FIELD AND TEMPERATURE-DEPENDENCE OF INTERGRANULAR HYSTERESIS IN YBA2CU3O7

被引:2
作者
KUMAR, S [1 ]
RAVIKUMAR, G [1 ]
MISHRA, PK [1 ]
CHADDAH, P [1 ]
DASANNACHARYA, BA [1 ]
PRASAD, R [1 ]
SONI, NC [1 ]
机构
[1] BHABHA ATOM RES CTR, DIV MET, BOMBAY 400085, INDIA
来源
PRAMANA-JOURNAL OF PHYSICS | 1990年 / 34卷 / 04期
关键词
74.30; 74.60; critical current density; High temperature superconductors; remnant magnetization;
D O I
10.1007/BF02845863
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have studied the variation of low field magnetization hysteresis in YBa2Cu3O7 as a function of the maximum magnetic field applied during a hysteresis cycle (1 G<H max<7.3 G) and also as a function of temperature (77 K<T<95 K). The remnant magnetization is studied as a function of H max and T and the measured dependences are explained using the extended critical state model. The potential of this technique as a contactless method of probing the temperature dependence of J c is discussed. © 1990 the Indian Academy of Sciences.
引用
收藏
页码:279 / 287
页数:9
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