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Enhancement of the Nernst effect by stripe order in a high-Tc superconductor

Author

Listed:
  • Olivier Cyr-Choinière

    (Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada)

  • R. Daou

    (Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada)

  • Francis Laliberté

    (Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada)

  • David LeBoeuf

    (Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada)

  • Nicolas Doiron-Leyraud

    (Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada)

  • J. Chang

    (Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada)

  • J.-Q. Yan

    (Texas Materials Institute, University of Texas at Austin, Austin, Texas 78712, USA
    Present address: Ames Laboratory, Ames, Iowa 50011, USA.)

  • J.-G. Cheng

    (Texas Materials Institute, University of Texas at Austin, Austin, Texas 78712, USA)

  • J.-S. Zhou

    (Texas Materials Institute, University of Texas at Austin, Austin, Texas 78712, USA)

  • J. B. Goodenough

    (Texas Materials Institute, University of Texas at Austin, Austin, Texas 78712, USA)

  • S. Pyon

    (University of Tokyo)

  • T. Takayama

    (University of Tokyo)

  • H. Takagi

    (University of Tokyo
    RIKEN (The Institute of Physical and Chemical Research))

  • Y. Tanaka

    (University of Tokyo
    RIKEN SPring8 Center)

  • Louis Taillefer

    (Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada
    Canadian Institute for Advanced Research, Toronto, Ontario M5G 1Z8, Canada)

Abstract

The Nernst erect enhanced The Nernst effect in metals is highly sensitive to two kinds of phase transition: superconductivity and density-wave order. The large positive Nernst signal observed in hole-doped high-Tc superconductors above their transition temperature Tc has so far been attributed to fluctuating superconductivity. Cyr-Choinière et al. report that in some of these materials the large Nernst signal is in fact caused by stripe order, a form of spin/charge modulation that causes a reconstruction of the Fermi surface. In LSCO doped with Nd or Eu, the onset of stripe order causes the Nernst signal to go from small and negative to large and positive.

Suggested Citation

  • Olivier Cyr-Choinière & R. Daou & Francis Laliberté & David LeBoeuf & Nicolas Doiron-Leyraud & J. Chang & J.-Q. Yan & J.-G. Cheng & J.-S. Zhou & J. B. Goodenough & S. Pyon & T. Takayama & H. Takagi & , 2009. "Enhancement of the Nernst effect by stripe order in a high-Tc superconductor," Nature, Nature, vol. 458(7239), pages 743-745, April.
    • Handle: RePEc:nat:nature:v:458:y:2009:i:7239:d:10.1038_nature07931
    DOI: 10.1038/nature07931
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    Cited by:

    1. Yingqiao Ma & Xinglong Ren & Ye Zou & Wenrui Zhao & Dongyang Wang & Zhen Ji & Juncheng Fan & Chaoyi Yan & Lanyi Xiang & Gaoyang Ge & Xiaojuan Dai & Fengjiao Zhang & Ting Lei & Henning Sirringhaus & Ch, 2025. "Observation of anomalously large Nernst effects in conducting polymers," Nature Communications, Nature, vol. 16(1), pages 1-10, December.

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