TEMPERATURE-DEPENDENCE OF THE HALL-EFFECT IN HIGH-TEMPERATURE SUPERCONDUCTORS ABOVE AND BELOW T(C)

被引：4

作者：

GINSBERG, DM ^{[1
]}

DUDEY, RL ^{[1
]}

机构：

[1] UNIV ILLINOIS,RES RES LAB,URBANA,IL 61801

来源：

PHYSICA A | 1993年 / 200卷 / 1-4期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0378-4371(93)90534-B

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We review the sign reversal of the Hall angle theta(H) seen in many high-temperature superconductors in small magnetic fields. Preliminary data are presented for a tetragonal (and therefore untwinned) single crystal of YBa2Cu3O7-delta with 4% of the Cu atoms replaced by Co; the sign reversal of theta(H) is not seen. For an untwinned single-crystal sample of the undoped compound, the measured constant-pressure Hall-effect data above T(c) are converted to constant-volume data, so direct comparison can be made with theory.

引用

页码：351 / 356

页数：6

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