MAGNETIC AND MICROSTRUCTURAL PROPERTIES OF YBA2CU3O7-X-AG COMPOSITE

被引：2
|
作者：
SEN, D
BHATTACHARYA, D
GHATAK, SK
CHOPRA, KL
机构：
[1] Department of Physics and Meteorology, Indian Institute of Technology, Kharagpur
[2] Materials Science Centre, Indian Institute of Technology, Kharagpur
来源：
BULLETIN OF MATERIALS SCIENCE | 1991年 / 14卷 / 04期
关键词：
SUPERCONDUCTORS; YBACUO-AG COMPOSITE; AC SUSCEPTIBILITY; INTERGRAIN SHIELDING CURRENT;
D O I：
10.1007/BF02747451
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The magnetic response of YBa2Cu3O7-x-5 mol% Ag composite to low-frequency magnetic field and its microstructure have been studied. Microstructural analysis shows evidence of platelet-type grain growth and silver fills the intergranular regions. The granular nature of the sample is revealed from the strong decrease in a.c. response in the presence of d.c. magnetic field. The intergranular shielding current estimated from the complex response and using the Bean's model sharply increases with temperature below transition temperature.
引用
收藏
页码：927 / 930
页数：4
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