Focus Session: Fe-based Superconductors: Impurity Effects

Presentations

• Effect of heavy-ion and electron irradiation on properties of Fe-based superconductors

  COFFEE_KLATCH · Invited

  March 18, 2013, 11:15 AM – March 18, 2013, 11:51 AM

  Authors

  • Marcin Konczykowski

    • Institute of Electronic Materials Technology - Warsaw
    • Ecole Polytechnique - Palaiseau
    • Laboratoire des Solides Irradi\'es, CNRS UMR 7642 \& CEA-DSM-IRAMIS, Ecole Polytechnique, F-91128 Palaiseau cedex, France
    • Laboratoire des Solides Irradies, Ecole Polytechnique, CNRS-UMR7642, CEA-DSM-IRAMIS, 91128 Palaiseau, France

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• Impurity-induced changes in the superconducting order parameter in iron-based superconductors BaFe$_2$(As$_{1-x}$P$_x)_2$

  ORAL

  March 18, 2013, 11:51 AM – March 18, 2013, 12:03 PM

  Authors

  • Yuta Mizukami

    • Department of Physics, Kyoto University

  • Y. Kawamoto

    • Department of Physics, Kyoto University

  • K. Hashimoto

    • Department of Physics, Kyoto University

  • S. Kasahara

    • Department of Physics, Kyoto University

  • M. Konczykowski

    • Ecole Polytechnique

  • C.J. van der Beek

    • Ecole Polytechnique

  • B. Boizot

    • Ecole Polytechnique

  • R. Prozorov

    • The Ames Laboratory

  • Y. Wang

    • Department of Physics, University of Florida

  • A. Kreisel

    • Department of Physics, University of Florida

  • P.J. Hirschfeld

    • Department of Physics, University of Florida

  • V. Mishra

    • Materials Science Division, Argonne National Laboratory

  • Y. Matsuda

    • Department of Physics, Kyoto University

  • T. Shibauchi

    • Department of Physics, Kyoto University

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• Theoretical study of impurity effects in iron-based superconductors

  ORAL

  March 18, 2013, 12:03 PM – March 18, 2013, 12:15 PM

  Authors

  • Maria Navarro Gastiasoro

    • University of Copenhagen

  • Peter Hirschfeld

    • Department of Physics, University of Florida, Gainesville, FL
    • Department of Physics, University of Florida, Gainesville, Florida 32611, USA
    • University of Florida
    • Department of Physics, University of Florida, Gainesville, FL 32611-8440, USA
    • Univ. Florida

  • Brian Andersen

    • Center for Quantum Devices, Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen \O, Denmark
    • University of Copenhagen
    • Neils Bohr Institute

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• Enhancement of $T_c$ by impurity scattering in underdoped iron-arsenide superconductors

  ORAL

  March 18, 2013, 12:15 PM – March 18, 2013, 12:27 PM

  Authors

  • Maxim G. Vavilov

    • University of Wisconsin - Madison, Madison, WI, USA
    • Department of Physics, University of Wisconsin-Madison
    • University of Wisconsin-Madison, Madison, WI 53706

  • Rafael M. Fernandes

    • University of Minnesota, Minneapolis, MN 55455

  • Andrey V. Chubukov

    • University of Wisconsin-Madison, Madison, WI 53706

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• Using controlled disorder to distinguish $s_\pm$ and $s_{++}$ gap structure in Fe-based superconductors

  ORAL

  March 18, 2013, 12:27 PM – March 18, 2013, 12:39 PM

  Authors

  • Yan Wang

    • University of Florida
    • Department of Physics, University of Florida, Gainesville, Florida 32611, USA

  • Andreas Kreisel

    • Department of Physics, University of Florida, Gainesville, Florida 32611, USA

  • Peter Hirschfeld

    • Department of Physics, University of Florida, Gainesville, FL
    • Department of Physics, University of Florida, Gainesville, Florida 32611, USA
    • University of Florida
    • Department of Physics, University of Florida, Gainesville, FL 32611-8440, USA
    • Univ. Florida

