Temperature dependence of the Hall effect in single-layer and bilayer Bi2Sr2Can-1CunOy thin films at various oxygen contents

被引：46

作者：

Konstantinovic, Z ^{[1
]}

Li, ZZ ^{[1
]}

Raffy, H ^{[1
]}

机构：

[1] Univ Paris 11, Phys Solides Lab, F-91405 Orsay, France

来源：

PHYSICAL REVIEW B | 2000年 / 62卷 / 18期

关键词：

D O I：

10.1103/PhysRevB.62.R11989

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Harl coefficient R-H(T) is studied in epitaxial c-axis-oriented single-layer Bi2Sr1.6La0.4CuOy and bilayer Bi2Sr2CaCu2Oy thin films at various oxygen concentrations going from overdoped to underdoped. In both phases, the Hall angle obeys the law B+CTalpha (1.65 less than or equal to alpha less than or equal to2), with alpha increasing with decreasing oxygen content, yielding a T-2 dependence only in the underdoped region. The temperature T-0 below which an upward deviation from this law occurs is compared to the pseudogap temperature T* deduced from resistivity rho (T). The manifestation of the pseudogap opening in the Hall effect is discussed.

引用

页码：11989 / 11992

页数：4

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