Influence of waiting time on the levitation force between a permanent magnet and a superconductor

被引：4
|
作者：
Zhang, Xing-Yi [1 ]
Zhou, You-He
Zhou, Jun
机构：
[1] Lanzhou Univ, Coll Civil Engn & Mech, Key Lab Mech Western Disaster & Environm, Lanzhou 730000, Peoples R China
[2] Lanzhou Univ, Coll Civil Engn & Mech, Dept Mech & Engn Sci, Lanzhou 730000, Peoples R China
来源：
MODERN PHYSICS LETTERS B | 2008年 / 22卷 / 07期
基金：
中国国家自然科学基金;
关键词：
levitation force; waiting time; aging characteristic;
D O I：
10.1142/S0217984908014900
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
This paper describes the experimental results of the levitation force of single-grained YBaCuO bulk superconductors preparing by the top-seeded melt-growth method with different waiting time t(u) below an NdFeB permanent magnet. It was found that waiting time has large effects on the zero-field-cooled (ZFC) and field-cooled (FC) levitation force, and the levitation force shows aging characteristics at the liquid nitrogen temperature.
引用
收藏
页码：499 / 506
页数：8
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