MAGNETOOPTICAL INVESTIGATIONS OF SUPERCONDUCTORS

被引：250

作者：

KOBLISCHKA, MR ^{[1
]}

WIJNGAARDEN, RJ ^{[1
]}

机构：

[1] FREE UNIV AMSTERDAM, FAC PHYS & ASTRON, 1081 HV AMSTERDAM, NETHERLANDS

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 1995年 / 8卷 / 04期

关键词：

D O I：

10.1088/0953-2048/8/4/002

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Magneto-optical investigations of the flux distributions in high-T-c superconductors are reviewed, The various techniques (which are all based on the Faraday effect) are compared with each other concerning resolution and working range of temperature and external magnetic field. A short description of the historical development of the magneto-optical methods is given and the existing equipment is classified. Various aspects of flux visualization are presented and special observations made by means of magneto-optical techniques are shown. The capability of the magneto-optical techniques to observe dynamic processes allows observation of flux motion due to thermal activation or even quantum creep, and under the influence of transport currents. It is shown that magneto-optical techniques are a unique tool to show that flux patterns are extremely sensitive to the presence of defects.

引用

页码：199 / 213

页数：15

共 128 条

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