Focus Session: Fe-based Superconductors - Magnetism and Anisotropy

Presentations

• In Plane Resistivity Anisotropy in iron Chalcogenides

  ORAL

  March 1, 2012, 8:00 AM – March 1, 2012, 8:12 AM

  Authors

  • Jiun-Haw Chu

    • Stanford University

  • Chris Kucharczyk

    • Stanford University

  • Ian Fisher

    • Stanford University

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• The temperature dependence of the conductance anisotropy of the pnictides studied via Monte Carlo simulation of the Spin-Fermion model

  ORAL

  March 1, 2012, 8:12 AM – March 1, 2012, 8:24 AM

  Authors

  • Shuhua Liang

    • Department of Physics, University of Tennessee and Materials Science and Technology Division, ORNL

  • Cengiz Sen

    • Department of Physics, University of Tennessee and Materials Science and Technology Division, ORNL

  • Adriana Moreo

    • Department of Physics, University of Tennessee and Materials Science and Technology Division, ORNL

  • Elbio Dagotto

    • Department of Physics, University of Tennessee and Materials Science and Technology Division, ORNL

  • Gonzalo Alvarez

    • Computer Science and Mathematics Division and Center for Nanophase Materials Sciences, ORNL

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• Anisotropy in BaFe$_{2}$Se$_{3}$ single crystals with double chains of FeSe tetrahedra

  ORAL

  March 1, 2012, 8:24 AM – March 1, 2012, 8:36 AM

  Authors

  • Hechang Lei

    • Brookhaven National Laboratory
    • Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory

  • Hyejin Ryu

    • Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory
    • Brookhaven National Lab

  • Anatoly Frenkel

    • Physics Department, Yeshiva University

  • Cedomir Petrovic

    • Brookhaven National Laboratory
    • Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory

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• Towards an understanding of magnetic interactions and anisotropies in iron superconductors

  COFFEE_KLATCH · Invited

  March 1, 2012, 8:36 AM – March 1, 2012, 9:12 AM

  Authors

  • Elena Bascones

    • Instituto de Ciencia de Materiales de Madrid (ICMM-CSIC)

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• Nematic order and its implications to the iron pnictides: pseudogap behavior, orbital order, and magneto-structural phase diagram

  ORAL

  March 1, 2012, 9:12 AM – March 1, 2012, 9:24 AM

  Authors

  • Rafael Fernandes

    • Columbia University and Los Alamos National Lab
    • Columbia University

  • A.V. Chubukov

    • University of Wisconsin-Madison

  • J. Knolle

    • Max-Planck-Institut fur Physik komplexer Systeme, Dresden

  • I. Eremin

    • Institut fur Theoretische Physik III, Ruhr-Universitat Bochum

  • J. Schmalian

    • Institut fur Theorie der Kondensierten Materie, Karlsruher Institut fur Technologie

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• Impurity-Induced Electronic Nematic State in Iron-Pnictide Superconductors

  ORAL

  March 1, 2012, 9:24 AM – March 1, 2012, 9:36 AM

  Authors

  • Youichi Yamakawa

    • Nagoya University

  • Yoshio Inoue

    • Nagoya University

  • Hiroshi Kontani

    • Nagoya University

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• Effect of uniaxial strain on the structural and magnetic phase transitions in BaFe$_2$As$_2$

  ORAL

  March 1, 2012, 9:36 AM – March 1, 2012, 9:48 AM

  Authors

  • Chetan Dhital

    • Boston College
    • Physics Department, Boston College

  • Z. Yamani

    • Canadian Neutron Beam center, Canada

  • Wei Tian

    • Oak ridge National Laboratory, Oakridge, TN

  • J. Zeretsky

    • Ames Laboratory

  • A.S. Sefat

    • Oak ridge National Laboratory, Oakridge, TN

  • Ziqiang Wang

    • Boston College

  • R.J. Birgeneau

    • University of California, Berkley

  • Stephen Wilson

    • Boston College
    • Department of Physics, Boston College, Chestnut Hill MA
    • Physics Department, Boston College

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• Anisotropic transport properties of the paramagnetic state of iron-based superconductors

  ORAL

  March 1, 2012, 9:48 AM – March 1, 2012, 10:00 AM

  Authors

  • J\"org Schmalian

    • Karlsruhe Institute of Technology (KIT)
    • Institut fur Theorie der Kondensierten Materie, Karlsruher Institut fur Technologie
    • Karlsruhe Institute of Technology, Karlsruhe, Germany

