Print Network [OSTI]

    Hill, Jeffrey E.

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    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)

    2012-12-10

    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.

  6. Prospects for high temperature ferromagnetism in (Ga,Mn)As semiconductors 

    E-Print Network [OSTI]

    Jungwirth, T.; Wang, KY; Masek, J.; Edmonds, KW; Konig, J.; Sinova, Jairo; Polini, M.; Goncharuk, NA; MacDonald, AH; Sawicki, M.; Rushforth, AW; Campion, RP; Zhao, LX; Foxon, CT; Gallagher, BL.

    2005-01-01

    We report on a comprehensive combined experimental and theoretical study of Curie temperature trends in (Ga,Mn)As ferromagnetic semiconductors. Broad agreement between theoretical expectations and measured data allows us to conclude that T-c in high...

  7. Effect of Mn substitution on the transport properties of co-sputtered...

    Office of Scientific and Technical Information (OSTI)

    exhibit a high spin polarization with a high Curie temperature to be applied in spintronic devices, and in order to further study the effect of Mn contents on the physical...

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

    E-Print Network [OSTI]

    Techapiesancharoenkij, Ratchatee, 1979-

    2007-01-01

    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 ...

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

    E-Print Network [OSTI]

    Sparks, Donald L.

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

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

    E-Print Network [OSTI]

    Niu, Yunyun

    Radiation-induced DNA damage is a precursor to mutagenesis and cytotoxicity. During radiotherapy, exposure of healthy tissues can lead to severe side effects. We explored the potential of mitochondrial SOD (MnSOD) gene ...

  11. Growth of GaMnAs under near-stoichiometric conditions

    SciTech Connect (OSTI)

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

    2005-07-15

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

  12. Dispersive magnetic excitations in the S=1 antiferromagnet Ba3Mn2O8

    SciTech Connect (OSTI)

    Stone, Matthew B [ORNL; Lumsden, Mark D [ORNL; Qiu, Y. [National Institute of Standards and Technology (NIST); Samulon, Eric C [Stanford University; Batista, C. D. [Los Alamos National Laboratory (LANL); Fisher, Ian R [Stanford University

    2008-01-01

    We present powder inelastic neutron scattering measurements of the $S=1$ dimerized antiferromagnet Ba$_3$Mn$_2$O$_8$. The $T=1.4$~K~magnetic spectrum exhibits a spin-gap of $\\Delta = 0.9$~meV and a dispersive spectrum with a bandwidth of approximately $1.74$~meV. Comparison to coupled dimer models describe the dispersion and scattering intensity accurately and determine the exchange constants in Ba$_3$Mn$_2$O$_8$. Interdimer exchange between triangular lattice dimer bilayers in Ba$_3$Mn$_2$O$_8$ is two orders of magnitude weaker than intradimer exchange. Ba$_3$Mn$_2$O$_8$ is thus a quasi-two-dimensional frustrated bilayer triangular lattice of $S=1$ dimers. The wave vector dependent scattering intensity confirms the proposed $S=1$ dimer bond. Temperature dependent measurements of the magnetic excitations indicate the presence of both singlet-triplet and thermally activated triplet-quintet excitations.

  13. Ferromagnetic transition temperature enhancement in (Ga,Mn)As semiconductors by carbon codoping 

    E-Print Network [OSTI]

    Jungwirth, T.; Masek, J.; Sinova, Jairo; MacDonald, AH.

    2003-01-01

    We present a theoretical study of (Ga,Mn)(As,C) diluted magnetic semiconductors with high C acceptor density that combines insights from phenomenological model and microscopic approaches. A tight-binding coherent-potential approximation is used...

  14. Decay of neutron-rich Mn nuclides and deformation of heavy Fe isotopes

    E-Print Network [OSTI]

    M. Hannawald; T. Kautzsch; A. Woehr; W. B. Walters; K. -L. Kratz; V. N. Fedoseyev; V. L. Mishin; W. Boehmer; B. Pfeiffer; V. Sebastian; Y. Jading; U. Koester; J. Lettry; H. L. Ravn; the ISOLDE Collaboration

    1998-12-21

    The use of chemically selective laser ionization combined with beta-delayed neutron counting at CERN/ISOLDE has permitted identification and half-life measurements for 623-ms Mn-61 up through 14-ms Mn-69. The measured half-lives are found to be significantly longer near N=40 than the values calculated with a QRPA shell model using ground-state deformations from the FRDM and ETFSI models. Gamma-ray singles and coincidence spectroscopy has been performed for Mn-64 and Mn-66 decays to levels of Fe-64 and Fe-66, revealing a significant drop in the energy of the first 2+ state in these nuclides that suggests an unanticipated increase in collectivity near N=40.

  15. Quantum Chemical Study of Arsenic (III, V) Adsorption on Mn-Oxides

    E-Print Network [OSTI]

    Sparks, Donald L.

    sites under simulated acidic pH conditions. Therefore, we propose that As(V) adsorption inhibits As(III) oxidation by blocking adsorption sites. Under simulated acidic pH conditions, Mn(IV) sites exhibited

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

    E-Print Network [OSTI]

    Gilli, Adrian

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

  17. Magnetism of NiMn2O4-Fe3O4 spinel interfaces

    E-Print Network [OSTI]

    Nelson-Cheeseman, B. B.

    2007-01-01

    2 O 4 –Fe 3 O 4 spinel interfaces B. B. Nelson-Cheeseman,isostructural spinel-spinel interface of NiMn 2 O 4 (NMO)–Feis preserved, both bulk and interface sensitive measurements

  18. Theatre Circle INSIGHTS Special Edition -Fall 2011Theatre Circle INSIGHTS Special Edition -Fall 2011 Indiana University Department of Theatre and DramaIndiana University Department of Theatre and Drama

    E-Print Network [OSTI]

    Indiana University

    Theatre Circle INSIGHTS Special Edition - Fall 2011Theatre Circle INSIGHTS Special Edition - Fall and the local economy. We created a High School Intern program that

  19. 125 total creditsMar. 15, 2013 (offered Fall/Spring)

    E-Print Network [OSTI]

    Carver, Jeffrey C.

    125 total creditsMar. 15, 2013 CH 101 General Chemistry 4 cr ECE 121 or ENGR 111 1 cr (offered Fall to Linear Algebra 3 cr ECE 285 Prog. for ECE 3 cr (offered Fall/Spring) CS 150 Programming I 2 cr PH106 cr (offered Fall/Spring) CS 351 CS Programming III 2 cr ECE380 Digital Logic 4 cr (offered Fall

  20. 125 total creditsMar. 15, 2013 (offered Fall/Spring)

    E-Print Network [OSTI]

    Carver, Jeffrey C.

    125 total creditsMar. 15, 2013 CH 101 General Chemistry 4 cr ECE 121 or ENGR 111 1 cr (offered Fall to Linear Algebra 3 cr ECE 285 Prog. for ECE 3 cr (offered Fall/Spring) CS 150 Programming I 2 cr PH106 cr (offered Fall/Spring) CS 351 CS Programming III 2 cr ECE 380 Digital Logic 4 cr (offered Fall

  1. Dr. Campbell's Bio111 Exam #3 Fall 2002 Fall 2002 Biology 111 Exam #3 BioEnergetics

    E-Print Network [OSTI]

    Campbell, A. Malcolm

    a list with the names of leaf pigments in one column and colors of light absorbed in the second column. List as many as you can remember. #12;Dr. Campbell's Bio111 Exam #3 ­ Fall 2002 3 6 pts. 4) Why do plants need water? b) Do plants ever produce CO2 as a waste product? #12;Dr. Campbell's Bio111

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

    SciTech Connect (OSTI)

    Pei, L.Z. Xie, Y.K.; Pei, Y.Q.; Jiang, Y.X.; Yu, H.Y.; Cai, Z.Y.

    2013-07-15

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

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

    SciTech Connect (OSTI)

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

    2008-01-01

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

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

    SciTech Connect (OSTI)

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

    2013-12-16

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

  5. The structure of the Caenorhabditis elegans manganese superoxide dismutase MnSOD-3-azide complex

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

    Hunter, Gary J.; Trinh, Chi H.; Bonetta, Rosalin; Stewart, Emma E.; Cabelli, Diane E.; Hunter, Therese

    2015-08-27

    C. elegans MnSOD-3 has been implicated in the longevity pathway and its mechanism of catalysis is relevant to the aging process and carcinogenesis. The structures of MnSOD-3 provide unique crystallographic evidence of a dynamic region of the tetrameric interface (residues 41–54). We have determined the structure of the MnSOD-3-azide complex to 1.77-Å resolution. The analysis of this complex shows that the substrate analog, azide, binds end-on to the manganese center as a sixth ligand and that it ligates directly to a third and new solvent molecule also positioned within interacting distance to the His30 and Tyr34 residues of the substratemore »access funnel. This is the first structure of a eukaryotic MnSOD-azide complex that demonstrates the extended, uninterrupted hydrogen-bonded network that forms a proton relay incorporating three outer sphere solvent molecules, the substrate analog, the gateway residues, Gln142, and the solvent ligand. This configuration supports the formation and release of the hydrogen peroxide product in agreement with the 5-6-5 catalytic mechanism for MnSOD. The high product dissociation constant k? of MnSOD-3 reflects low product inhibition making this enzyme efficient even at high levels of superoxide.« less

  6. EE 361 Fall 2003 University of Hawaii 1 Hardware Design Tips

    E-Print Network [OSTI]

    Sasaki, Galen H.

