Positive curvature in the temperature dependence of H-c2 in KxBa1-xBiO3

被引：29

作者：

Gantmakher, VF ^{[1
]}

Klinkova, LA ^{[1
]}

Barkovskii, NV ^{[1
]}

Tsydynzhapov, GE ^{[1
]}

Wiegers, S ^{[1
]}

Geim, AK ^{[1
]}

机构：

[1] UNIV NIJMEGEN, HIGH FIELD MAGNET LAB, NL-6500 GL NIJMEGEN, NETHERLANDS

来源：

PHYSICAL REVIEW B | 1996年 / 54卷 / 09期

关键词：

D O I：

10.1103/PhysRevB.54.6133

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report an upward curvature in the temperature dependence of the upper critical field H-c2(T) in KxBa1-xBiO3 single crystals using ac-susceptibility measurements and magnetic fields up to 25 T. A possible role of Landau quantization in such uncommon behavior is discussed.

引用

页码：6133 / 6136

页数：4

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