Influence of BaZrO3 Amount on Microstructure and Properties in YBa2Cu3O7-x Films Prepared by TFA-MOD Process

被引：4
|
作者：
Ding, Fazhu [1 ]
Gu, Hongwei [1 ]
Zhang, Teng [1 ]
机构：
[1] Chinese Acad Sci, Inst Elect Engn, Key Lab Appl Superconduct, Beijing 100190, Peoples R China
来源：
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2011年 / 24卷 / 04期
关键词：
YBa2Cu3O7-x film; TFA-MOD; BZO nanoparticles; Flux pinning; YBCO FILMS; ENHANCEMENT; MULTILAYERS;
D O I：
10.1007/s10948-010-0832-7
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Epitaxial YBa2Cu3O7-x /BaZrO3 films were prepared by complex metal-organic solutions including Y, Ba and Cu anhydrous trifluoroacetate precursors and Zr acetylacetonate precursors. The influence of the amount of BaZrO3 (BZO) on the structure and properties of YBa2Cu3O7-x (YBCO) films was systematically investigated. The YBCO films having 7 mol % BZO have a maximum critical current density (J (c)) value (77 K, 0 T) of 6.0 MA/cm(2). The enhanced J (c) derives from a high density of BZO nanoparticles existing in the YBCO matrix. With increasing BZO amount, J (c) of the YBCO films begins to decrease due to larger particles.
引用
收藏
页码：1353 / 1356
页数：4
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