    1 EE 361 Fall 2003 University of Hawaii 1 Hardware Design Tips EE 361 University of Hawaii EE 361 Fall 2003 University of Hawaii 2 Outline · Verilog: some subleties · Simulators · Test Benching · Implementing the MIPS ­ Actually a simplified 16 bit version #12;2 EE 361 Fall 2003 University of Hawaii 3

  7. AMERICAN GERIATRICS SOCIETY CONSENSUS STATEMENT Vitamin D for Prevention of Falls and

    E-Print Network [OSTI]

    Oliver, Douglas L.

    AMERICAN GERIATRICS SOCIETY CONSENSUS STATEMENT Vitamin D for Prevention of Falls and their Consequences in Older Adults Developed by the Workgroup of the Consensus Conference on Vitamin D for the Prevention of Falls and their Consequences #12;CONSENSUS STATEMENT:Vitamin D for Prevention of Falls

  8. Rendering falling snow using an inverse Fourier transform Michael S. Langer

    E-Print Network [OSTI]

    Langer, Michael

    Rendering falling snow using an inverse Fourier transform Michael S. Langer School of Computer snow, non-photorealistic rendering Methods for rendering falling snow typically use particle sys- tems we present an alter- native method for rendering falling snow which does not use parti- cles

  9. FIRST YEAR-FALL HOURS FIRST YEAR-SPRING HOURS GT 1000 FRESHMAN SEMINAR* 1

    E-Print Network [OSTI]

    Gaucher, Eric

    ELECTIVE(S) 3 TOTAL SEMESTER HOURS 15 or 16 TOTAL SEMESTER HOURS 15 or 16 FOURTH YEAR-FALL HOURS FOURTHFIRST YEAR-FALL HOURS FIRST YEAR-SPRING HOURS GT 1000 FRESHMAN SEMINAR* 1 ENGL 1101 ENGLISH YEAR-FALL HOURS SECOND YEAR-SPRING HOURS BIOL 2335 ECOLOGY OR BIOL 2354 HONORS GENETICS 3 BIOL 2337

  10. 11/18/2004 Comp 120 Fall 2004 1 18 November

    E-Print Network [OSTI]

    Bishop, Gary

    ·1 11/18/2004 Comp 120 Fall 2004 1 18 November · 3 classes to go · No class on Tuesday 23 November · Last 2 classes will be survey and exam review · Interconnect and IO 11/18/2004 Comp 120 Fall 2004 2 Interconnect: Busses 11/18/2004 Comp 120 Fall 2004 3 Goals of Interconnect 1. Modularity · Everything doesn

  11. 28 September 2004 Comp 120 Fall 2004 1 28 September 2004

    E-Print Network [OSTI]

    Bishop, Gary

    ·1 28 September 2004 Comp 120 Fall 2004 1 28 September 2004 · Questions? · Test Review · Chapter 4.10 28 September 2004 Comp 120 Fall 2004 2 Grade Distribution 0 1 2 3 4 5 6 7 8 20 30 40 50 60 70 80 Series1 Mean = 60, Min = 21, Max = 84, Standard Deviation = 17 28 September 2004 Comp 120 Fall 2004 3

  12. 10/21/2004 Comp 120 Fall 2004 1 Only 12 to go!

    E-Print Network [OSTI]

    Bishop, Gary

    ·1 10/21/2004 Comp 120 Fall 2004 1 21 October · Only 12 to go! · Been to the Fair? · Assignment 9 due 28th instead of 26th · Today Control 10/21/2004 Comp 120 Fall 2004 2 Synchronous Systems Latch leading clock edge. Clock data 10/21/2004 Comp 120 Fall 2004 3 Asynchronous Systems Latch Combinational

  13. 11/30/2004 Comp 120 Fall 2004 1 30 November

    E-Print Network [OSTI]

    Bishop, Gary

    ·1 11/30/2004 Comp 120 Fall 2004 1 30 November · 2 classes to go · Nutrition Survey · Questions · Course survey · CCR 11/30/2004 Comp 120 Fall 2004 2 Questions · What distinguishes CISC from RISC? · What about "BIG" constants? · What's up with Endians? 11/30/2004 Comp 120 Fall 2004 3 4.14 What is 0x8FEFC000

  14. 9/23/2004 Comp 120 Fall 2004 1 23 September

    E-Print Network [OSTI]

    Bishop, Gary

    ·1 9/23/2004 Comp 120 Fall 2004 1 23 September · Chapter 4 ­ Arithmetic and its implementation · Assignments 5,6 and 7 posted to the class web page 9/23/2004 Comp 120 Fall 2004 2 Arithmetic · Where we result a b ALU 9/23/2004 Comp 120 Fall 2004 3 · Bits are just bits (no inherent meaning) -- conventions

  15. 2004 AGU Fall Meeting SM42A-05 Hemispheric Asymmetries in the

    E-Print Network [OSTI]

    Fillingim, Matthew

    2004 AGU Fall Meeting SM42A-05 Hemispheric Asymmetries in the Dayside Aurora M. O. Fillingim, M of California, Berkeley Southern Hemisphere Polar UVI Northern Hemisphere IMAGE WIC #12;2004 AGU Fall Meeting SM #12;2004 AGU Fall Meeting SM42A-05 Introduction (cont'd) Previous conjugate observations limited

  16. 11/9/2004 Comp 120 Fall 2004 1 7 classes to go!

    E-Print Network [OSTI]

    Bishop, Gary

    ·1 11/9/2004 Comp 120 Fall 2004 1 November 9 · 7 classes to go! · Email questions to me ­ Topics: Virtual Memory 11/9/2004 Comp 120 Fall 2004 2 Virtual Memory ·Main memory is a CACHE for disk ·Advantages: ·illusion of having more physical memory ·program relocation ·protection 11/9/2004 Comp 120 Fall 2004 3

  17. 123 total creditsSept 29, 2014 (offered Fall/Spring)

    E-Print Network [OSTI]

    Carver, Jeffrey C.

    123 total creditsSept 29, 2014 CH 101 General Chemistry 4 cr ECE 121 or ENGR 111 1 cr (offered Fall Applied Diff. Equations I 3 cr ECE 225 Electric Circuits 4 cr (offered Fall/Spring) ECE 380 Digital Logic 4 cr (offered Fall/Spring) MATH 355 Theory of Probability 3 cr ECE 370 Signals & Systems 3 cr

  18. Appendices for: Proposed ESA Recovery Plan for Snake River Fall Chinook Salmon

    E-Print Network [OSTI]

    predominately in the mainstem of the Snake River and some of its major tributaries. Like other fall-run Chinook initiated a 5-year status review for 32 species of salmon and steelhead, including Snake River Fall-RunAppendices for: Proposed ESA Recovery Plan for Snake River Fall Chinook Salmon (Oncorhynchus

  19. Method and apparatus for reading free falling dosimeter punchcodes

    DOE Patents [OSTI]

    Langsted, James M. (Golden, CO)

    1992-12-22

    A punchcode reader is provided for reading data encoded in a punchcode hole array on a dosimeter. The dosimeter falls through a passage in the reader containing photosensor detectors disposed along the passage which provide output signals to a microprocessor. The signals are processed to determine the orientation of the dosimeter in the reader, the location and state of punchcode holes in a two row array thereby decoding the encoded data. Multiple rate of fall calculations are made, and if appropriate matching of the punchcode array is not obtained in three tries, an error signal is outputted to the operator. The punchcode reader also provides for storage of data from multiple dosimeters passed through the reader, and for the output of decoded data to an external display or a computer for further processing.

  20. Method and apparatus for reading free falling dosimeter punchcodes

    DOE Patents [OSTI]

    Langsted, J.M.

    1992-12-22

    A punchcode reader is provided for reading data encoded in a punchcode hole array on a dosimeter. The dosimeter falls through a passage in the reader containing photosensor detectors disposed along the passage which provide output signals to a microprocessor. The signals are processed to determine the orientation of the dosimeter in the reader, the location and state of punchcode holes in a two row array thereby decoding the encoded data. Multiple rate of fall calculations are made, and if appropriate matching of the punchcode array is not obtained in three tries, an error signal is output to the operator. The punchcode reader also provides for storage of data from multiple dosimeters passed through the reader, and for the output of decoded data to an external display or a computer for further processing. 8 figs.

