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Fe-based Superconductors: Nematicity in 122 Systems

FOCUS · S69 · ID: 47608

Presentations

  • Probing nematicity and magnetism with combined tunable strain and x-ray scattering/fluorescence techniques

    ORAL · Invited

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    Publication: J.J. Sanchez et al. "The transport–structural correspondence across the nematic phase transition probed by elasto X-ray diffraction". Nature Materials 20, 1519-1524 (2021)<br>J.J. Sanchez et al. "Strongly anisotropic antiferromagnetic coupling in EuFe2As2 revealed by stress detwinning". Physical Review B 104, 10 (2021)<br>J.J. Sanchez et al. "Strain-switchable field-induced superconductivity". In preparation (2022)<br>J.J. Sanchez and C. Occhialini et al. "Spontaneous orbital anisotropy in the nematic phase of FeSe probed by elasto X-ray linear dichroism". In preparation (2022)

    Presenters

    • Joshua J Sanchez

      Massachusetts Institute of Technology, University of Washington, University of Washington / MIT

    Authors

    • Joshua J Sanchez

      Massachusetts Institute of Technology, University of Washington, University of Washington / MIT

    • Connor A Occhialini

      Massachusetts Institute of Technology, Massachusetts Institute of Technology MIT, Massachusetts Institute of Technology MI

    • Philip J Ryan

      Argonne National Laboratory

    • Jong Woo Kim

      Argonne National Laboratory, Advanced Photon Source, Argonne National Laboratory

    • Gilberto F Fabbris

      Argonne National Laboratory

    • Yongseong Choi

      Argonne National Laboratory, Argonne National Lab

    • Jian Liu

      University of Tennessee

    • Shashi K Pandey

      University of Tennessee

    • Paul T Malinowski

      University of Washington

    • Yue Shi

      University of Washington

    • Jiun-Haw Chu

      University of Washington

    • Igor Mazin

      George Mason University, Department of Physics and Astronomy and Quantum Science and Engineering Center, George Mason University, Fairfax, Virginia 22030, USA, Quantum Science and Engineering Center, Department of Physics and Astronomy - George Mason University

    • Riccardo Comin

      Massachusetts Institute of Technology MI, Massachusetts Institute of Technology, Massachusetts Institute of Technology MIT

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  • Nematicity and charge density wave in BaNi<sub>2</sub>As<sub>2</sub>

    ORAL

    –

    Presenters

    • Yucheng Guo

      Rice University

    Authors

    • Yucheng Guo

      Rice University

    • Mason Klemm

      Rice University

    • Ji Seop Oh

      Rice University, University of California Berkeley, University of California Berkeley

    • David J Singh

      University of Missouri

    • Yaofeng Xie

      Rice University

    • Robert G Moore

      Oak Ridge National Lab

    • Sergey Gorovikov

      Canadian Light Source

    • Tor Pedersen

      Canadian Light Source

    • Matteo Michiardi

      University of British Columbia

    • Jonathan D Denlinger

      Lawrence Berkeley National Laboratory, Lawrence Berkeley National Lab

    • Makoto Hashimoto

      SLAC National Accelerator Laboratory, SLAC - Natl Accelerator Lab, SLAC National Accelerator Lab

    • Donghui Lu

      SLAC - Natl Accelerator Lab, SLAC National Accelerator Laboratory, SLAC National Accelerator Lab

    • Sung-Kwan Mo

      Lawrence Berkeley National Laboratory

    • Robert J Birgeneau

      University of California, Berkeley

    • Pengcheng Dai

      Rice Univ, Rice University

    • Ming Yi

      Rice University, Rice Univ

    View abstract →

  • Emerging giant symmetric strain response in strongly hole-doped iron-based superconductors

    ORAL

    –

    Publication: [1] P. Wiecki, A.-A. Haghighirad, F. Weber, M. Merz, R. Heid, A. E. Böhmer, Dominant in-plane symmetric elastoresistance in CsFe2As2. Phys. Rev. Lett. 125, 187001 (2020)<br>[2] P. Wiecki, M. Frachet, A.-A. Haghighirad , T. Wolf, C. Meingast, R. Heid and A. E. Böhmer, Emerging symmetric strain response and weakening nematic fluctuations in strongly hole-doped iron-based superconductors, Nature Communications 12, 4824 (2021).

    Presenters

    • Anna Böhmer

      Institute EPIV, Ruhr-University Bochum and IQMT, Karlsruhe Institute of Technology, Germany

    Authors

    • Anna Böhmer

      Institute EPIV, Ruhr-University Bochum and IQMT, Karlsruhe Institute of Technology, Germany

    • Paul Wiecki

      IQMT, Karlsruhe Institute of Technology

    • mehdi frachet

      IQMT, Karlsruhe Institute of Technology

    • Thomas Wolf

      Karlsruhe Institute of Technology, IQMT, Karlsruhe Institute of Technology, KIT, Karlsruhe, Germany

    • Amir A Haghighirad

      Karlsruhe Institute of Technology, IQMT, Karlsruhe Institute of Technology

    • Christoph Meingast

      Karlsruhe Institute of Technology, IQMT, Karlsruhe Institute of Technology

    • Frank Weber

      IQMT, Karlsruhe Institute of Technology, KIT, Karlsruhe, Germany.

