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Low-Temperature Chiral Crystal Structure and Superconductivity in (Pt0.2Ir0.8)3Zr5.
Watanabe, Yuto; Arima, Hiroto; Yamashita, Aichi; Miura, Akira; Moriyoshi, Chikako; Goto, Yosuke; Lee, Chul-Ho; Higashinaka, Ryuji; Usui, Hidetomo; Kawaguchi, Shogo; Hoshi, Kazuhisa; Mizuguchi, Yoshikazu.
Afiliação
  • Watanabe Y; Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan.
  • Arima H; Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan.
  • Yamashita A; Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan.
  • Miura A; Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido 060-0813, Japan.
  • Moriyoshi C; Graduate School of Science, Hiroshima University, Higashihiroshima, Hiroshima 739-8526, Japan.
  • Goto Y; National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8568, Japan.
  • Lee CH; National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8568, Japan.
  • Higashinaka R; Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan.
  • Usui H; Department of Applied Physics, Shimane University, Matsue, Shimane 690-8504, Japan.
  • Kawaguchi S; Japan Synchrotron Radiation Research Institute (JASRI), SPring-8, Sayo-gun, Hyogo 679-5198, Japan.
  • Hoshi K; Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan.
  • Mizuguchi Y; Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan.
J Am Chem Soc ; 146(1): 773-781, 2024 Jan 10.
Article em En | MEDLINE | ID: mdl-38148506
ABSTRACT
We report the observation of superconductivity in (Pt0.2Ir0.8)3Zr5 with a chiral space group (P6122) at low temperatures. The bulk nature of the superconductivity at a transition temperature of 2.2 K was confirmed using specific heat measurements. We revealed that (Pt0.2Ir0.8)3Zr5 obeys the weak-coupling Bardeen-Cooper-Schrieffer model, and the dominant mechanism in the upper critical field is the orbital pair-breaking limit rather than the Pauli-Clogston limit. This indicates that the antisymmetric spin-orbit coupling caused by the chiral crystal structure does not significantly affect the superconductivity of (Pt0.2Ir0.8)3Zr5.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: J Am Chem Soc Ano de publicação: 2024 Tipo de documento: Article
Texto completo
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XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: J Am Chem Soc Ano de publicação: 2024 Tipo de documento: Article