  1. ROLE OF TRIVALENT Mn IN OXIDATION OF ORGANIC MATTER Christopher J. Matocha and D.L. Sparks

    E-Print Network [OSTI]

    Sparks, Donald L.

    organic matter^ M AT E R I A L S A N D M E T H O D S Reactivity studies of solid Mn(lll,IV) (hydr) oxide of available Mn(lli). R E S U L T S No correlation existed between the initial reductive dissolution ratesROLE OF TRIVALENT Mn IN OXIDATION OF ORGANIC MATTER Christopher J. Matocha and D.L. Sparks Dept

  2. Large scale and fast synthesis of multiferroic TbMn{sub 2}O{sub 5} single-crystalline nanorods

    SciTech Connect (OSTI)

    An, Xiaoxin; Wang, You; Deng, Jinxia; Chen, Jun, E-mail: junchen@ustb.edu.cn; Xing, Xianran, E-mail: xing@ustb.edu.cn

    2014-03-01

    Graphical abstract: - Highlights: • Pure TbMn{sub 2}O{sub 5} phase was synthesized in a wide temperature range for a short time. • Smooth and uniform single-crystalline nanorods were obtained. • The element Mn in TbMn{sub 2}O{sub 5} exhibits a mix Mn{sup 3+/4+} valence state with an average value of 3.5+, and the element Tb exhibits Tb{sup 3+}. - Abstract: Crystalline multiferroic TbMn{sub 2}O{sub 5} nanorods were successfully synthesized by a facile and scalable molten salt synthesis with NaCl–Na{sub 2}SO{sub 4} eutectic salts used in the temperature range of 750–900 °C for only 2 h. The obtained TbMn{sub 2}O{sub 5} could be indexed to an orthorhombic phase by the results of XRD patterns. Scanning electron microscopy (SEM), transmission electron microscopy (TEM), combined with high-resolution TEM (HRTEM), selected area electron diffraction (SAED), and EDS, have been employed to investigate the morphology, size, crystallinity, structure, and composition of the as-synthesized TbMn{sub 2}O{sub 5} nanorods. The TbMn{sub 2}O{sub 5} product exhibits smooth, uniform and crystalline nanorods with diameters of 30–70 nm, and length of varying from 3 to 6 ?m. The results of X-ray photoelectron spectroscopy (XPS) analysis indicate that the elements Mn and Tb in TbMn{sub 2}O{sub 5} exhibit Mn{sup 3+/4+} and Tb{sup 3+}, respectively. The magnetic properties of the as-prepared TbMn{sub 2}O{sub 5} nanorods have been also characterized by physical properties measurement system (PPMS)

  3. Growing Fall Vegetables and Annuals in South Central Texas. 

    E-Print Network [OSTI]

    Parsons, Jerry; Cotner, Sam; Johnson, Jerral; Janne, Everett; Stewart, J. W.; Roberts, Roland; Johnson, Shirley

    1979-01-01

    many spring-planted crops such as tomatoes, eggplants and peppers can be grown until the first killing frost, provided the plants remain healthy. In the southern areas of the state, home gardeners should begin fall gardens anew rather than trying.... Frost protection and the planting of a cereal rye cover crop are facilitated if such a grouping system is used. Frost-susceptible vege tables include beans, cantaloupes, corn, cucum bers, eggplants, okra, peas, peppers, Irish potatoes, sweet...

  4. Fall and Winter Health Problems in Cow-Calf Herds 

    E-Print Network [OSTI]

    Faries Jr., Floron C.

    2005-09-09

    ?downer? stage, becoming unable to rise. In many cases, the cattle may die. Producers can prevent or minimize health problems in the fall and winter by reducing the stresses caused by inadequate nutrition, sudden feeding changes and poor sanitation... gland or udder ? Bacterial foot rot, an infection causing swelling or lameness in one or more feet To reduce the occurrences of these and other soil- borne diseases, move the haying areas periodically to maintain good environmental sanitation. Nasty...

  5. Page 1 of 8 CHEMISTRY 3311, Fall 2001

    E-Print Network [OSTI]

    Walba, David

    Name: Page 1 of 8 CHEMISTRY 3311, Fall 2001 Professor Walba Third Hour Exam November 15, 2001-book "open model" exam. You may use models, but no notes or books. Please put all your answers on the test. Use the backs of the pages for scratch. H He Li Be B C N O F Na Mg Al Si P S Ne Cl Ar Br I 1 2 3 4 5 6

  6. EIS-0156: Cowlitz Falls Final Environmental Impact Statement

    Broader source: Energy.gov [DOE]

    The Federal Energy Regulatory Commission prepared this statement to assess the environmental impacts of constructing and operating a proposed 70-megawatt hydroelectric dam and electrical infrastructure on the Cowlitz River near Morton and Randle, Washington. The U.S. Department of Energy's Bonneville Power Administration adopted this statement on 12/6/1990 to fulfil its National Environmental Policy Act requirement for its proposed action to acquire the power output from the Cowlitz Falls Hydroelectric Project.

  7. Rib Falls, Wisconsin: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onRAPID/Geothermal/Exploration/ColoradoRemsenburg-Speonk, New York: EnergyOpenReykjanes GeothermalFalls, Wisconsin: Energy

  8. Sioux Falls, South Dakota: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-Enhancing Capacity forSilicium de Provence SASSinem GeothermalGroupFalls, South

  9. Office of Indian Energy Newsletter: Fall 2012 | Department of Energy

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematicsEnergyInterested Parties -DepartmentAvailableHigh SpatialElectricityLeads,ResearchFall 2012

  10. Operating Experience Level 3, Fall Protection Can Prevent Serious Injuries

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematicsEnergyInterested Parties -DepartmentAvailableHighOffice| Department of Energy Fall

  11. The Better Buildings Neighborhood View -- Fall 2011 | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankADVANCEDInstallers/ContractorsPhotovoltaics »TanklessResearchEnergy2Fall 2011 The Better Buildings

  12. Electron scattering mechanisms in Cu-Mn films for interconnect applications

    SciTech Connect (OSTI)

    Misják, F.; Nagy, K. H.; Radnóczi, G.; Lobotka, P.

    2014-08-28

    Electrical properties and corresponding structural features of Cu-Mn alloy films with potential application as barrier and interconnect layers were studied. Cu-Mn films were deposited by DC magnetron sputtering at room temperature on SiO{sub 2} substrates. Electrical resistivity measurements were made as a function of film composition and temperature. The specific resistivity varies linearly with the Mn content showing a maximum of 205???cm at 80 at. % Mn. The temperature coefficient of resistance (TCR) of all alloy films is low, showing non-metallic conductivity for most compositions. Also a minimum TCR has been observed in the 40–80 at. % Mn range which was attributed to a magnetic transformation around 200–300?K. Electrical resistivity measurements are correlated with the film structure revealed by transmission electron microscopy to clarify the phase regions throughout the composition range. In the 20–40 at. % and 70–80 at. % Mn ranges, two-phase structures were identified, where Cu- or Mn-rich solid solution grains were surrounded by a thin amorphous covering layer. Based on the revealed phase regions and morphologies electron scattering mechanisms in the system were evaluated by combining the Matthiessen's rule and the Mayadas-Schatzkes theory. Grain boundary reflectivity coefficients (r?=?0.6–0.8) were calculated from fitting the model to the measurements. The proposed model indicates that, in a binary system, the special arrangement of the two phases results in new scattering mechanisms. The results are of value in optimizing the various parameters needed to produce a suitable barrier layer.

  13. Geophysical test of the universality of free-fall

    E-Print Network [OSTI]

    Sachie Shiomi

    2008-11-24

    We point out that the universality of free-fall can be tested by observing surface-gravity changes of the Earth. The Earth's inner core is weakly coupled to the rest part of the Earth by mainly gravitational forces. If there were a violation of the universality of free-fall, because of their different chemical compositions and/or of different mass fractions of binding energies, the inner core and the rest part of the Earth would fall at different rates towards the Sun and other sources of gravitational fields. The differential acceleration could be observed as surface-gravity effects. By assuming a simple Earth model, we discuss the expected surface-gravity effects of violations of the universality and experiments to search for such effects by using superconducting gravimeters. It is shown that the universality can be tested to a level of 10$^{-9}$ using currently operating superconducting gravimeters. Some improvements can be expected from combinations of global measurements and applications of advanced data analyses.

  14. Properties of Ga{sub 1-x}Mn{sub x}As with high x (>0.1)

    SciTech Connect (OSTI)

    Chiba, D.; Yu, K. M.; Walukiewicz, W.; Nishitani, Y.; Matsukura, F.; Ohno, H.

    2008-04-01

    We have investigated the magnetic and the crystalline properties of a set of Ga{sub 1-x}Mn{sub x}As layers with high nominal Mn compositions (x=0.101-0.198). Magnetization measurements and combined channeling Rutherford backscattering (c-RBS) and particle induced x-ray emission (c-PIXE) measurements have been performed to determine the effective Mn composition x{sub eff} and the fraction of Mn atoms at various lattice sites. Here, x{sub eff} determined from magnetization measurements, which increases with increasing x, is consistent with the results determined from c-RBS-PIXE measurements.

