Evidence of Inhomogeneous Superconductivity in FeTe1-xSex by Scotch-Tape Method
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概要
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We have fabricated thin films of FeTe1-xSex using a scotch-tape method. The superconductivities of the thin films are different from each other although these films were fabricated from the same bulk sample. The result clearly presents the inhomogeneous superconductivity in FeTe1-xSex. The difference might arise from inhomogeneity due to the excess Fe concentration. The resistivity of a thin film with low excess Fe shows good superconductivity with the sharp superconducting-transition width and more isotropic superconductivity.
- 2012-11-15
著者
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Takano Yoshihiko
National Inst. For Materials Sci. Ibaraki Jpn
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Takeya Hiroyuki
National Institute For Material Science
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Yamaguchi Takahide
National Institute For Materials Science
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DEGUCHI Keita
National Institute for Materials Science
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OZAKI Toshinori
National Institute for Materials Science
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Mizuguchi Yoshikazu
Department of Electrical and Electronic Engineering, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
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OKAZAKI Hiroyuki
National Institute for Materials Science, Tsukuba, Ibaraki 305-0047, Japan
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WATANABE Tohru
National Institute for Materials Science, Tsukuba, Ibaraki 305-0047, Japan
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Kawasaki Yasuna
National Institute for Materials Science, Tsukuba, Ibaraki 305-0047, Japan
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Demura Satoshi
National Institute for Materials Science, Tsukuba, Ibaraki 305-0047, Japan
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Denholme Saleem.
National Institute for Materials Science, Tsukuba, Ibaraki 305-0047, Japan
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Yamaguchi Takahide
National Institute for Materials and Science, Tsukuba, Ibaraki 305-0047, Japan
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Watanabe Tohru
National Institute for Materials and Science, Tsukuba, Ibaraki 305-0047, Japan
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