Effect of Y2Ba4CuNbOy Additions on the Levitation Force of Single Domain YBCO Bulk Superconductor by the Top-Seeded Infiltration and Growth Process

被引：0
|
作者：
M. Wang
W. M. Yang
J. Fan
G. Z. Li
X. J. Zhang
Y. N. Tang
G. F. Wang
机构：
[1] Shaanxi Normal University,Department of Physics
来源：
Journal of Superconductivity and Novel Magnetism | 2012年 / 25卷
关键词：
Superconductor; YBCO; TSIG; Y; Ba; CuNbO;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The top-seeded infiltration and growth process (TSIG) is an important method for the preparation of YBa2Cu3O7−x (YBCO) bulk superconductors. In this paper, single domain YBCO bulk superconductors with different content of nanoscale Y2Ba4CuNbOy (YNb2411) inclusions have been fabricated by TSIG process. The growth morphology, microstructure and levitation force of the YBCO bulks have been investigated. It is found that the levitation force is increasing from 16.2 N to 20.9 N with the increasing of YNb2411 additions from 0 wt% to 2 wt%, and decreasing from 20.9 N to 14.0 N with the increasing of YNb2411 additions from 2 wt% to 5 wt%. The largest levitation force is obtained in the sample with 2 wt% YNb2411 addition. This is closely related with the addition content of YNb2411 nanoparticles and its distribution in the samples.
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页码：867 / 871
页数：4
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