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

    E-Print Network [OSTI]

    Zeng, Li

    2007-01-01

    a test bed for simple spintronic devices. (In, Mn)As and (in novel electronic and spintronic materials have drawnpotential applications as spintronic materials. While many

  16. Electronic structure study of the magnetoresistance material CaCu3Mn4O12 by LSDA and LSDAU

    E-Print Network [OSTI]

    Gong, Xingao

    -like orbitals (dxy ,dyz , and dxz are almost full-filled, while the spin-up eg-like orbitals (d3z2 r2 and dx2 y2 of Mn3 (t2g 3 eg 1 ) and Mn4 (t2g 3 eg 0 ). Three spin- polarized d electrons in the t2g orbital of Mn3 and Mn4 cations form an inert spin core S 3/2, and the last one eg electron is itinerant. The eg electron

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

    SciTech Connect (OSTI)

    West, J. Palmer; Sulejmanovic, Dino; Becht, Gregory; He, Jian; Hitchcock, Dale; Yan, Yonggao; Hwu, Shiou-Jyh

    2013-10-15

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

  18. Comparison of LiMnPO4 made by Combustion and Hydrothermal Syntheses

    SciTech Connect (OSTI)

    Chen, Jiajun; Doeff, Marca M.; Wang, Ruigang

    2008-05-15

    Among the olivine-structured metal phosphate family, LiMnPO{sub 4} exhibits a high discharge potential (4V), which is still compatible with common electrolytes, making it interesting for use in the next generation of Li ion batteries. The extremely low electronic conductivity of this material severely limits its electrochemical performance, however. One strategy to overcome this limitation is to make LiMnPO{sub 4} nanoparticulate to decrease the diffusion distance. Another is to add a carbon or other conductive coating in intimate contact with the nanoparticles of the main phase, as is commonly done with LiFePO{sub 4}. The electrochemical performance of LiFePO{sub 4} is highly dependent on the quality of the carbon coatings on the particles [1-2], among other variables. Combustion synthesis allows the co-synthesis of nanoparticles coated with carbon in one step. Hydrothermal synthesis is used industrially to make LiFePO{sub 4} cathode materials [3] and affords a good deal of control over purity, crystallinity, and particle size. A wide range of olivine-structured materials has been successfully prepared by this technique [4], including LiMnPO{sub 4} in this study. In this paper, we report on the new synthesis of nano-LiMnPO{sub 4} by a combustion method. The purity is dependent upon the conditions used for synthesis, including the type of fuel and precursors that are chosen. The fuel to nitrate ratio influences the combustion temperature, which determines the type and amount of carbon found in the LiMnPO{sub 4} composites. This can further be modified by use of carbon structural modifiers added during a subsequent (optional) calcination step. Figure 1 shows a transmission electron microscopy (TEM) image of the spherical nano-sized LiMnPO{sub 4} particles typically formed by combustion synthesis. The average particle size is around 30 nm, in agreement with values obtained by the Rietveld refinement of XRD patterns. The small size of the particles cause the peak broadening evident in the pattern of combustion formed LiMnPO{sub 4}, shown in Figure 2. Figure 2 also shows a pattern of hydrothermally prepared LiMnPO{sub 4}, which is sub-micron in size. In this presentation, we will show how the crystallographic parameters, particle size, particle morphology, and carbon content and structure impact the electrochemical properties of the LiMnPO{sub 4}/C composites produced by these methods.

  19. Comparison of LiMnPO4 made by Combustion and Hydrothermal Syntheses

    SciTech Connect (OSTI)

    Chen, Jiajun; Doeff, Marca M.; Wang, Ruigang

    2008-10-12

    Among the olivine-structured metal phosphate family, LiMnPO{sub 4} exhibits a high discharge potential (4V), which is still compatible with common electrolytes, making it interesting for use in the next generation of Li ion batteries. The extremely low electronic conductivity of this material severely limits its electrochemical performance, however. One strategy to overcome this limitation is to make LiMnPO{sub 4} nanoparticulate to decrease the diffusion distance. Another is to add a carbon or other conductive coating in intimate contact with the nanoparticles of the main phase, as is commonly done with LiFePO{sub 4}. The electrochemical performance of LiFePO{sub 4} is highly dependent on the quality of the carbon coatings on the particles, among other variables. Combustion synthesis allows the co-synthesis of nanoparticles coated with carbon in one step. Hydrothermal synthesis is used industrially to make LiFePO{sub 4} cathode materials and affords a good deal of control over purity, crystallinity, and particle size. A wide range of olivine-structured materials has been successfully prepared by this technique, including LiMnPO{sub 4} in this study. In this paper, we report on the new synthesis of nano-LiMnPO{sub 4} by a combustion method. The purity is dependent upon the conditions used for synthesis, including the type of fuel and precursors that are chosen. The fuel to nitrate ratio influences the combustion temperature, which determines the type and amount of carbon found in the LiMnPO{sub 4} composites. This can further be modified by use of carbon structural modifiers added during a subsequent (optional) calcination step. Figure 1 shows a transmission electron microscopy (TEM) image of the spherical nano-sized LiMnPO{sub 4} particles typically formed by combustion synthesis. The average particle size is around 30 nm, in agreement with values obtained by the Rietveld refinement of XRD patterns. The small size of the particles cause the peak broadening evident in the pattern of combustion formed LiMnPO{sub 4}, shown in Figure 2. Figure 2 also shows a pattern of hydrothermally prepared LiMnPO{sub 4}, which is sub-micron in size. In this presentation, we will show how the crystallographic parameters, particle size, particle morphology, and carbon content and structure impact the electrochemical properties of the LiMnPO{sub 4}/C composites produced by these methods.

  20. Disorder dependent half-metallicity in Mn{sub 2}CoSi inverse Heusler alloy

    SciTech Connect (OSTI)

    Singh, Mukhtiyar; Saini, Hardev S.; Thakur, Jyoti; Reshak, Ali H.; Kashyap, Manish K.

    2013-12-15

    Heusler alloys based thin-films often exhibit a degree of atomic disorder which leads to the lowering of spin polarization in spintronic devices. We present ab-initio calculations of atomic disorder effects on spin polarization and half-metallicity of Mn{sub 2}CoSi inverse Heusler alloy. The five types of disorder in Mn{sub 2}CoSi have been proposed and investigated in detail. The A2{sub a}-type and B2-type disorders destroy the half-metallicity whereas it sustains for all disorders concentrations in DO{sub 3a}- and A2{sub b}-type disorder and for smallest disorder concentration studied in DO{sub 3b}-type disorder. Lower formation energy/atom for A2{sub b}-type disorder than other four disorders in Mn{sub 2}CoSi advocates the stability of this disorder. The total magnetic moment shows a strong dependence on the disorder and the change in chemical environment. The 100% spin polarization even in the presence of disorders explicitly supports that these disorders shall not hinder the use of Mn{sub 2}CoSi inverse Heusler alloy in device applications. - Graphical abstract: Minority-spin gap (E{sub g?}) and HM gap (E{sub sf}) as a function of concentrations of various possible disorder in Mn{sub 2}CoSi inverse Heusler alloy. The squares with solid line (black color)/dotted line (blue color)/dashed line (red color) reperesents E{sub g?} for DO{sub 3a}-/DO{sub 3b}-/A2{sub b}-type disorder in Mn{sub 2}CoSi and the spheres with solid line (black color)/dottedline (blue color)/dashed line (red color) represents E{sub sf} for DO{sub 3a}-/DO{sub 3b}-/A2{sub b}-type disorder in Mn{sub 2}CoSi. - Highlights: • The DO{sub 3}- and A2-type disorders do not affect the half-metallicity in Mn{sub 2}CoSi. • The B2-type disorder solely destroys half-metallicity in Mn{sub 2}CoSi. • The A2-type disorder most probable to occur out of all three types. • The total spin magnetic moment strongly depends on the disorder concentrations.

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

    SciTech Connect (OSTI)

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

    2007-08-01

    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.

  2. Fall 2009 Summer 2013 (Updated: 6/24/14 cml) UM-EECS: Electrical Engineering 1 Fall 2009 -Summer 2013 Electrical Engineering Program

    E-Print Network [OSTI]

    Cafarella, Michael J.

    Fall 2009 ­ Summer 2013 (Updated: 6/24/14 cml) UM-EECS: Electrical Engineering 1 Fall 2009 - Summer 2013 Electrical Engineering Program Electrical Engineering & Computer Science Department Undergraduate in Electrical Engineering, one of the three undergraduate degrees offered by the Department of Electrical

  3. S:\\Registration & Records\\Term Communications\\2012 Fall\\Fall 2012 Freshmen Registration Document.docx 1 of 1 JOHNS HOPKINS UNIVERSITY

    E-Print Network [OSTI]

    Connor, Ed

    . Sign in with your JHED ID and enter your password 3. Under Registration, select Search for Classes 4 and enter your password 3. Under Registration, select Search for Classes/Registration 4. Ensure the AcademicS:\\Registration & Records\\Term Communications\\2012 Fall\\Fall 2012 Freshmen Registration Document

  4. Fall Electronic Bulletin 2014 The Center for Real Estate is pleased to present our Fall E-Bulletin. We hope that you enjoy

    E-Print Network [OSTI]

    Kheradvar, Arash

    Fall Electronic Bulletin 2014 The Center for Real Estate is pleased to present our Fall E IN REVIEW & SIGNATURE VIDEO UCI CENTER FOR REAL ESTATE NAMES NEW EXECUTIVE DIRECTOR 2014 EVENT HIGHLIGHTS 2014 REAL ESTATE AWARDS LUNCHEON HONORS EMILE HADDAD 10/30/14 CRE BREAKFAST SERIES 10/7/14 REAL ESTATE

  5. Fall Electronic Bulletin 2013 The Center for Real Estate is pleased to present our Fall E-Bulletin. We hope that you enjoy this

    E-Print Network [OSTI]

    Kheradvar, Arash

    Fall Electronic Bulletin 2013 The Center for Real Estate is pleased to present our Fall E Chairs New Public Real Estate Course Offering ­ Argus Training 2013 EVENT HIGHLIGHTS CRE Breakfast Flow College Series Welcome New Real Estate Lecturers 2013-2014 CRE NAIOP SOCAL Fellow Spotlight

  6. Electronic structural and magnetic properties of Mn{sub 5}Ge{sub 3} clusters

    SciTech Connect (OSTI)

    Yuan, H. K.; Chen, H. Kuang, A. L.; Tian, C. L.; Wang, J. Z.

