Absorption and Desorption of Oxygen in Y_1Ba_2Cu_3O_<7-δ>
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概要
- 論文の詳細を見る
The absorption and desorption velocities of oxygen in a Y_1Ba_2Cu_3O_<7-δ> sintered sample were measured by a ther-mogravimetric analysis when the atmospheric gas of nitrogen was exchanged for oxygen and oxygen for nitrogen. The weight change of the sample could be expressed by an exponential function of time in each process. In the absorption process of oxygen, the time constant was a complex function of the temperature, while in the desorption process, it was the monotonous temperature dependence. The diffusion constant and the activation energy were estimated at the temperature range of the tetragonal phase.
- 社団法人応用物理学会の論文
- 1989-11-20
著者
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Yoshizaki Kiyoshi
Materials & Electronic Devices Laboratory, Mitsubishi Electric Corp.
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Umemura T
Mitsubishi Electric Corp. Kanagawa Jpn
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UMEMURA Toshio
Materials & Electronic Devices Laboratory, Mitsubishi Electric Corporation
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EGAWA Kunihiko
Materials & Electronic Devices Laboratory, Mitsubishi Electric Corporation
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WAKATA Mitsunobu
Materials & Electronic Devices Laboratory, Mitsubishi Electric Corporation
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Egawa Kunihiko
Materials & Electronic Devices Laboratory Mitsubishi Electric Corp.
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Wakata M
Mitsubishi Electric Corp. Kanagawa Jpn
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Yoshizaki Kiyoshi
Materials & Electronic Devices Laboratory Mitsubishi Electric Corporation
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Wakata Mitsunobu
Materials & Electronic Devices Laboratory Mitsubishi Electric Corporation
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WAKATA Mitsunobu
Department of Physics, Faculty of Science, Tokyo Institute of Technology
関連論文
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- Y-Ba-Cu-O Superconducting Films with High J_c Values by MOCVD using Ba-Addition Products
- EXAFS Study on the Local Structure of Cu in Bi-Pb-Sr-Ca-Cu-O Systems
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