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

被引：0
|
作者：
Yabin Zhu
Yueliang Zhou
Zhen Liu
Shufang Wang
Zhenghao Chen
Huibin Lü
Guozhen Yang
Ling Xiao
Hongtao Ren
Yulei Jiao
Minghui Zheng
机构：
[1] Beijing Jiaotong University,Department of Physics, College of Science
[2] Chinese Academy of Sciences,Laboratory of Optical Physics Institute of Physics and Center for Condensed Matter Physics
[3] General Research Institute for Nonferrous Metals,undefined
来源：
Science in China Series G: Physics and Astronomy | 2004年 / 47卷
关键词：
YBCO thick films; electrophoretic deposition; melt-textured;
D O I：
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中图分类号：
学科分类号：
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 YBa2Cu3O7–5 (Y123) powder,Jc for the superconducting thick film by approaches described above reaches 7.008×103 A/cm2 (77 K, 0 T), which is greater than the value ever reported.
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页码：165 / 172
页数：7
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