    2013-11-28

    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.

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

    SciTech Connect (OSTI)

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

    2014-08-18

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

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

    SciTech Connect (OSTI)

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

    2014-10-23

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

  9. Conditioning effects on La1-xSrxMnO3-Yttria stabilized Zirconia electrodes for thin-film solid oxide fuel cells

    E-Print Network [OSTI]

    2002-01-01

    x MnO 3 -Yttria Stabilized Zirconia Electrodes for Thin-FilmMnO 3 -yttria stabilized zirconia) were deposited onto dense1.5 h in acetone, using zirconia milling media. The LSM- YSZ

  10. Spectroscopy of jet-cooled AlMn and trends in the electronic structure of the 3d transition metal aluminides

    E-Print Network [OSTI]

    Morse, Michael D.

    Spectroscopy of jet-cooled AlMn and trends in the electronic structure of the 3d transition metal, Utah 84112 (Received 9 May 1994; accepted 28 June 1994) Jet-cooled diatomic AlMn has been

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

    E-Print Network [OSTI]

    Minnesota, University of

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

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

    E-Print Network [OSTI]

    Cui, Yi

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

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

    E-Print Network [OSTI]

    Cui, Yi

    Mn3O4-Graphene Hybrid as a High-Capacity Anode Material for Lithium Ion Batteries Hailiang Wang hybrid materials of Mn3O4 nanoparticles on reduced graphene oxide (RGO) sheets for lithium ion battery-cost, and environ- mentally friendly anode for lithium ion batteries. Our growth-on- graphene approach should offer

  14. Iron-based soft magnetic composites with MnZn ferrite nanoparticles coating obtained by solgel method

    E-Print Network [OSTI]

    Volinsky, Alex A.

    Iron-based soft magnetic composites with Mn­Zn ferrite nanoparticles coating obtained by sol nanoparticles to coat iron powder. The nanocrystalline iron powders, with an average particle diameter of 20 nm­Zn ferrites. Mn­Zn ferrite uniformly coated the surface of the powder particles, resulting in a reduced

  15. Synthesis of MnO{sub 2}-graphene composites with enhanced supercapacitive performance via pulse electrodeposition under supergravity field

    SciTech Connect (OSTI)

    Liu, Tingting; Shao, Guangjie; Ji, Mingtong; Wang, Guiling

    2014-07-01

    A method of pulse electrodeposition under supergravity field was proposed to synthesize MnO{sub 2}-graphene composites. Supergravity is very efficient for promoting mass transfer and decreasing concentration polarization during the electrodeposition process. The synthesis was conducted on our homemade supergravity equipment. The strength of supergravity field depended on the rotating speed of the ring electrode. 3D flower like MnO{sub 2} spheres composed of nanoflakes were acquired when the rotating speed was 3000 rpm. Graphene nanosheets play as a role of conductive substrates for MnO{sub 2} growing. The composites are evaluated as electrode materials for supercapacitors. Electrochemical results show that the maximum specific capacitance of the MnO{sub 2}-graphene composite is 595.7 F g{sup ?1} at a current density of 0.5 A g{sup ?1}. In addition, the composite exhibits excellent cycle stability with no capacitance attenuation after 1000 cycles. The approach provides new ideas for developing supercapacitor electrode materials with high performance. - Graphical abstract: 3D flower like MnO{sub 2} spheres composed of nanoflakes were acquired at 3000 rpm. - Highlights: • MnO{sub 2}-graphene composites were prepared by pulse electrodeposition under supergravity. • 3D flower like MnO{sub 2} spheres are anchored on the graphene nanosheets. • The MnO{sub 2}-graphene electrode exhibits a specific capacitance of 595.7 F g{sup ?1}.

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

    SciTech Connect (OSTI)

    Goodwin, Andrew L.; Dove, Martin T.; Tucker, Matthew G.; Keen, David A.

    2007-02-15

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

  17. Perpendicularly magnetized {tau}-MnAl (001) thin films epitaxied on GaAs

    SciTech Connect (OSTI)

    Nie, S. H.; Zhu, L. J.; Lu, J.; Pan, D.; Wang, H. L.; Yu, X. Z.; Xiao, J. X.; Zhao, J. H.

    2013-04-15

    Perpendicularly magnetized {tau}-MnAl films have been epitaxied on GaAs (001) by molecular-beam epitaxy. Crystalline quality and magnetic properties of the samples were strongly dependent on growth temperature. The highest coercivity of 10.7 kOe, saturation magnetization of 361.4 emu/cm{sup 3}, perpendicular magnetic anisotropy constant of 13.65 Merg/cm{sup 3}, and magnetic energy product of 4.44 MGOe were achieved. These tunable magnetic properties make MnAl films valuable as excellent and cost-effective alternative for not only high density perpendicular magnetic recording storage and spintronics devices but also permanent magnets.

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

    SciTech Connect (OSTI)

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

    2014-09-29

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

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

    SciTech Connect (OSTI)

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

    2007-04-02

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

  20. Ferromagnetism in Mn Substituted Zirconia: A Density-functional Theory Study

    E-Print Network [OSTI]

    Xingtao Jia; Wei Yang; Minghui Qin; Xinglai Zhang; Mingai Sun; Jianping Li

    2008-09-05

    We study the electronic structure and magnetism of 25% Mn substituted cubic Zirconia (ZrO2) with several homogeneous and heterogeneous doping profiles using density-functional theory calculations. We find that all doping profiles show half-metallic ferromagnetism (HMF), and delta-doping is most energy favorable while homogeneous doping has largest ferromagnetic stabilization energy. Using crystal field theory, we discuss the formation scheme of HMF. Finally, we speculate the potential spintronics applications for Mn doped ZrO2, especially as spin direction controllment.

  1. Theatre, Society and Politics in Mexico City, Fall 1996

    E-Print Network [OSTI]

    Smith, Paul Christopher

    1997-10-01

    of the Dead with both Pedro Páramo and Don Juan Tenorio. The latter was performed with support from IN AH, INBA, and personnel from UNAM, on the grounds of the former convent of FALL 1997 111 Churubusco (which today houses the Museo Nacional de las... awards after its premiere at UNAM. The source for the title, as acknowledged in the program, is Joseph Conrad's Lord Jim: "as if reading off something written on the body of the night." The play is a delightful portrayal of Mexican society...

  2. Free fall onto evaporating black holes at the quantum limit

    E-Print Network [OSTI]

    Maurice H. P. M. van Putten

    2015-11-11

    Black hole space times evaporate in discrete steps due to remarkably slow Hawking radiation. We here identify evaporation with essentially extremal states at the limit of quantum computation, performing $2.7\\times 10^{79}$ bit calculations per photon emission in a one solar mass black hole. During evaporation, particles in free fall co-evolve satisfying $EM=$constant, where $E$ and $M$ denote the total mass energy-at-infinity of the particle and, respectively, black hole. Particles are hereby increasingly entangled with the black hole space-time over the course of its evaporation.

  3. High Falls, New York: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View NewTexas: Energy Resources Jump to:Hershey, Pennsylvania:Hidden Hills,Implications ForFalls,

  4. Fall River Rural Elec Coop Inc (Wyoming) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, AlabamaETEC GmbH JumpEllenville,PowerEvaporative||NewFale-Safe, Inc JumpFall River

  5. FALL R&D NEWSLETTER 2014 | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE: AlternativeCommunication3-EDepartmentExercise ProgramGasPlanDepartment ofEnergy3 FAIR ActFALL

  6. City of River Falls, Wisconsin (Utility Company) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LISTStar EnergyLawler, Iowa (UtilityIowaIowaKansas (UtilityRadium,WashingtonFalls,

  7. BLM Idaho Falls District Office | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LISTStar Energy LLC Jump to:Greece: EnergyMontana)District Office Jump to:Falls

  8. Olmsted Falls, Ohio: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop Inc Jump to:Newberg, Oregon:OGE EnergyOklahoma: Energy Resources JumpFalls, Ohio:

  9. Save Energy and be Festive this Fall | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:Financing Tool FitsProjectData Dashboard RutlandSTEAB's1-E Wholesale Powerand be Festive this Fall

  10. Central Falls, Rhode Island: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmentalBowerbank,CammackFLIR Jump to:RAPIDCavallo EnergyOhio: EnergyFalls, Rhode Island:

  11. City of Falls City, Nebraska (Utility Company) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmentalBowerbank,CammackFLIRChurch Point,BlueDeaver,Dighton,LouisianaFalls City, Nebraska

  12. Boralex Beaver Livermore Falls Biomass Facility | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop IncIowaWisconsin:Pontiac Biomass FacilityBluegrassBoralex Beaver Livermore Falls

  13. Alaska Energy Pioneer Fall 2015 Newsletter | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirley Ann JacksonDepartment| DepartmentAL/FALGeologic CO2 Storage | Department ofYu -Fall

  14. Alaska Energy Pioneer Fall 2015 Newsletter | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE: Alternative FuelsofProgram:Y-12 Beta-3AUDITLeslie PezzulloAgendaChampion: Craig MooreFall 2015

  15. Fall and Winter Energy-Saving Tips | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE: Alternative Fuelsof Energy Services » Program ManagementAct4FacilityFact SheetFall and Winter

  16. Enlarged Mn 3s splitting and room-temperature ferromagnetism in epitaxially grown oxygen doped Mn{sub 2}N{sub 0.86} films

    SciTech Connect (OSTI)

    Meng, M.; Wu, S. X. Ren, L. Z.; Zhou, W. Q.; Wang, Y. J.; Wang, G. L.; Li, S. W.

