Effect of excess Y2O3 addition on the physical properties of melt processed YBCO bulks

被引：0
|
作者：
Yang, WM [1 ]
Zhou, LA
Feng, Y
Zhang, PX
Wu, MZ
Gawalek, W
机构：
[1] Shaanxi Normal Univ, Dept Phys, Xian 710062, Peoples R China
[2] NW Inst Nonferrous Met Res, Xian 710016, Peoples R China
[3] IPHT, Jena, Germany
来源：
SCIENCE IN CHINA SERIES G-PHYSICS ASTRONOMY | 2004年 / 47卷 / 01期
关键词：
YBCO superconductor; melt growth; Y2O3; addition; levitation force;
D O I：
10.1360/03yw0080
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The YBCO superconductors with Y2O3 addition were prepared by a modified melt textured process and the, effects of excess Y2O3 addition on the physical properties of melt textured YBCO have been investigated. It is found that the melt temperature of YBCO samples decreases drastically with the increasing Y2O3, and the maximum levitation forces are drastically different for samples with different Y2O3 addition. It is also found that the optimal Y2O3 addition to YBCO is about 10wt%., Considering. the microstructure and the starting composition, the results are well discussed and interpreted.
引用
收藏
页码：17 / 23
页数：7
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