Focus Session: Iron Based Superconductors: Magnetism and Structure

Presentations

• Pair-breaking in iron-pnictides

  ORAL

  March 16, 2010, 2:30 PM – March 16, 2010, 2:42 PM

  Authors

  • V.G. Kogan

    • Ames Lab
    • Ames Lab and Iowa State Univ.

  View abstract →

• Magnetic Properties of Low-Energy Effective Model for Iron-Based Superconductor LaFeAsO

  ORAL

  March 16, 2010, 2:42 PM – March 16, 2010, 2:54 PM

  Authors

  • Takahiro Misawa

    • Dept. of Applied Physics, Univ. of Tokyo

  • Masatoshi Imada

  View abstract →

• Magnetic excitation in the Ni-overdoped BaFe$_{2}$As$_{2}$

  ORAL

  March 16, 2010, 2:54 PM – March 16, 2010, 3:06 PM

  Authors

  • Chenglin Zhang

    • University of Tennessee
    • U of Tennessee
    • Univ of Tennessee, physics dept

  • Huiqian Luo

    • Chinese Academy of Science
    • Institute of Physics, China
    • Institute of Physics, CAS

  • Meng Wang

    • Institute of Physics, China
    • Chinese Academy of Science
    • University of Tennessee; Institute of Physics, China
    • Institute of Physics, CAS

  • Shiliang Li

    • Chinese Academy of Science
    • IOP,CAS
    • Institute of Physics, CAS

  • Zhiguo Chen

    • Institute of Physics, CAS

  • Wei Wu

    • Institute of Physics, CAS

  • Jianlin Luo

    • Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
    • Institute of Physics, CAS

  • Nanlin Wang

    • Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
    • IOP, CAS
    • Institute of Physics, Chinese Academy of Sciences
    • Institute of Physics, CAS

  • Pengcheng Dai

    • UTK/ORNL
    • University of Tennessee
    • U of Tennessee
    • University of Tennessee; Oak Ridge National Laboratory; Institute of Physics, China
    • Univ. of Tenn.
    • Univ of Tennessee, physics dept

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• Doping Dependence of Resonant spin excitations in Ba$_{1-x}$K$_{x}$Fe$_{2}$As$_{2}$

  ORAL

  March 16, 2010, 3:06 PM – March 16, 2010, 3:18 PM

  Authors

  • Raymond Osborn

    • Argonne National Laboratory

  • Stephan Rosenkranz

    • Argonne National Laboratory

  • John-Paul Castellan

    • Argonne National Laboratory

  • Frank Weber

    • Argonne National Laboratory

  • Eugene Goremychkin

    • Argonne National Laboratory

  • Duck-Young Chung

    • Argonne National Laboratory

  • Ilya Todorov

    • Argonne National Laboratory

  • Helmut Claus

    • Argonne National Laboratory

  • Mercouri Kanatzidis

    • Department of Chemistry, Northwestern University
    • Northwestern University

  • Tatiana Guidi

    • Rutherford Appleton Laboratory

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• Localized and itinerant magnetic excitations in CaFe$_{2}$As$_{2}$

  ORAL

  March 16, 2010, 3:18 PM – March 16, 2010, 3:30 PM

  Authors

  • Liqin Ke

    • School of Materials, Arizona State University

  • Mark van Schilfgaarde

    • School of Materials, Arizona State University

  • Vladimir Antropov

    • Ames Laboratory, IA
    • Condensed Matter Physics, Ames Laboratory, IA 50011

  • Takao Kotani

    • Department of Applied Mathematics and Physics, Tottori University, Japan

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• Chalcogen-height dependent magnetic interactions in iron chalcogenide superconductors

  ORAL

  March 16, 2010, 3:30 PM – March 16, 2010, 3:42 PM

  Authors

  • Chang-Youn Moon

    • Department of Physics and IPAP, Yonsei University, Korea

  • Hyoung Joon Choi

    • Department of Physics and IPAP, Yonsei University
    • Department of Physics and IPAP, Yonsei University, Korea

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• Local distortions with the substitution of Se for Te in FeSe$_{0.5}$Te$_{0.5}$

