Recovery Process of the Conductance of Au Electrode on YBa2Cu3O7-δ
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概要
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The recovery of the electrode conductance for Au metal on YBa2Cu3O7-δ (YBCO) has been investigated. The reduction in the electrode resistance, which is defined as the inverse of the electrode conductance, was measured during heat treatment ranging from 150 to 280° C. The reduction has been characterized by two relaxation processes with activation energies of 0.52±0.04 and 1.40±0.03 eV. The former activation energy corresponds to that of the process in which the oxygen-deficient layer at the YBCO surface is replenished by oxygen diffusion from the bulk, and the latter to that of the process of rearrangement of Au atoms at the YBCO/Au interface which results in improved interconnections between Au metal and YBCO.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 1996-12-15
著者
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Yamada Nobuyoshi
Department Of Applied Physics And Chemistry The University Of Electro-communications
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Iri Takeo
Department Of Applied Physics And Chemistry University Of Electro-communications
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Oka Katsutoshi
Department Of Applied Physics And Chemistry University Of Electro-communications
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Oka Katsutoshi
Department of Applied Physics and Chemistry, University of Electro-Communications, Chofu, Tokyo 182, Japan
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Yamada Nobuyoshi
Department of Applied Physics and Chemistry, University of Electro-Communications, Chofu, Tokyo 182, Japan
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