Superconducting gap anisotropy sensitive to nematic domains in FeSe

Takahiro Hashimoto; Yuichi Ota; Haruyoshi Q. Yamamoto; Yuya Suzuki; Takahiro Shimojima; Shuntaro Watanabe; Chuangtian Chen; Shigeru Kasahara; Yuji Matsuda; Takasada Shibauchi; Kozo Okazaki; Shik Shin

doi:10.1038/s41467-017-02739-y

Nature Communications (Jan 2018)

Superconducting gap anisotropy sensitive to nematic domains in FeSe

Takahiro Hashimoto,
Yuichi Ota,
Haruyoshi Q. Yamamoto,
Yuya Suzuki,
Takahiro Shimojima,
Shuntaro Watanabe,
Chuangtian Chen,
Shigeru Kasahara,
Yuji Matsuda,
Takasada Shibauchi,
Kozo Okazaki,
Shik Shin

Affiliations

Takahiro Hashimoto: Institute for Solid State Physics (ISSP), University of Tokyo
Yuichi Ota: Institute for Solid State Physics (ISSP), University of Tokyo
Haruyoshi Q. Yamamoto: Institute for Solid State Physics (ISSP), University of Tokyo
Yuya Suzuki: Quantum-Phase Electronics Center (QPEC) and Department of Applied Physics, University of Tokyo
Takahiro Shimojima: Quantum-Phase Electronics Center (QPEC) and Department of Applied Physics, University of Tokyo
Shuntaro Watanabe: Research Institute for Science and Technology, Tokyo University of Science
Chuangtian Chen: Beijing Center for Crystal R&D, Chinese Academy of Science (CAS)
Shigeru Kasahara: Department of Physics, Kyoto University
Yuji Matsuda: Department of Physics, Kyoto University
Takasada Shibauchi: Department of Advanced Materials Science, University of Tokyo
Kozo Okazaki: Institute for Solid State Physics (ISSP), University of Tokyo
Shik Shin: Institute for Solid State Physics (ISSP), University of Tokyo

DOI: https://doi.org/10.1038/s41467-017-02739-y
Journal volume & issue: Vol. 9, no. 1
pp. 1 – 7

Abstract

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The superconducting gap structure of FeSe remains a debated issue. Here, Hashimoto et al. report momentum dependence of the gap in single- and multi-domain regions of orthorhombic FeSe crystals, revealing an unusual node lifting of the gap structure in multi-domain regions.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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