Intergrain and Intragrain Critical Current Densities of Ag-Doped YBa_2Cu_3O_<7-y> Superconductors
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概要
- 論文の詳細を見る
The effects of Ag doping on the intergrain and intragrain critical current density properties of YBa_2Cu_3O_<7-y> superconductors were investigated. As a result of AC inductive measurement and four-probe DC measurement, it becomes clear that both intergrain and intragrain critical current densities are enhanced below 10 wt% Ag. This improvement suggests that Ag particles which precipitated in YBa_2Cu_3O_<7-y> grains act as pinning centers. At high Ag concentration of more than 15 wt%, intergrain critical current density decreases though the intragrain critical current density is enhanced. The influence of pinning force and grain boundaries is discussed at a macroscopic level.
- 社団法人応用物理学会の論文
- 1995-09-15
著者
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Goto Shin'ichi
Department Of Instrumentation Engineering Faculty Of Science And Technology Keio University
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SHIIKI Kazuo
Department of Applied Physics and Physico-Informatics, Keio University
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Shiiki Kazuo
Department Of Applied Physics And Physico-informatics Keio University
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Shiiki Kazuo
Department Of Instrumentation Engineering Faculty Of Science And Technology Keio University
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