Thickness dependence of the magnetic properties in YBa2Cu3O7-delta thin films

被引:2
|
作者
Prozorov, R
Sheriff, E
Yeshurun, Y
Shaulov, A
机构
[1] Institute of Superconductivity, Department of Physics, Bar Ilan University, Ramat - Gan
来源
PHYSICA C | 1997年 / 282卷
关键词
D O I
10.1016/S0921-4534(97)01174-X
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report on magnetization measurements in laser ablated YBa2Cu3O7-delta films with thickness 800 - 3000 Angstrom. The persistent current density j and the magnetic relaxation rate decrease with increase of the thickness. At certain conditions this leads to a crossing of the relaxation curves measured in films of different thickness. These results are explained considering surface effects which cause a non-homogeneous distribution of j along the film thickness.
引用
收藏
页码:2215 / 2216
页数:2
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