Influence of local superconducting properties on pulsed field magnetization of YBCO bulk superconductor

被引：15
|
作者：
Fujiyama, K [1 ]
Shiraishi, R [1 ]
Ohsaki, H [1 ]
机构：
[1] Univ Tokyo, Grad Sch Frontier Sci, Ohsaki Lab, Dept Adv Energy, Kashiwa, Chiba 2778561, Japan
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2005年 / 426卷
关键词：
pulsed field magnetization; YBCO bulk; trapped field;
D O I：
10.1016/j.physc.2005.01.044
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Pulsed field magnetization (PFM) is an effective technique for utilizing (RE)BCO bulk superconductor as a strong flux source. Although the PFM needs a more compact excitation coil than the field cooling magnetization (FCM), resultant flux density distribution after PFM is more sensitive to local superconducting properties such as critical current density in the superconductor. This paper reports estimation of inhomogeneous superconducting properties of YBCO bulk from FCM experiments and flux density distribution after PFM tests with various strength of pulsed magnetic fields. Then the relation between these results is discussed. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：681 / 687
页数：7
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