Preparation of Superconducting Bi-Sr-Ca-Cu-O Coating Films by the Sol-Gel Method Using an Aqueous Solution of Metal Acetates
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概要
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Superconducting Bi-Sr-Ca-Cu-O coating films have been prepared on YSZ (yttria-stabilized zirconia) and Al_2O_3 substrates by the sol-gel method using an aqueous solution of metal acetates containing tartaric acid. A film of 20 μm thickness on the YSZ substrate showed T_c(onset) at 115 K and T_c(end) at 79 K, consisting of Bi_2Sr_2CaCu_2O_x crystals with the c-axis perpendicular to the substrate. The reaction between the film and the YSZ and Al_2O_3 substrates produced CaZrO_3 and CuAl_2O_4, respectively, during heat treatment, which suppresses the formation of superconducting phases and causes the degradation of the superconducting properties of the films.
- 社団法人応用物理学会の論文
- 1990-07-20
著者
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YOKO Toshinobu
Institute for Chemical Research, Kyoto University
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YOKO Toshinobu
Insititute for Chemical Research, Kyoto University
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Yoko T
Institute For Chemical Research Kyoto University
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Yoko Toshinobu
Institute For Chemical Research Kyoto University
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Sakka S
Kyoto Univ. Kyoto
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Sakka Sumio
Institute For Chemical Research Kyoto University
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Zhuang Haoren
Institute For Chemical Research Kyoto University
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KOZUKA Hiromitsu
Institute for Chemical Research, Kyoto University
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Kozuka Hiromitsu
Institute For Chemical Research Kyoto University
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