MAGNETIC-FIELD DEPENDENCE OF CRITICAL-CURRENT IN YBCO-AG COMPOSITE SYSTEM

被引:5
|
作者
PETRISOR, T
GIURGIU, A
CIONTEA, L
机构
[1] Technical University, Department of Physics, 3400 Cluj-Napoca
关键词
D O I
10.1016/0964-1807(93)90430-A
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We have measured the temperature dependence of the electrical resistance, I-V and V-B characteristics of YBCO-Ag composites with 3,7 and 10 Ag wt.%. Temperature dependence of the electrical resistance reveals that the Ag has no influence on critical temperature. Magnetic hysteresis loop has been observed in V-B characteristic. The critical current distribution function was also computed. The CCD indicates a decrease of the critical current with Ag concentration increase, owing to Ag, which resides on the grain boundaries, forming a thick SNS jonction.
引用
收藏
页码:1219 / 1225
页数:7
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