Article (Scientific journals)
Anisotropic scaling in YBa2Cu3O7 crystals with columnar defects
Silhanek, Alejandro; Civale, L.
2004In Journal of Low Temperature Physics, 135 (1-2), p. 157-160
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Keywords :
superconductivity
Abstract :
[en] We explore the interplay between the mass anisotropy and the uniaxial pinning of tilted columnar defects (CD) in a YBa2Cu3O7 single crystal. At high temperatures T and fields H a sharp peak in the irreversible magnetization M-i at the direction of the tracks signals the presence of the CD. At low T such a peak is not observed, and the influence of the CD appears only as a perturbation to the angular dependence due to the anisotropy. We show that at low T and high H the uniaxial effects due to CD can be recovered by performing an anisotropic rescaling. As expected, this scaling fails at low H.
Disciplines :
Physics
Author, co-author :
Silhanek, Alejandro  ;  Centro Atomico Bariloche (Argentina) > Instituto Balseiro
Civale, L.
Language :
English
Title :
Anisotropic scaling in YBa2Cu3O7 crystals with columnar defects
Publication date :
2004
Journal title :
Journal of Low Temperature Physics
ISSN :
0022-2291
eISSN :
1573-7357
Publisher :
Springer Science & Business Media B.V.
Volume :
135
Issue :
1-2
Pages :
157-160
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 14 November 2011

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