    • Michael Merz

      Karlsruhe Institute of Technology, IQMT, Karlsruhe Institute of Technology

    • Rolf Heid

      IQMT, Karlsruhe Institute of Technology

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  • Field-induced suppression of the C2-reentrant phase in Ba<sub>1-x</sub>K<sub>x</sub>Fe<sub>2</sub>As<sub>2</sub>

    ORAL

    –

    Presenters

    • Kristin Willa

      Karlsruhe Institute of Technology

    Authors

    • Kristin Willa

      Karlsruhe Institute of Technology

    • Roland Willa

      Karlsruhe Institute of Technology

    • Frederic Hardy

      Karlsruhe Institute of Technology

    • Liran Wang

      Karlsruhe Institute of Technology

    • Thomas Wolf

      Karlsruhe Institute of Technology, IQMT, Karlsruhe Institute of Technology, KIT, Karlsruhe, Germany

    • Peter Schweiss

      Karlsruhe Institute of Technology

    • Christoph Meingast

      Karlsruhe Institute of Technology, IQMT, Karlsruhe Institute of Technology

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  • Nematic correlation length in hole-doped and isovalent-doped<sub> </sub>superconductors

    ORAL

    –

    Publication: Shan Wu, et. al. Phys. Rev. Lett. 126, 107001 (2021).

    Presenters

    • Shan Wu

      Lawrence Berkeley National Laboratory

    Authors

    • Shan Wu

      Lawrence Berkeley National Laboratory

    • Yu Song

      Zhejiang University

    • Yu He

      Yale university, Yale University, yale university

    • Ming Yi

      Rice University, Rice Univ

    • Frano Alex

      University of California, San Diego

    • Xiang Chen

      University of California at Berkeley, University of California, Berkeley, UC Berkeley

    • Hiroshi Uchiyama

      Japan Synchrotron Radiation Research Institute, Spring-8

    • Ahmet Alatas

      Argonne National Laboratory

    • Ayman H Said

      Advanced Photon Source, Argonne National Laboratory

    • Liran Wang

      Karlsruhe Institute of Technology

    • Thomas Wolf

      Karlsruhe Institute of Technology, IQMT, Karlsruhe Institute of Technology, KIT, Karlsruhe, Germany

    • Christoph Meingast

      Karlsruhe Institute of Technology, IQMT, Karlsruhe Institute of Technology

    • Nikola Maksimovic

      University of California, Berkeley

    • James G Analytis

      University of California, Berkeley, University of California Berkeley

    • Alfred Q Baron

      RIKEN SPring-8 Center

    • Daisuke Ishikawa

      RIKEN SPring-8 Center

    • Robert J Birgeneau

      University of California, Berkeley

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  • Phonon softening and possible nematicity in BaNi<sub>2</sub>(As<sub>1-x</sub>P<sub>x</sub>)<sub>2</sub>

    ORAL

    –

    Presenters

    • Christoph Meingast

      Karlsruhe Institute of Technology, IQMT, Karlsruhe Institute of Technology

    Authors

    • Christoph Meingast

      Karlsruhe Institute of Technology, IQMT, Karlsruhe Institute of Technology

    • Liran Wang

      Karlsruhe Institute of Technology

    • Anmol Shukla

      Karlsruhe Institute of Technology

    • Kristin Willa

      Karlsruhe Institute of Technology

    • Frederic Hardy

      Karlsruhe Institute of Technology

    • Tom Lacmann

      Karlsruhe Institute of Technology

    • Michael Merz

      Karlsruhe Institute of Technology, IQMT, Karlsruhe Institute of Technology

    • Amir Haghighirad

      Karlsruhe Institute of Technology

    • Thomas Wolf

      Karlsruhe Institute of Technology

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  • Using Nuclear Quadrupolar Resonance, Combined with First Principles Calculations, to Investigate Spin Fluctuation Dynamics in Iron Pnictides

    ORAL

    –

    Presenters

    • Jaafar N Ansari

      George Mason University

    Authors

    • Jaafar N Ansari

      George Mason University

    • Igor Mazin

      George Mason University, Department of Physics and Astronomy and Quantum Science and Engineering Center, George Mason University, Fairfax, Virginia 22030, USA, Quantum Science and Engineering Center, Department of Physics and Astronomy - George Mason University

    • Karen L Sauer

      George Mason University

    View abstract →