  ORAL

  March 16, 2010, 3:42 PM – March 16, 2010, 3:54 PM

  Authors

  • Despina Louca

    • University of Virginia

  • K. Horigane

    • Tohoku University

  • A. Llobet

    • Lujan Neutron Scattering Center, Los Alamos National Laboratory
    • Los Alamos National Kaboratory

  • R. Arita

    • Department of Applied Physics, University of Tokyo, JST-TRIP, JST-CREST
    • University of Tokyo

  View abstract →

• Effect of magnetism on the electron-phonon coupling in iron-based superconductors

  ORAL

  March 16, 2010, 3:54 PM – March 16, 2010, 4:06 PM

  Authors

  • Lilia Boeri

    • Max-Planck-Institute for Solid State Physics, Stuttgart, Germany

  • Matteo Calandra

    • Institut de Min\'eralogie et de Physique des Milieux Condens\'es
    • CNRS and Institut de Min\'eralogie et de Physique des Milieux Condens\'es, case 115, 4 place Jussieu, 75252 Paris Cedex 05, France

  • Oleg Dolgov

    • Max-Planck-Institute for Solid State Physics, Stuttgart, Germany

  • Igor Mazin

    • Naval Reserach Laboratory
    • Naval Research Laboratory, 4555 Overlook Avenue SW, Washington, DC 20375, USA
    • Naval Research Laboratory

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• Neutron Diffraction Studies of Structural and Magnetic Phase Transitions in Ru Doped [1111] Fe Pnictides

  ORAL

  March 16, 2010, 4:06 PM – March 16, 2010, 4:18 PM

  Authors

  • Yuen Yiu

    • University of Tennessee- Physics

  • Vasile Garlea

    • Oak Ridge National Laboratory - NSSD

  • Stephen Nagler

    • Oak Ridge National Laboratory
    • Oak Ridge National Laboratory - NSSD

  • Michael McGuire

    • Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831
    • Oak Ridge National Laboratory, Oak Ridge, Tennessee
    • Oak Ridge National Laboratory - MSTD
    • Oak Ridge National Laboratory

  • Brian Sales

    • Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831
    • ORNL
    • Oak Ridge National Laboratory, Oak Ridge, Tennessee
    • Oak Ridge National Laboratory
    • Oak Ridge National Laboratory - MSTD

  • Athena Sefat

  • David Mandrus

    • Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831
    • ORNL
    • Oak Ridge National Laboratory, Oak Ridge, Tennessee
    • Oak Ridge National Laboratory - MSTD
    • Oak Ridge National Laboratory

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• Universal Magnetic and Structural Behaviors in the Iron Pnictides

  ORAL

  March 16, 2010, 4:18 PM – March 16, 2010, 4:30 PM

  Authors

  • Edith Bourret-Courchesne

    • Lawrence Berkeley National Laboratory

  • Stephen Wilson

    • Lawrence Berkeley National Laboratory

  • Costel Rotundu

    • Lawrence Berkeley National Laboratory

  • Zahra Yamani

    • Canadian Neutron Beam Centre, National Research Council

  • Patrick Valdivia

    • University of California, Berkeley

  • Byron Freelon

    • University of California, Berkeley

  • Robert Birgeneau

    • University of Califiornia, Berkeley / Lawrence Berkeley National Lab

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• Anomalous suppression of the orthorhombic distortion in superconducting Ba(Fe$_{1-x}$Co$_{x})_{2}$As$_{2}$

