Angular dependence of the c-axis normal state magnetoresistance in single crystal Tl2Ba2CuO6

被引：92

作者：

Hussey, NE ^{[1
]}

Cooper, JR ^{[1
]}

Wheatley, JM ^{[1
]}

Fisher, IR ^{[1
]}

Carrington, A ^{[1
]}

Mackenzie, AP ^{[1
]}

Lin, CT ^{[1
]}

Milat, O ^{[1
]}

机构：

[1] UNIV ZAGREB,INST PHYS,ZAGREB 41000,CROATIA

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 76卷 / 01期

关键词：

D O I：

10.1103/PhysRevLett.76.122

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report measurements of the normal state magnetoresistance (MR) from 30 to 340 K in fields B up to 13 T for single crystals of overdoped Tl2Ba2CuO6 (T-c less than or equal to 25 K). For out-of-plane current flow, the transverse MR Delta rho(c)/rho(c) is large and positive. On rotating B within the a-b plane, Delta rho(c)/rho(c) exhibits a striking anisotropy with fourfold symmetry. The amplitude of this effect increases as B-4 and the maximum MR occurs for B along the [110] crystallographic directions, i.e., at 45 degrees to the Cu-O-Cu bonds. This the first direct evidence for anisotropy of the in-plane mean free path in the cuprates.

引用

页码：122 / 125

页数：4

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