Magnetic Hysteresis Effects in the ac Susceptibility of YBaCuO Ceramics

被引:0
|
作者
Angurel, L. A. [1 ]
Lera, F. [1 ]
Rillo, C. [1 ]
Navarro, R. [1 ]
机构
[1] Univ Zaragoza, CSIC, Inst Ciencia Mat Aragon, Ctr Politecn Super, E-50015 Zaragoza, Spain
来源
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1994年 / 235-40卷
关键词
D O I
10.1016/0921-4534(94)91121-5
中图分类号
O59 [应用物理学];
学科分类号
摘要
Dc field magnetic hysteresis effects in ac susceptibility measurements have been measured on YBaCuO ceramic samples at different temperatures. The onset of hysteresis takes place at a field for which flux begins to penetrate inside the grains. Two regimes have been found. At low fields, hysteresis is weak and can be explained considering the evolution of the local intergranular field. At higher fields, a second regime, associated with intragranular effects, is observed.
引用
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页码:3189 / 3190
页数:2
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