  ORAL

  March 16, 2010, 4:30 PM – March 16, 2010, 4:42 PM

  Authors

  • S. Nandi

    • Ames Laboratory; Dep. of Physics and Astronomy, Iowa State University, Ames

  • M.G. Kim

    • Ames Laboratory; Dep. of Physics and Astronomy, Iowa State University, Ames

  • A. Kreyssig

    • Ames Laboratory; Dep. of Physics and Astronomy, Iowa State University, Ames

  • R.M. Fernandes

    • Ames Laboratory; Dep. of Physics and Astronomy, Iowa State University, Ames

  • D.K. Pratt

    • Ames Laboratory; Dep. of Physics and Astronomy, Iowa State University, Ames

  • A. Thaler

    • Ames Laboratory; Dep. of Physics and Astronomy, Iowa State University, Ames

  • N. Ni

    • Ames Laboratory; Dep. of Physics and Astronomy, Iowa State University, Ames

  • S.L. Bud'ko

    • Ames Laboratory; Dep. of Physics and Astronomy, Iowa State University, Ames

  • P.C. Canfield

    • Ames Laboratory; Dep. of Physics and Astronomy, Iowa State University, Ames

  • J. Schmalian

    • Ames Laboratory; Dep. of Physics and Astronomy, Iowa State University, Ames

  • R.J. McQueeney

    • Ames Laboratory; Dep. of Physics and Astronomy, Iowa State University, Ames

  • A.I. Goldman

    • Ames Laboratory; Dep. of Physics and Astronomy, Iowa State University, Ames

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• Local structure of cobalt-doped iron pnictide superconductors

  ORAL

  March 16, 2010, 4:42 PM – March 16, 2010, 4:54 PM

  Authors

  • J. Niedziela

    • ORNL, Oak Ridge, TN 37830; Dept of Phys \& Astr. U. of Tenn., Knoxville, TN 37996

  • D. Parshall

    • Dept of Phys. \& Astr. U. of Tenn., Knoxville, TN 37996

  • W. Dmowski

    • Dept of Mat. Sci. \& Engr., U. of Tenn., Knoxville, TN 37996

  • D. Mandrus

    • ORNL, Oak Ridge, TN 37831

  • B.C. Sales

    • ORNL, Oak Ridge, TN 37831

  • A.S. Sefat

    • ORNL, Oak Ridge, TN 37831

  • M.A. McGuire

    • ORNL, Oak Ridge, TN 37831

  • Th. Proffen

    • Lujan Center, LANL, Los Alamos, NM 87545

  • A. Llobet

    • Lujan Center, LANL, Los Alamos, NM 87545

  • T. Egami

    • ORNL, Oak Ridge, TN 37831; Depts. of Physics \& Astr. and Mat. Sci. \& Engr., U. of Tenn., Knoxville, TN 37996

  View abstract →

• Anisotropic 2D Spin Fluctuations in Superconducting Ba(Fe$_{0.926}$Co$_{0.074}$)$_2$As$_2$

  ORAL

  March 16, 2010, 4:54 PM – March 16, 2010, 5:06 PM

  Authors

  • M. Stone

    • Oak Ridge National Laboratory

  • Haifeng Li

    • Ames Laboratory and Department of Physics and Astronomy, Iowa State University

  • Collin Broholm

    • Institute for Quantum Matter and Department of Physics and Astronomy, The Johns Hopkins University

  • David Vaknin

    • Ames Laboratory and Department of Physics and Astronomy, Iowa State University

  • Daniel Pratt

    • Ames Laboratory and Department of Physics and Astronomy, Iowa State University

  • Wei Tian

    • Ames Laboratory and Department of Physics and Astronomy, Iowa State University

  • Ni Ni

  • D. Abernathy

    • Oak Ridge National Laboratory

  • Souleymane Diallo

    • Ames Laboratory and Department of Physics and Astronomy, Iowa State University

  • Jerel Zarestky

    • Ames Laboratory and Department of Physics and Astronomy, Iowa State University

  • Sergey Bud'ko

    • Ames Laboratory and Department of Physics and Astronomy, Iowa State University

  • Rafael Fernandes

    • Ames Laboratory and Department of Physics and Astronomy, Iowa State University

  • Paul Canfield

    • Ames Laboratory and Department of Physics and Astronomy, Iowa State University

  • Robert McQueeney

    • Ames Laboratory and Department of Physics and Astronomy, Iowa State University

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• Proximity to Hidden Magnetic Order in Parent Compounds of Iron-Based High-Tc Superconductors

  ORAL

  March 16, 2010, 5:06 PM – March 16, 2010, 5:18 PM

  Authors

  • Jose Rodriguez

    • California State University at Los Angeles

  View abstract →