  • Vivek Mishra

    • Materials Science Division, Argonne National Laboratory, Lemont, IL 60439, USA

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• Single nonmagnetic impurity resonance in FeSe-based 122-type superconductors as a probe for pairing symmetry

  ORAL

  March 18, 2013, 12:39 PM – March 18, 2013, 12:51 PM

  Authors

  • Qian-En Wang

    • Department of Physics and Center of Theoretical and Computational Physics, the University of Hong Kong

  • Zi-Jian Yao

    • Department of Physics and Center of Theoretical and Computational Physics, the University of Hong Kong

  • Fu-Chun Zhang

    • Department of Physics and Center of Theoretical and Computational Physics, the University of Hong Kong

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• Effect of electron irradiation on superconductivity in isovalently substituted Ba(Fe$_{1-x}$Ru$_x$)$_2$As$_2$

  ORAL

  March 18, 2013, 12:51 PM – March 18, 2013, 1:03 PM

  Authors

  • Ruslan Prozorov

    • Department of Physics and Astronomy, Iowa State University
    • The Ames Laboratory, Ames, IA 50011, USA

  • M.A. Tanatar

    • The Ames Laboratory, Ames, IA 50011, USA

  • A. Thaler

    • The Ames Laboratory, Ames, IA 50011, USA

  • S.L. Bud'ko

    • The Ames Laboratory, Ames, IA 50011, USA

  • P.C. Canfield

    • The Ames Laboratory, Ames, IA 50011, USA

  • M. Konczykowski

    • LSI, Ecole Polytechnique, Palaiseau, France

  • T. Shibauchi

    • Dept. of Physics, Kyoto Univ., Kyoto, Japan

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• Theoretical visualization of atomic-scale impurity states in Fe-based superconductors

  ORAL

  March 18, 2013, 1:03 PM – March 18, 2013, 1:15 PM

  Authors

  • Peayush Choubey

    • University of Florida

  • Peter Hirschfeld

    • Department of Physics, University of Florida, Gainesville, FL
    • Department of Physics, University of Florida, Gainesville, Florida 32611, USA
    • University of Florida
    • Department of Physics, University of Florida, Gainesville, FL 32611-8440, USA
    • Univ. Florida

  • Tom Berlijn

    • University of Florida

  • Chao Cao

    • Hangzhou Normal University

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• Effects of disordered Ru substitution in BaFe$_2$As$_2$: possible superdiffusion mechanism in real materials

  ORAL

  March 18, 2013, 1:15 PM – March 18, 2013, 1:27 PM

  Authors

  • Limin Wang

    • Brookhaven National Lab

  • Tom Berlijn

    • University of Florida
    • Brookhaven National Lab

  • Yan Wang

    • University of Florida
    • Department of Physics, University of Florida, Gainesville, Florida 32611, USA

  • Chia-Hui Lin

    • Brookhaven National Laboratory / Stony Brook University
    • Brookhaven National Lab, State university of New York, Stony Brook

  • Peter Hirschfeld

    • Department of Physics, University of Florida, Gainesville, FL
    • Department of Physics, University of Florida, Gainesville, Florida 32611, USA
    • University of Florida
    • Department of Physics, University of Florida, Gainesville, FL 32611-8440, USA
    • Univ. Florida

  • Wei Ku

    • Brookhaven National Laboratory
    • Brookhaven National Laboratory / Stony Brook University
    • Brookhaven National Lab, State university of New York, Stony Brook

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• Electron irradiation of iron-based superconductors

  ORAL

  March 18, 2013, 1:27 PM – March 18, 2013, 1:39 PM

  Authors

  • S. Demirdis

    • Laboratoire des Solides Irradi\'es, CNRS UMR 7642 \& CEA-DSM-IRAMIS, Ecole Polytechnique, F-91128 Palaiseau cedex, France

  • C.J. van der Beek

    • Laboratoire des Solides Irradi\'es, CNRS UMR 7642 \& CEA-DSM-IRAMIS, Ecole Polytechnique, F-91128 Palaiseau cedex, France

