INTRINSIC PINNING AND GUIDED MOTION OF VORTICES IN HIGH-T-C SUPERCONDUCTORS

被引：16
|
作者：
VASEK, P [1 ]
JANECEK, I [1 ]
PLECHACEK, V [1 ]
机构：
[1] TECH UNIV OSTRAVA, FAC SCI, CS-70833 OSTRAVA, CZECH REPUBLIC
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1995年 / 247卷 / 3-4期
关键词：
D O I：
10.1016/0921-4534(95)00212-X
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The anisotropy of the vortex motion has been studied on textured samples of Bi based superconductors. For some orientation of the magnetic field and transport current with respect to the preferential orientation of grains a Hall (transverse) voltage even in a magnetic field has been observed in the mixed state in the low-temperature range. The observed dependences have been discussed as a result of the guided motion of vortices due to intrinsic pinning due to the layered structure of the material under study. The increase of the temperature suppresses the anisotropy of the pinning and even the voltage disappears.
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页码：381 / 384
页数：4
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