Approaches to improving critical current density of YBCO superconducting thick films deposited by electrophoresis

被引：0
|
作者：
Zhu, YB [1 ]
Zhou, YL
Liu, Z
Wang, SF
Chen, ZH
Lü, HB
Yang, GZ
Xiao, L
Ren, HT
Jiao, YL
Zheng, MH
机构：
[1] Beijing Jiaotong Univ, Coll Sci, Dept Phys, Beijing 100044, Peoples R China
[2] Chinese Acad Sci, Inst Phys, Lab Opt Phys, Beijing 100080, Peoples R China
[3] Chinese Acad Sci, Ctr Condensed Matter Phys, Beijing 100080, Peoples R China
[4] Gen Res Inst NonFerrous Met, Beijing 100088, Peoples R China
来源：
SCIENCE IN CHINA SERIES G-PHYSICS ASTRONOMY | 2004年 / 47卷 / 02期
关键词：
YBCO thick films; electrophoretic deposition; melt-textured;
D O I：
10.1360/03yw0211
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Fabrication of YBCO superconducting thick films by electrophoresis has been widely reported. However, the value of critical current density (Jc) is far from what the practical application requires. The superconducting thick films are obtained using top-seeded melt growth method with different proportional Y2BaCuO5 (Y211) addition. High-pressure oxygen has been used in the annealing process to improve the uniformity of the oxygen content in the superconducting thick films. When 40mol% Y211 powder is added to the YBa2Cu3O7-delta (Y123) powder, J(c) for the superconducting thick film by approaches described above reaches 7.008x10(3) A/cm(2) (77 K, 0 T), which is greater than the value ever reported.
引用
收藏
页码：165 / 172
页数：8
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