Article (Scientific journals)
Thickness effects on the pinning by columnar defects
Silhanek, Alejandro; Guimpel, J.; Civale, L. et al.
2000In Physica C. Superconductivity, 341 (Part 2), p. 1217-1218
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Keywords :
superconductivity
Abstract :
[en] 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.
Disciplines :
Physics
Author, co-author :
Silhanek, Alejandro  ;  Centro Atomico Bariloche (Argentina) > Instituto Balseiro
Guimpel, J.
Civale, L.
Lanza, H.
Levy, P.
Language :
English
Title :
Thickness effects on the pinning by columnar defects
Publication date :
2000
Journal title :
Physica C. Superconductivity
ISSN :
0921-4534
eISSN :
1873-2143
Publisher :
Elsevier Science, Amsterdam, Netherlands
Volume :
341
Issue :
Part 2
Pages :
1217-1218
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 18 November 2011

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