Violation of Kohler's rule by the magnetoresistance of a quasi-two-dimensional organic metal

被引：78

作者：

McKenzie, RH ^{[1
]}

Qualls, JS

Han, SY

Brooks, JS

机构：

[1] Univ New S Wales, Sch Phys, Sydney, NSW 2052, Australia

[2] Florida State Univ, Dept Phys, Tallahassee, FL 32306 USA

[3] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA

来源：

PHYSICAL REVIEW B | 1998年 / 57卷 / 19期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevB.57.11854

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The interlayer magnetoresistance of the quasi-two-dimensional metal alpha-(BEDT-TTF)(2)KHg(SCN)(4) is considered. In the temperature range from 0.5 to 10 K and for fields up to 10 T the magnetoresistance has a stronger temperature dependence than the zero-field resistance. Consequently Kohler's rule is not obeyed for any range of temperatures or fields. This means that the magnetoresistance cannot be described in terms of semiclassical transport on a single Fermi surface with a single scattering time. Possible explanations for the violations of Kohler's rule are considered, both within the framework of semiclassical transport theory and involving incoherent interlayer transport. The issues considered are similar to those raised by the magnetotransport of the cuprate superconductors. [S0163-1829(98)13219-8].

引用

页码：11854 / 11857

页数：4

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