    2014-11-07

    Single-phase and oxygen doped Mn{sub 2}N{sub 0.86} thin films have been grown on MgO (111) by plasma-assisted molecular beam epitaxy. The films grow under tensile strain and, remarkably, they show ferromagnetic-like interactions at low temperature and ferromagnetic ordering agreed well with the Bloch-law T{sup 3/2} at room-temperature. We further demonstrate the enlarged Mn 3s splitting (6.46?eV) and its possible relation to the observed ferromagnetism. Our study not only provide a strategy for further theoretical work on oxygen doped manganese nitrides, but also shed promising light on utilizing its room-temperature FM property to fabricate spintronic devices.

  17. Microstructures and Mechanical Properties of Compositionally Complex Co-free FeNiMnCr18 FCC Solid Solution Alloy

    SciTech Connect (OSTI)

    Wu, Zhenggang [The University of Tennessee; Bei, Hongbin [ORNL

    2015-01-01

    Recently,a structurally-simplebutcompositionally-complex FeNiCoMnCr highentropyalloywasfoundto haveexcellentmechanicalproperties(e.g.,highstrengthandductility).Tounderstandthepotentialof using highentropyalloysasstructuralmaterialsforadvancednuclearreactorandpowerplants,itis necessary tohaveathoroughunderstandingoftheirstructuralstabilityandmechanicalpropertiesde- gradation underneutronirradiation.ThisrequiresustodevelopasimilarmodelalloywithoutCobe- cause materialwithCowillmakepost-neutron-irradiationtestingdifficult duetotheproductionofthe 60Co radioisotope.Toachievethisgoal,aFCC-structuredsingle-phasealloywithacompositionof FeNiMnCr18 wassuccessfullydeveloped.Thisnear-equiatomicFeNiMnCr18 alloy hasgoodmalleability and itsmicrostructurecanbecontrolledbythermomechanicalprocessing.Byrollingandannealing,the as-cast elongated-grained-microstructureisreplacedbyhomogeneousequiaxedgrains.Themechanical properties (e.g.,strengthandductility)oftheFeNiMnCr18 alloy arecomparabletothoseoftheequiatomic FeNiCoMnCr highentropyalloy.Bothstrengthandductilityincreasewithdecreasingdeformation temperature,withthelargestdifferenceoccurringbetween293and77K.Extensivetwin-bandswhich are bundlesofnumerousindividualtwinsareobservedwhenitistensile-fracturedat77K.Notwin bands aredetectedbyEBSDformaterialsdeformedat293Kandhigher.Theunusualtemperature-de- pendencies ofUTSanduniformelongationcouldbecausedbythedevelopmentofthedensetwin substructure, twin-dislocationinteractionsandtheinteractionsbetweenprimaryandsecondarytwin- ning systemswhichresultinamicrostructurerefinement andhencecauseenhancedstrainhardening and postponednecking.

  18. Observation of Precipitation Evolution in Fe-Ni-Mn-Ti-Al Maraging Steel using Atom Probe Tomography

    SciTech Connect (OSTI)

    Pereloma, E. V.; Stohr, R A; Miller, Michael K; Ringer, S. P.

    2009-01-01

    We describe the full decomposition sequence in an Fe-Ni-Mn-Ti-Al maraging steel during isothermal annealing at 550 C. Following significant pre-precipitation clustering reactions within the supersaturated martensitic solid solution, (Ni,Fe){sub 3}Ti and (Ni,Fe){sub 3}(Al,Mn) precipitates eventually form after isothermal aging for {approx}60 seconds. The morphology of the (Ni,Fe){sub 3}Ti particles changes gradually during aging from predominantly plate-like to rod-like, and, importantly, Mn and Al were observed to segregate to these precipitate/matrix interfaces. The (Ni,Fe){sub 3}(Al,Mn) precipitates occurred at two main locations: uniformly within the matrix and at the periphery of the (Ni,Fe){sub 3}Ti particles. We relate this latter mode of precipitation to the Mn-Al segregation.

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

    SciTech Connect (OSTI)

    Chen Yong; Liu Chenguang; Liu Chang; Lu Gaoqing; Cheng Huiming

    2007-11-06

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

  20. TT Liu, BE280A, UCSD, Fall 2004 Bioengineering 280A

    E-Print Network [OSTI]

    Liu, Thomas T.

    ;8 TT Liu, BE280A, UCSD, Fall 2004 Acoustic Waves Suetens 2002 TT Liu, BE280A, UCSD, Fall 2004 Acoustic Wave Equation 2 p = 2 x2 + 2 y2 + 2 z2 p = 1 c2 2 p t2 Solutions are of the form p(x,t) = A1 f1(x -ct) + A2 f2(x +ct) Seutens 2002Seutens 2002 #12;9 TT Liu, BE280A, UCSD, Fall 2004 Acoustic Wave

  1. TT Liu, BE280A, UCSD, Fall 2005 Bioengineering 280A

    E-Print Network [OSTI]

    Liu, Thomas T.

    2 f2(x +ct) Seutens 2002Seutens 2002 TT Liu, BE280A, UCSD, Fall 2005 Acoustic Wave Equation280A, UCSD, Fall 2005 Acoustic Waves Suetens 2002 #12;6 TT Liu, BE280A, UCSD, Fall 2005 Acoustic Wave Solutions of the wave equation Plane wave p(z,t) = exp( j2f (t - z /c)) Superposition of plane waves p

  2. TT Liu, BE280A, UCSD, Fall 2006 Bioengineering 280A

    E-Print Network [OSTI]

    Liu, Thomas T.

    velocity and speed of sound are not the same! TT Liu, BE280A, UCSD, Fall 2006 Acoustic Wave Equation ! "2 p Color Doppler Imaging #12;8 TT Liu, BE280A, UCSD, Fall 2006 Acoustic Waves Suetens 2002 TT Liu, BE280A Outward wave #12;11 TT Liu, BE280A, UCSD, Fall 2006 Acoustic Intensity ! I = pv = p2 Z Also called

  3. TT Liu, BE280A, UCSD, Fall 2004 Bioengineering 280A

    E-Print Network [OSTI]

    Liu, Thomas T.

    2 f2(x +ct) Seutens 2002Seutens 2002 TT Liu, BE280A, UCSD, Fall 2004 Acoustic Wave Equation280A, UCSD, Fall 2004 Acoustic Waves Suetens 2002 #12;6 TT Liu, BE280A, UCSD, Fall 2004 Acoustic Wave Solutions of the wave equation Plane wave p(z,t) = exp( j2f (t - z /c)) Superposition of plane waves p

  4. TT Liu, BE280A, UCSD, Fall 2005 Bioengineering 280A

    E-Print Network [OSTI]

    Liu, Thomas T.

    ;8 TT Liu, BE280A, UCSD, Fall 2005 Acoustic Waves Suetens 2002 TT Liu, BE280A, UCSD, Fall 2005 Acoustic Wave Equation 2 p = 2 x2 + 2 y2 + 2 z2 p = 1 c2 2 p t2 Solutions are of the form p(x,t) = A1 f1(x -ct) + A2 f2(x +ct) Seutens 2002Seutens 2002 #12;9 TT Liu, BE280A, UCSD, Fall 2005 Acoustic Wave

  5. 11/2/2004 Comp 120 Fall 2004 1 9 classes to go!

    E-Print Network [OSTI]

    Bishop, Gary

    ·1 11/2/2004 Comp 120 Fall 2004 1 2 November · 9 classes to go! · VOTE! · 2 more needed for study. · Assignment 10! · Cache 11/2/2004 Comp 120 Fall 2004 2 Memory Hierarchy · CPU cycle 400ps · Cache time 400ps access 2 minutes · Disk access 10 months! 11/2/2004 Comp 120 Fall 2004 3 Cache · cache (kash) n. 1

  6. 11/11/2004 Comp 120 Fall 2004 1 11 November

    E-Print Network [OSTI]

    Bishop, Gary

    ·1 11/11/2004 Comp 120 Fall 2004 1 11 November · Six Classes to Go! · Questions! · VM and Making Programs Go 11/11/2004 Comp 120 Fall 2004 2 Operating System · The OS is JUST A PROGRAM ­ but it runs the keyboard · The OS may choose to "map" devices such as the screen into USER space 11/11/2004 Comp 120 Fall

  7. 11/4/2004 Comp 120 Fall 2004 1 8 classes to go!