  • Marcin Konczykowski

    • Institute of Electronic Materials Technology - Warsaw
    • Ecole Polytechnique - Palaiseau
    • Laboratoire des Solides Irradi\'es, CNRS UMR 7642 \& CEA-DSM-IRAMIS, Ecole Polytechnique, F-91128 Palaiseau cedex, France
    • Laboratoire des Solides Irradies, Ecole Polytechnique, CNRS-UMR7642, CEA-DSM-IRAMIS, 91128 Palaiseau, France

  • S. Kasahara

    • Kyoto University
    • Research Center for Low Temperature and Materials Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan

  • T. Terashima

    • Research Center for Low Temperature and Materials Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan

  • R. Okazaki

    • Department of Physics, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan

  • T. Shibauchi

    • Department of Physics, Kyoto University
    • Department of Physics, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan

  • Y. Matsuda

    • Department of Physics, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan

  • D. Colson

    • Service de Physique de l'Etat Condens\'e, L'Orme des M\'erisiers, CEA-DSM-IRAMIS, F-91198 Gif-sur-Yvette, France

  • P. Gierlowski

    • Institute of Physics of the Polish Academy of Sciences, 32-46 Aleja Lotnik\'ow

  • Ruslan Prozorov

    • Ames Laboratory and Iowa State University
    • Department of Physics and Astronomy, Iowa State University
    • The Ames Laboratory, Ames, Iowa 50011, USA Department of Physics \& Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Lab

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• Impurity substitution effect on Dirac cone in Ba(FeAs)$_2$ studied by magnetoresistance

  ORAL

  March 18, 2013, 1:39 PM – March 18, 2013, 1:51 PM

  Authors

  • Takahiro Urata

    • Department of Physics, Graduate School of Science, Tohoku University
    • Department of physics, Graduate school of science, Tohoku University, Aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan

  • Yoichi Tanabe

    • Department of Physics, Graduate School of Science, Tohoku University
    • Department of physics, Graduate school of science, Tohoku University, Aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan

  • Khuong Huynh

    • Department of Physics, Graduate School of Science, Tohoku University
    • Department of physics, Graduate school of science, Tohoku University, Aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan

  • Satoshi Heguri

    • Department of Physics, Graduate School of Science, Tohoku University
    • Department of physics, Graduate school of science, Tohoku University, Aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan

  • Hidetoshi Oguro

    • High Field Laboratory for Superconducting Materials, Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan

  • Kazuo Watanabe

    • High Field Laboratory for Superconducting Materials, Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan

  • Katsumi Tanigaki

    • Department of physics, Graduate school of science \& WPI-Advanced Institute for Materials
    • Department of Physics, Graduate School of Science, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai, Japan
    • AIMR, Tohoku University
    • WPI-Advanced Institutes of Materials Research, Tohoku University, Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan

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• Effect of electron irradiation on superconductivity in isovalently substituted Ba(Fe$_{1-x}$Ru$_{x}$)$_{2}$As$_2$ and SrFe$_2$(As$_{1-x}$P$_x$)$_2$

  ORAL

  March 18, 2013, 1:51 PM – March 18, 2013, 2:03 PM

  Authors

  • C.P. Strehlow

    • The Ames Laboratory

  • A. Thaler

    • The Ames Laboratory

  • M.A. Tanatar

    • The Ames Laboratory

  • S.L. Bud'ko

    • The Ames Laboratory

  • P.C. Canfield

    • The Ames Laboratory

  • R. Prozorov

    • The Ames Laboratory

  • M. Koczykowski

    • LSI, Ecole Polytechnique

  • S. Miyasaka

    • Osaka University

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• Understanding the role of disorder in Fe-arsenide superconductors

  ORAL

  March 18, 2013, 2:03 PM – March 18, 2013, 2:15 PM

  Authors

  • James Analytis

    • University of California, Berkeley
    • University of California Berkeley

  • Hsueh-Hui Kuo

    • Stanford University

  • Ian Fisher

    • Stanford University, Stanford CA 94305, USA
    • Stanford University
    • Stanford Univeristy

  View abstract →