Superconductivity at 5.4 K in \beta-Bi2Pd
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概要
- 論文の詳細を見る
We investigate bulk superconductivity in a high-quality single crystal of Bi2Pd (\beta-Bi2Pd; space group: I4/mmm) with a superconducting transition temperature of 5.4 K, by exploring its electrical resistivity, magnetic susceptibility, and specific heat. The temperature dependence of the electrical resistivity shows convex-upward behavior at temperatures greater than 40--50 K, which can be explained using a parallel-resistor model. In addition, the temperature dependences of the upper critical magnetic field and the specific heat suggest that \beta-Bi2Pd is a multiple-band/multiple-gap superconductor.
- 2012-11-15
著者
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Tsukada Ichiro
Central Research Institute Of Electric Power Industry
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Kondo Ryusuke
Department Of Art And Science The University Of Tokyo
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Imai Yoshinori
Department Of Basic Science The University Of Tokyo
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Maeda Atsutaka
Department Of Applied Physics The University Of Tokyo
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KOMIYA Seiki
Central Research Institute of Electric Power Industry
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Nabeshima Fuyuki
Department Of Basic Science The University Of Tokyo
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Tsukada Ichiro
Central Research Institute of Electric Power Industry, Yokosuka, Kanagawa 240-0196, Japan
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YOSHINAKA Taiki
Department of Basic Science, the University of Tokyo, Meguro, Tokyo 153-8902, Japan
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Miyatani Kosuke
Department of Basic Science, the University of Tokyo, Meguro, Tokyo 153-8902, Japan
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Kondo Ryusuke
Department of Physics, Okayama University, Okayama 700-8530, Japan
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Nabeshima Fuyuki
Department of Basic Science, the University of Tokyo, Meguro, Tokyo 153-8902, Japan
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Komiya Seiki
Central Research Institute of Electric Power Industry, Yokosuka, Kanagawa 240-0196, Japan
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Maeda Atsutaka
Department of Basic Science, The University of Tokyo, Meguro, Tokyo 153-8902, Japan
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Imai Yoshinori
Department of Basic Science, the University of Tokyo, Meguro, Tokyo 153-8902, Japan
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