Magnetic Field Dependence of Critical Current Density in Superconducting Y-Ba-Cu-O and Bi-Sr-Ca-Cu-O Films (Special Issue on High-Temperature Superconducting Electronics)
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概要
- 論文の詳細を見る
Nojima and Fujita have found a universal relation, irrespective of temperatures T, between the reduced field h=H / H_<ir>(T) and the reduced quantity of magnetization hysteresis m=ΔM(T, H) / ΔM(T, H=0), where H_<ir> is the irreversibility field and ΔM(T, H) is the hysteresis of magnetization for YBa_2Cu_3O_x and Bi_2Sr_2CaCu_2O_x films. We could explain this universal relation based on a scaling theory in a three-dimensional superconducting vortex-glass phase. The exponent ν derived by this relation coincides with that obtained by nonlinear I-V characteristics for YBa_2Cu_3O_x films.
- 社団法人電子情報通信学会の論文
- 1993-08-25
著者
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OSAKA Yukio
Faculty of Engineering, Hiroshima University
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Tamura Hideki
Faculty Of Eng. Yamagata Univ.
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Tamura Hideki
Faculty Of Engineering Hiroshima University
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Osaka Yukio
Faculty Of Engineering Hiroshima University
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