The effect of temperature on Jc and n-va
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Zhengdao Wang; Zhaojia Chen; Yuqing Zhou; Zhengzhong Duan; Wenquan Wang
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Article
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2000
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Elsevier Science
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English
โ 263 KB
The critical current density and n-values on four types of Bi 2 Sr 2 Ca 2 CuO x tapes have been studied from 40 K to the critical temperature. The results showed that the critical current density appears in three periods with decreasing temperature. Compared to Ag alloy-sheathed tapes, the critical