A STUDY OF THE MOTION OF FLUX LINES IN YBA2CU3O7-DELTA EPITAXIAL FILM

被引：0
|
作者：
SHA, J
HE, ZH
SU, ZP
ZHAO, ZC
WANG, NL
ZHANG, QR
SHI, JZ
YAO, WG
QI, ZZ
机构：
[1] ZHEJIANG UNIV,DEPT PHYS,HANGZHOU 310027,PEOPLES R CHINA
[2] ACAD SINICA,INST SOLID STATE PHYS,HEFEI 230020,PEOPLES R CHINA
来源：
CHINESE PHYSICS | 1992年 / 12卷 / 01期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have studied the motion of flux lines in YBa2Cu3O7-delta epitaxial film using the Hall effect and the broadening of the resistance-temperature curves (R-T curves) in a magnetic field. From the broadened R-T curves we obtained the exponential relation between the activation energy for flux creep and the magnetic field. In the measurement of the Hall coefficient R(H) we discovered anomalous behavior of the Hall effect corresponding to the broadening of the R-T curves. We have also interpreted the changes in the R-T curves and the R(H)-T curves using a vortex-glass model and explored the various aspects of flux motion.
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页码：160 / 163
页数：4
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