Thickness effects on the pinning by columnar defects

被引：0

作者：

Silhanek, K ^{[1
]}

Guimpel, J

Civale, L

Lanza, H

Levy, P

机构：

[1] Ctr Atom Bariloche, Comis Nacl Energia Atom, RA-8400 Bariloche, Rio Negro, Argentina

[2] Inst Balseiro, RA-8400 Bariloche, Rio Negro, Argentina

[3] Comis Nacl Energia Atom, Dept Fis, RA-1429 Buenos Aires, DF, Argentina

来源：

PHYSICA C | 2000年 / 341卷

关键词：

D O I：

暂无

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We compare the angular dependence of the pinning of equivalent columnar defects in GdBa2Cu2O7 thin films and a thicker YBa2Cu3O7 single crystal. The tracks' related enhancement of the critical currents is much smaller for the case of the thin films. We interpret this thickness dependence as resulting from a competition between the pinning of the correlated structures, related to total sample thickness, and surface boundary conditions, which force the vortices to depin from the columnar defects near the sample surface.

引用

页码：1217 / 1218

页数：2

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