Article (Scientific journals)
Influence of nonlocal electrodynamics on the anisotropic vortex pinning in YNi2B2C
Silhanek, Alejandro; Thompson, J. R.; Civale, L. et al.
2001In Physical Review. B, Condensed Matter, 64 (1)
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Keywords :
superconductivity
Abstract :
[en] We have studied the pinning force density F-p of YNi2B2C superconductors for various field orientations. We observe anisotropies both between the c axis and the basal plane and within the plane that cannot be explained by the usual mass anisotropy. For magnetic field H parallel toc, the reorientation structural transition in the vortex lattice due to nonlocality, which occurs at a field H(1)similar to1 kOe, manifests itself as a kink in F-p(H). When H perpendicular toc, F-p is much larger and has a quite different H dependence, indicating that other pinning mechanisms are present. In this case the signature of nonlocal effects is the presence of a fourfold periodicity of F-p within the basal plane.
Disciplines :
Physics
Author, co-author :
Silhanek, Alejandro  ;  Centro Atomico Bariloche (Argentina) > Instituto Balseiro
Thompson, J. R.
Civale, L.
Paul, D. M.
Tomy, C. V.
Language :
English
Title :
Influence of nonlocal electrodynamics on the anisotropic vortex pinning in YNi2B2C
Publication date :
2001
Journal title :
Physical Review. B, Condensed Matter
ISSN :
0163-1829
eISSN :
1095-3795
Publisher :
American Institute of Physics, New York, United States - New York
Volume :
64
Issue :
1
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 11 November 2011

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