Preparation of Bi-2212/Ag tapes by electrodeposition

被引：0
|
作者：
Chen, J [1 ]
Bhattacharya, R [1 ]
Padmanabhan, R [1 ]
Blaugher, R [1 ]
机构：
[1] Natl Renewable Energy Lab, Golden, CO 80401 USA
来源：
MATERIALS FOR HIGH-TEMPERATURE SUPERCONDUCTOR TECHNOLOGIES | 2002年 / 689卷
关键词：
D O I：
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Bi-2212 precursor films were deposited on both sides of polycrystalline Ag tapes by electrodeposition. After a melt-solidification process in flowing oxygen atmosphere, c-axis textured Bi-2212 films with J(c) (0T, 4.2K) up to 820,000 A/cm(2) were obtained. A post annealing in flowing nitrogen at 475degreesC for 25 minutes increased T-c from 72 K to 92 K, and J(c)(H=0T) > 17, 000A/cm(2) was observed at 60 K. No scaling behavior of the pinning force was observed, indicating more than one pinning mechanism in thus obtained Bi-2212/Ag tapes.
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页码：113 / 117
页数：5
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