  • Elihu Abrahams

    • University of California Los Angeles

  • Rafael Fernandes

    • Columbia University and Los Alamos National Lab

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• Anisotropic magnetoelastic coupling in iron arsenide superconductors: an x-ray diffraction study in high magnetic field

  ORAL

  March 1, 2012, 10:00 AM – March 1, 2012, 10:12 AM

  Authors

  • Jacob Ruff

    • Advanced Photon Source, Argonne National Laboratory
    • Argonne National Laboratory

  • R.K. Das

    • Advanced Photon Source, Argonne National Laboratory

  • Z. Islam

    • Advanced Photon Source, Argonne National Laboratory

  • J.-H. Chu

    • Stanford University

  • H.-H. Kuo

    • Stanford University

  • I.R. Fisher

    • Stanford University

  • H. Nojiri

    • Tohoku University

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• In-plane structural and electronic anisotropy in de-twinned (Ba$_{1-x}$K$_x$)Fe$_2$As$_2$

  ORAL

  March 1, 2012, 10:12 AM – March 1, 2012, 10:24 AM

  Authors

  • Erick Blomberg

    • The Ames Laboratory, Ames, IA, USA.

  • M.A. Tanatar

    • The Ames Laboratory, Ames, IA, USA.

  • W.E. Straszheim

    • The Ames Laboratory, Ames, IA, USA.

  • B. Shen

    • Nanjin Universtiy, Nanjin, China.

  • H.H. Wen

    • Nanjin Universtiy, Nanjin, China.

  • R. Prozorov

    • The Ames Laboratory, Ames, IA, USA.

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• Nematic phase persisting above the superconducting dome of BaFe$_2$(As$_{1-x}$P$_x$)$_2$

  ORAL

  March 1, 2012, 10:24 AM – March 1, 2012, 10:36 AM

  Authors

  • S. Kasahara

    • Kyoto University

  • H.J. Shi

    • Kyoto University

  • K. Hashimoto

    • Kyoto University

  • T. Shibauchi

    • Kyoto University

  • T. Terashima

    • Kyoto University

  • Y. Matsuda

    • Kyoto University

  • T. Fukuda

    • JAEA SPring-8

  • K. Sugimoto

    • JASRI SPring-8

  • A.H. Nevidomskyy

    • Rice University

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• Unusual giant negative thermal expansion in La-doped CaFe$_{2}$As$_{2}$ superconducting single crystal

  ORAL

  March 1, 2012, 10:36 AM – March 1, 2012, 10:48 AM

  Authors

  • Alwyn Rebello

    • Montana State University

  • John J. Neumeier

    • Montana State University

  • Zhaoshun Gao

    • Chinese Academy of Sciences

  • Yanpeng Qi

    • Chinese Academy of Sciences

  • Yanwei Ma

    • Chinese Academy of Sciences

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• Lower critical field, anisotropy, and two-gap features of LiFeAs

  ORAL

  March 1, 2012, 10:48 AM – March 1, 2012, 11:00 AM

  Authors

  • Kalyan Sasmal

    • Department of Physics and TCSUH, University of Houston, Houston, Texas 77204-5002, USA

  • Bing Lv

    • Department of Chemistry and TCSUH, University of Houston, Houston, Texas 77204-5003, USA
    • TCSUH and Department of Physics, University of Houston

  • Z. Tang

    • Department of Chemistry and TCSUH, University of Houston, Houston, Texas 77204-5003, USA

  • Feng Yan Wei

    • Department of Physics and TCSUH, University of Houston, Houston, Texas 77204-5002, USA
    • TCSUH and Department of Physics, University of Houston
    • Texas Center for superconductivity at University of Houston Department of Physics
    • Texas Center for Superconductivity, University of Houston, Houston TX 77204-­5002, USA

  • Yu-Yi Xue

    • Department of Physics and TCSUH, University of Houston, Houston, Texas 77204-5002, USA
    • TCSUH and Department of Physics, University of Houston

  • A. Guloy

    • Department of Chemistry and TCSUH, University of Houston, Houston, Texas 77204-5003, USA

  • Paul Ching-Wu Chu

    • Department of Physics and TCSUH, University of Houston, Houston, Texas 77204-5002;Lawrence Berkeley National Laboratory, 1 Cyclotron Road, USA
    • TCSUH and Department of Physics, University of Houston
    • Texas Center for Superconductivity, University of Houston, Houston TX 77204-­5002, USA

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