    E-Print Network [OSTI]

    Bishop, Gary

    ·1 11/4/2004 Comp 120 Fall 2004 1 4 November · 8 classes to go! · Read 7.3-7.5 · Section 7.5 especially important! · New Assignment on the web 11/4/2004 Comp 120 Fall 2004 2 Direct-Mapping Example 38 4 1000d = 01111101000b line = 01b = 1d 1040d = 10000010000b line = 10b = 2d 11/4/2004 Comp 120 Fall 2004

  8. 11/16/2004 Comp 120 Fall 2004 1 16 November

    E-Print Network [OSTI]

    Bishop, Gary

    ·1 11/16/2004 Comp 120 Fall 2004 1 16 November · 5 classes to go · Questions? · More on VM and Cache 11/16/2004 Comp 120 Fall 2004 2 4kB direct-mapped cache · 4 byte BLOCKS · How many BLOCKS? · Which bits to select the BLOCK? · How many bits in the TAG? 11/16/2004 Comp 120 Fall 2004 3 4kB Direct Mapped

  9. 9/9/2004 Comp 120 Fall 2004 1 9 September 2004

    E-Print Network [OSTI]

    Bishop, Gary

    ·1 9/9/2004 Comp 120 Fall 2004 1 9 September 2004 · Questions? ·Programming Continued 9/9/2004 Comp 120 Fall 2004 2 So far we've learned: · MIPS -- loading words but addressing bytes -- arithmetic $s1, 100($s2) $s1 = Memory[$s2+100] sw $s1, 100($s2) Memory[$s2+100] = $s1 9/9/2004 Comp 120 Fall

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

    SciTech Connect (OSTI)

    Liu, Hao; Gao, G. Y. Hu, Lei; Ni, Yun; Zu, Fengxia; Zhu, Sicong; Wang, Shuling; Yao, K. L.

    2014-01-21

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

  11. Comparison of the crystalline structure, morphology, and magnetic properties of -phase Mn/Cu3Au,,100... ultrathin films by varying the growth temperature

    E-Print Network [OSTI]

    Lin, Minn-Tsong

    Comparison of the crystalline structure, morphology, and magnetic properties of -phase Mn/Cu3Au behaviors in the crystalline structure, morphology, and magnetism. RT-Mn films reveal apparent layer the last de- cade, the pure - and -phase Mn films are prepared by epitaxial growth on single-crystalline

  12. Heteronuclear Mn-Ca/Sr Complexes, and Ca/Sr EXAFS SpectralComparisons with the Oxygen-Evolving Complex of Photosystem II

    SciTech Connect (OSTI)

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

    2007-12-19

    HeterometallicMn Ca and Mn Sr complexes have been preparedand employed as model complexes for Ca and Sr EXAFS spectral comparisonswith the Oxygen-Evolving Complex (OEC) of Photosystem II (PS II); thesehave revealed similarities that support the presence of at least one Oatom bridge between the Mn and Ca/Sr in the OEC.

  13. MA 16200 Study Guide for material since Exam 3, Fall 2014 NOTE ...

    E-Print Network [OSTI]

    2014-11-28

    MA 16200 Study Guide for material since Exam 3, Fall 2014. NOTE: SINCE THE FINAL EXAM WILL COVER ALL THE MATERIAL OF THE. COURSE, YOU ...

  14. Sustainability E-Newsletter Fall/Winter 2013-2014 Like "Office of

    E-Print Network [OSTI]

    Alpay, S. Pamir

    Sustainability E-Newsletter Fall/Winter 2013-2014 Like "Office of Environmental Policy" on FacebookDay..........................................................................................2 Campus Sustainability Day our Sustainability Coordinators......................................................6 Campus

  15. Sustainable BioMaterials Fall/Spring Semester Sustainable Enterprise, Sustainable Residential Structures,

    E-Print Network [OSTI]

    Sustainable BioMaterials Fall/Spring Semester Sustainable Enterprise, Sustainable Residential" for the desired semester. To help you explore your interest in the Department of Sustainable Biomaterials

  16. Math 514: Applied Mathematics I Course Information and Syllabus Fall 2011

    E-Print Network [OSTI]

    Math 514: Applied Mathematics I Course Information and Syllabus ­ Fall 2011 Instructor: Prof. Jon M time permits). Prerequisites Math 455 or equivalent first course in partial differential equations

  17. Math 13700 Review Problems – Lessons 30-35 Fall 2009 The ...

    E-Print Network [OSTI]

    rroames

    2009-12-03

    Math 13700. Review Problems – Lessons 30-35. Fall 2009. The following is a list of recommended problems from sections 10.3-11.4 of the Supplementary.

  18. Albeni Falls Wildlife Mitigation Project, 2008 Annual Report.

    SciTech Connect (OSTI)

    Soults, Scott

    2009-08-05

    The Albeni Falls Interagency Work Group (AFIWG) was actively involved in implementing wildlife mitigation activities in late 2007, but due to internal conflicts, the AFIWG members has fractionated into a smaller group. Implementation of the monitoring and evaluation program continued across protected lands. As of 2008, The Albeni Falls Interagency Work Group (Work Group) is a coalition comprised of wildlife managers from three tribal entities (Kalispel Tribe, Kootenai Tribe, Coeur d Alene Tribe) and the US Army Corps of Engineers. The Work Group directs where wildlife mitigation implementation occurs in the Kootenai, Pend Oreille and Coeur d Alene subbasins. The Work Group is unique in the Columbia Basin. The Columbia Basin Fish and Wildlife Authority (CBFWA) wildlife managers in 1995, approved what was one of the first two project proposals to implement mitigation on a programmatic basis. The maintenance of this kind of approach through time has allowed the Work Group to implement an effective and responsive habitat protection program by reducing administrative costs associated with site-specific project proposals. The core mitigation entities maintain approximately 9,335 acres of wetland/riparian habitats in 2008.

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

    SciTech Connect (OSTI)

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

    2007-09-01

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

  20. LABORATORY EXPERIMENT 11 Determination of microelements (Mn and Cu) in tea leaves

    E-Print Network [OSTI]

    Nazarenko, Alexander

    : · Total contents - Mn and Cu in tea leaves by ashing and acid digestion · Extractable contents: hot water to determine the total contents of a component, such as a metal element, being measured. On the other hand used will depend on the purpose of the study. For example, it may be that the total content of a metal

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

    E-Print Network [OSTI]

    and oxidatively degrade or trans- form numerous organic and inorganic compounds, includ- ing humic and fulvic acids, aromatic hydrocarbons, Cr(III), Co(II), and hydrogen sulfide (Jenne, 1967; Huang, 1991(II)-oxidizing microorganisms in the envi- ronment (Tebo et al., 2004) and upon the much faster rates of Mn(II) oxidation

  2. Correlated chemostratigraphy of Mn-carbonate microbialites (rkt, Hungary) Mrta Polgri a,b,

    E-Print Network [OSTI]

    Mojzsis, Stephen J.

    ) microbialites at the Úrkút black shale-hosted manganese carbonate ore body (central Hungary) is described microbialites mostly behaved as an open system during deposition of black shale under early diagenetic reduction under an oxic water column; more equant types occur at the contact zone of black shale and Mn

  3. In Vitro Study on MgeSneMn Alloy as Biodegradable Metals Zhen Zhen1)

    E-Print Network [OSTI]

    Zheng, Yufeng

    for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China 2) Biomedical Engineering condition) in Hank's solution. Blood compatibility evaluation suggested that Mge3Sne0.5Mn alloy had improve the corrosion resistance, for its high hydrogen overvoltage[22] . In physiology, Sn is a trace

  4. Optical properties of metallic (III, Mn)V ferromagnetic semiconductors in the infrared to visible range 

    E-Print Network [OSTI]

    Hankiewicz, EM; Jungwirth, T.; Dietl, T.; Timm, C.; Sinova, Jairo.

    2004-01-01

    We report on a study of the ac conductivity and magneto-optical properties of metallic ferromagnetic (III, Mn)V semiconductors in the infrared to visible spectrum at zero temperature. Our analysis is based on the successful kinetic exchange model...

  5. Effect of carbon doping on electronic transitions in Mn5Ge3 N. Stojilovic,1,a)

    E-Print Network [OSTI]

    Dordevic, Sasha V.

    these compounds promising candidates for spin injectors for potential spintronics applications. The resistivity mismatch between a metal and a semicon- ductor. Therefore, for spintronics applications, finding a compound is now being considered for use in spintronics applications.4 However, pure Mn5Ge3 has Tc ¼ 293 K,5 which

  6. Modified magnetic ground state in NiMn2O4 thin films

    SciTech Connect (OSTI)

    Nelson-Cheeseman, B. B.; Chopdekar, R. V.; Toney, M. F.; Arenholz, E.; Suzuki, Y.; Iwata, J.M.

