Pulse field magnetization of melt-processed Sm-Ba-Cu-O

被引：28
|
作者：
Ikuta, H
Ishihara, H
Hosokawa, T
Yanagi, Y
Itoh, Y
Yoshikawa, M
Oka, T
Mizutani, U
机构：
[1] Nagoya Univ, Ctr Integrated Res Sci & Engn, Chikusa Ku, Nagoya, Aichi 4648603, Japan
[2] Nagoya Univ, Dept Crystalline Mat Sci, Chikusa Ku, Nagoya, Aichi 4648603, Japan
[3] IMRA Mat Res & Dev Co Ltd, Aichi 4480021, Japan
来源：
SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2000年 / 13卷 / 06期
关键词：
D O I：
10.1088/0953-2048/13/6/345
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We studied the dynamical motion of flux lines in melt-processed Sm-Ba-Cu-O (SmBCO) bulk-superconductors driven by a magnetic pulse at 77 K. The total amount of trapped magnetic flux (Phi(T)) as a function of the magnitude of pulse exhibited a peak; the decrease of Phi(T) for large pulses is attributed to the increase in temperature of the sample due to the resistive force exerted on moving flux lines. Compared to melt-processed Y-Ba-Cu-O, it is found that the penetration of Bur lines into the sample requires a larger pulse, reflecting the strong pinning effect of SmBCO.
引用
收藏
页码：846 / 849
页数：4
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