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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