Direct Observation of Nodes and Twofold Symmetry in FeSe Superconductor

  • Can-Li Song
    State Key Laboratory for Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, the People’s Republic of China.
  • Yi-Lin Wang
    Institute of Physics, Chinese Academy of Sciences, Beijing 100190, the People’s Republic of China.
  • Peng Cheng
    State Key Laboratory for Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, the People’s Republic of China.
  • Ye-Ping Jiang
    State Key Laboratory for Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, the People’s Republic of China.
  • Wei Li
    State Key Laboratory for Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, the People’s Republic of China.
  • Tong Zhang
    State Key Laboratory for Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, the People’s Republic of China.
  • Zhi Li
    Institute of Physics, Chinese Academy of Sciences, Beijing 100190, the People’s Republic of China.
  • Ke He
    Institute of Physics, Chinese Academy of Sciences, Beijing 100190, the People’s Republic of China.
  • Lili Wang
    Institute of Physics, Chinese Academy of Sciences, Beijing 100190, the People’s Republic of China.
  • Jin-Feng Jia
    State Key Laboratory for Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, the People’s Republic of China.
  • Hsiang-Hsuan Hung
    Department of Physics, University of California, San Diego, La Jolla, CA 92093–0319, USA.
  • Congjun Wu
    Department of Physics, University of California, San Diego, La Jolla, CA 92093–0319, USA.
  • Xucun Ma
    Institute of Physics, Chinese Academy of Sciences, Beijing 100190, the People’s Republic of China.
  • Xi Chen
    State Key Laboratory for Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, the People’s Republic of China.
  • Qi-Kun Xue
    State Key Laboratory for Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, the People’s Republic of China.

Description

<jats:p>Scanning tunneling spectroscopy suggests an orbital ordering mechanism for electron pairing in an iron-based superconductor.</jats:p>

Journal

  • Science

    Science 332 (6036), 1410-1413, 2011-06-17

    American Association for the Advancement of Science (AAAS)

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