Temperature dependence of upper critical field and anisotropy of YBa2Cu3O7

被引：11

作者：

Nanda, KK

机构：

[1] Institute of Physics, Bhubaneswar -751005, Sachivalaya Marg

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1996年 / 265卷 / 1-2期

关键词：

D O I：

10.1016/0921-4534(96)00281-X

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Like the conventional superconductors, the temperature dependence of upper critical field (B-c2) and anisotropy of effective mass (gamma) of YBa2Cu3O7 can be determined from the peak position of the specific heat in magnetic fields. It is argued that the upper critical field at T = 0 K (B-c20) cannot be extrapolated from the measurement in the critical region. The procedure to obtain B-c2 and a possible way to extrapolate B-c20 from specific-heat measurements is presented.

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页码：26 / 30

页数：5

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