    2010-08-03

    We demonstrate the stabilization of a magnetic ground state in epitaxial NiMn2O4 (NMO) thin films not observed in their bulk counterpart. Bulk NMO exhibits a magnetic transition from a paramagnetic phase to a collinear ferrimagnetic moment configuration below 110 K and to a canted moment configuration below 70 K. By contrast, as-grown NMO films exhibit a single magnetic transition at 60 K and annealed films exhibit the magnetic behavior found in bulk. Cation inversion and epitaxial strain are ruled out as possible causes for the new magnetic ground state in the as-grown films. However, a decrease in the octahedral Mn{sup 4+}:Mn{sup 3+} concentration is observed and likely disrupts the double exchange that produces the magnetic state at intermediate temperatures. X-ray magnetic circular dichroism and bulk magnetometry indicate a canted ferrimagnetic state in all samples at low temperature. Together these results suggest that the collinear ferrimagnetic state observed in bulk NMO at intermediate temperatures is suppressed in the as grown NMO thin films due to a decrease in octahedral Mn{sup 4+} while the canted moment ferrimagnetic ordering is preserved below 60 K.

  7. FARGO-MOORHEAD METROPOLITAN AREA, ND AND MN FLOOD RISK MANAGEMENT PROJECT

    E-Print Network [OSTI]

    US Army Corps of Engineers

    FARGO-MOORHEAD METROPOLITAN AREA, ND AND MN FLOOD RISK MANAGEMENT PROJECT 23 September 2011, and technically feasible flood risk management for Fargo, North Dakota, Moorhead, Minnesota, and the surrounding area, and a storage area to reduce the existing and future flood risk and damages to public and private

  8. Tracing bottom water oxygenation with sedimentary Mn/Fe ratios in Lake Zurich, Switzerland

    E-Print Network [OSTI]

    Gilli, Adrian

    Tracing bottom water oxygenation with sedimentary Mn/Fe ratios in Lake Zurich, Switzerland and Management, Seestrasse 79, CH-6047 Kastanienbaum, Switzerland b ETH Zurich, Institute for Biogeochemistry and Pollution Dynamics, Universitaetstrasse 16, CH-8092 Zurich, Switzerland c ETH Zurich, Geological Institute

  9. P0805-Hagen Oxidation States of Mn, Cr, and Co in

    E-Print Network [OSTI]

    on metal based interconnects in solid oxide fuel cell (SOFC) stack technology. The nature of the cations of the material, e.g., conductivity, which is of crucial importance in the fuel cell technology. In the present-Mn-Co-O are of great interest as layers of these materials are formed during operation at the metallic interconnects

  10. Spins and magnetic moments of 58;60;62;64Mn ground states and isomers

    E-Print Network [OSTI]

    H. Heylen; C. Babcock; J. Billowes; M. L. Bissell; K. Blaum; P. Campbell; B. Cheal; R. F. Garcia Ruiz; Ch. Geppert; W. Gins; M. Kowalska; K. Kreim; S. M. Lenzi; I. D. Moore; R. Neugart; G. Neyens; W. Nörtershäuser; J. Papuga; D. T. Yordanov

    2015-08-25

    The odd-odd 54;56;58;60;62;64Mn isotopes (Z = 25) were studied using bunched-beam collinear laser spectroscopy at ISOLDE, CERN. From the measured hyperfine spectra the spins and magnetic moments of Mn isotopes up to N = 39 were extracted. The previous tentative ground state spin assignments of 58;60;62;64Mn are now firmly determined to be I = 1 along with an I = 4 assignment for the isomeric states in 58;60;62Mn. The I = 1 magnetic moments show a decreasing trend with increasing neutron number while the I = 4 moments remain quite constant between N = 33 and N = 37. The results are compared to large-scale shell-model calculations using the GXPF1A and LNPS effective interactions. The excellent agreement of the ground state moments with the predictions from the LNPS calculations illustrates the need for an increasing amount of proton excitations across Z = 28 and neutron excitations across N = 40 in the ground state wave functions from N = 37 onwards.

  11. Spins and magnetic moments of 58;60;62;64Mn ground states and isomers

    E-Print Network [OSTI]

    Heylen, H; Billowes, J; Bissell, M L; Blaum, K; Campbell, P; Cheal, B; Ruiz, R F Garcia; Geppert, Ch; Gins, W; Kowalska, M; Kreim, K; Lenzi, S M; Moore, I D; Neugart, R; Neyens, G; Nörtershäuser, W; Papuga, J; Yordanov, D T

    2015-01-01

    The odd-odd 54;56;58;60;62;64Mn isotopes (Z = 25) were studied using bunched-beam collinear laser spectroscopy at ISOLDE, CERN. From the measured hyperfine spectra the spins and magnetic moments of Mn isotopes up to N = 39 were extracted. The previous tentative ground state spin assignments of 58;60;62;64Mn are now firmly determined to be I = 1 along with an I = 4 assignment for the isomeric states in 58;60;62Mn. The I = 1 magnetic moments show a decreasing trend with increasing neutron number while the I = 4 moments remain quite constant between N = 33 and N = 37. The results are compared to large-scale shell-model calculations using the GXPF1A and LNPS effective interactions. The excellent agreement of the ground state moments with the predictions from the LNPS calculations illustrates the need for an increasing amount of proton excitations across Z = 28 and neutron excitations across N = 40 in the ground state wave functions from N = 37 onwards.

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

    E-Print Network [OSTI]

    Demir, Hilmi Volkan

    Se-related blue emission (410 and 435 nm), Zn-related defect state green emission (520 nm), and Mn-dopant related for the purpose of generation of photometrically high quality white light while maintaining the energy efficiency is to combine red-, green-, and blue-emitting NCs in an appropriate ratio.1,2 However, when one simply mixes

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

    E-Print Network [OSTI]

    Cambridge, University of

    Materials Research for Environment and Energy - 1 - Hydrogen Embrittlement in Fe-Mn-C High Strength Seminar, May 23 #12;Materials Research for Environment and Energy - 2 - I had moved from NIMS to Kyushu.kaneaki@nims.go.jp> ********************* #12;Materials Research for Environment and Energy - 3 - #12;Materials Research for Environment

  14. Shannon D. Scott, RN, BN, MN, PhD Faculty of Nursing, University of Alberta

    E-Print Network [OSTI]

    Machel, Hans

    Shannon D. Scott, RN, BN, MN, PhD Faculty of Nursing, University of Alberta Level 3, 11405 Promotion Studies (Mentor Dr. Ron Plotnikoff), University of Alberta. Funded by: Canadian Institutes of Health Research Fellowship, Alberta Heritage Foundation for Medical Research Fellowship, and the Canadian

  15. CaMn2Sb2: Spin waves on a frustrated antiferromagnetic honeycomb lattice

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

    McNally, D. E.; Simonson, J. W.; Kistner-Morris, J. J.; Smith, G. J.; Hassinger, J. E.; DeBeer-Schmidt, L.; Kolesnikov, A. I.; Zaliznyak, I.; Aronson, M. C.

    2015-05-22

    We present inelastic neutron scattering measurements of the antiferromagnetic insulator CaMn2Sb2:, which consists of corrugated honeycomb layers of Mn. The dispersion of magnetic excitations has been measured along the H and L directions in reciprocal space, with a maximum excitation energy of ? 24 meV. These excitations are well described by spin waves in a Heisenberg model, including first and second neighbor exchange interactions, J1 and J2, in the Mn plane and also an exchange interaction between planes. The determined ratio J2/J1 ? 1/6 suggests that CaMn2Sb2: is the first example of a compound that lies very close to themore »mean field tricritical point, known for the classical Heisenberg model on the honeycomb lattice, where the N´eel phase and two different spiral phases coexist. The magnitude of the determined exchange interactions reveal a mean field ordering temperature ? 4 times larger than the reported N´eel temperature TN = 85 K, suggesting significant frustration arising from proximity to the tricritical point.« less

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

    E-Print Network [OSTI]

    Wolfe, Patrick J.

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

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

    E-Print Network [OSTI]

    Li, Jing

    Mn-Substituted Inorganic-Organic Hybrid Materials Based on ZnSe: Nanostructures That May Lead research that deals with synthesis, characterization, and modification of organic-inorganic hybrid to integrate functional materials that utilize both electron charge and spin.1 Thus, the introduction

  18. Aliovalent titanium substitution in layered mixed Li Ni-Mn-Co oxides for lithium battery applications

    SciTech Connect (OSTI)

    Kam, Kinson; Doeff, Marca M.

    2010-12-01

    Improved electrochemical characteristics are observed for Li[Ni1/3Co1/3-yMyMn1/3]O2 cathode materials when M=Ti and y<0.07, compared to the baseline material, with up to 15percent increased discharge capacity.

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

    E-Print Network [OSTI]

    Rovnyak, James

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

  20. NEW COURSE NUMBER: ENG ME 579 Extra information on MN/SC579: Microelectronic Device Manufacturing

    E-Print Network [OSTI]

    Lin, Xi

    NEW COURSE NUMBER: ENG ME 579 Extra information on MN/SC579: Microelectronic Device Manufacturing for manufacturing engineering students to take for the following reason. Your future careers in manufacturing are undoubtedly most promising for the manufacturing of what is often referred to as "high technology" areas