MAGNETIZATION AND PINNING MEASUREMENTS WITH THE VIBRATING REED ON HIGH-TC CERAMICS

被引：11
作者：
ESQUINAZI, P
DURAN, C
机构：
[1] Centro Atomico Bariloche, Argentina
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1988年 / 153卷 / 02期
关键词：
Ceramic Materials - Oxides;
D O I：
10.1016/0921-4534(88)90390-5
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
By means of the vibrating reed technique, we have measured the lower critical field and the elastic coupling of vortices to pinning centers in La-Sr-Cu-O and Eu-Ba-Cu-O ceramics. Our results indicate that the diamagnetism probed by the reed and the pinning scaling behavior depend on the amount of oxygen in the La-based ceramic. In the Eu-based sample the lower critical field has a highly anomalous temperature dependence.
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页码：1499 / 1500
页数：2
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