Pinning in c-axis oriented YBa2Cu3O7-δ films studied with angular dependent magnetoresistivity

被引：5

作者：

Abdelhadi, M

Chow, KH

Jung, J

Hollmann, EK

Tumarkin, AV

机构：

[1] Univ Alberta, Dept Phys, Edmonton, AB T6G 2J1, Canada

[2] ELTECH, St Petersburg 197376, Russia

来源：

APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 10期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1063/1.2181652

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report measurements of the angular dependence of the magnetoresistivity in c-axis oriented YBa2Cu3O7-delta films near their superconducting transition temperature. The behavior of the samples falls into two categories. In some films, a local minimum in the resistivity is observed when the magnetic field is applied along the c axis, indicating that strong pinning of vortices is taking place. In other samples, no such minimum exists. The correlations between this behavior and the physical properties of the film are discussed, and possible candidates for the pinning centers presented. (c) 2006 American Institute of Physics.

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页数：3

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