Substitution Effects on FeSe Superconductor
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概要
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We have investigated the effect of atomic substitutions in the FeSe system, which exhibits the simplest crystal structure among the iron-based superconductors. An enhancement of the superconducting transition temperature $T_{\text{c}}$ was observed with the substitution of S or Te for Se; the $T_{\text{c}}$ increased with S substitution by up to 20%, and also increased with Te substitution up to 75%. In contrast, Co or Ni substitutions for the Fe site significantly suppressed superconductivity. In this work we present a detailed description of the substitution technique employed to determine $T_{\text{c}}$ in the FeSe system.
- Physical Society of Japanの論文
- 2009-07-15
著者
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Takano Yoshihiko
National Inst. For Materials Sci. Ibaraki Jpn
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MIZUGUCHI Yoshikazu
National Institute for Materials Science
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Yamaguchi Takahide
National Institute For Materials Science
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TOMIOKA Fumiaki
National Institute for Materials Science
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Tsuda Shunsuke
National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047
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Tsuda Shunsuke
National Institute for Materials and Science, Tsukuba, Ibaraki 305-0047, Japan
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Tomioka Fumiaki
National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047
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Tomioka Fumiaki
National Institute for Materials and Science, Tsukuba, Ibaraki 305-0047, Japan
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Yamaguchi Takahide
National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047
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Yamaguchi Takahide
National Institute for Materials and Science, Tsukuba, Ibaraki 305-0047, Japan
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