Magnetic shielding properties of YBa2Cu3O7-x tubes

被引：11
|
作者：
Muller, R. [1 ]
Fuchs, G. [1 ]
Grahl, A. [1 ]
Kohler, A. [1 ]
机构：
[1] Inst fur Festkorper- und, Werkstofforschung Dresden, Dresden, Germany
来源：
Superconductor Science and Technology | 1993年 / 6卷 / 04期
关键词：
Grain boundaries - Granular materials - Josephson junction devices - Magnetic field effects - Magnetic properties - Magnetic shielding - Magnetic variables measurement - Mathematical models - Structure (composition) - Transport properties - Tubes (components) - Yttrium compounds;
D O I：
10.1088/0953-2048/6/4/002
中图分类号：
学科分类号：
摘要：
The magnetic shielding properties of polycrystalline YBa2Cu3O7-x tubes have been investigated at 77 K in weak magnetic fields. Based on a detailed analysis of a grain-boundary weak-link picture of granular superconductors, their transport, magnetic field penetration, shielding and trapping behaviour are interpreted in terms of a critical state model. The correlation between properties and material structure is discussed.
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页码：225 / 232
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