PENETRATION DEPTH LAMBDA(T) OF YBA2CU3O7-DELTA FILMS DETERMINED FROM THE KINETIC INDUCTANCE

被引：45

作者：

LEE, JY

LEMBERGER, TR

机构：

[1] Department of Physics, Ohio State University, Columbus

来源：

APPLIED PHYSICS LETTERS | 1993年 / 62卷 / 19期

关键词：

D O I：

10.1063/1.109383

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We examine the temperature dependence of the magnetic penetration depth lambda(T) of YBa2Cu3O7-delta, determined from the kinetic inductance of a film patterned into a long meander fine. This technique has sufficient sensitivity to study lambda(T) to lower temperatures than have been examined previously. A numerical model which includes both the magnetic and kinetic inductances of the samples extracts lambda(T) from the measured voltage. In reasonable agreement with other measurements, lambda(0) almost-equal-to 2100 angstrom is deduced from fitting lambda(0)2/lambda(T)2 to the function 1-(T/T(c))2 for T/T(c) > 0.4. We find lambda(T)/lambda(0) - 1 is proportional to (T/T(c))2 for 0.06 < T/T(c) < 0.4.

引用

页码：2419 / 2421

页数：3

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