Impurity Effects on the Superconducting Transition Temperature of Na_zCoO_2・yH_2O (Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
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概要
- 論文の詳細を見る
Superconducting transition temperature T_c of Na_zCo_<1-x>M_xO_2・yH_2O has been studied for M = Ir and Ga, which can substitute for Co. It has been found that T_c is suppressed by the M-atom doping. The decreasing rates |dT_c/dx| are of the order of 1 K/% and too small to be explained by the pair breaking mechanism for the anisotropic order parameters by non-magnetic impurities. Brief arguments are given on possible origins of the T_c suppression.
- 社団法人日本物理学会の論文
- 2004-05-15
著者
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Sato M.
Department of Physics, Tokyo Institute of Technology
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Mori Yoshihisa
Institute Of Molecular Sciences
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Mori Y
Seiko Epson Corp. Nagano Jpn
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Mori Yoshihiro
Department Of Physics Faculty Of Science Tokyo University Of Science
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KOBAYASHI Y.
Department of Obstetrics and Gynecology, Hokkaido University School of Medicine
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WATANABE H.
Department of Physics, Kyushu University
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Yokoi M
Department Of Physics Division Of Material Science Nagoya University
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Mori Y
Department Of Physics Division Of Material Science Nagoya University
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Watanabe H
Department Of Physics Division Of Material Science Nagoya University
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MORI Y.
Department of Physics, Division of Material Science, Nagoya University
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YOKOI M.
Department of Physics, Division of Material Science, Nagoya University
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MOYOSHI T.
Department of Physics, Division of Material Science, Nagoya University
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Moyoshi T.
Department Of Physics Division Of Material Science Nagoya University
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Mlura Yoko
Department Of Physics Nagoya University
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Sato M.
Department of Orthopaedic Surgery, Nagoya City University Medical School
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Sato M.
Department of Electronic Engineering Faculty of Engineering Tohoku University
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