TITLE

Anisotropic critical currents in Ba2YCu3O7 analyzed using an extended Bean model

AUTHOR(S)
Gyorgy, E. M.; van Dover, R. B.; Jackson, K. A.; Schneemeyer, L. F.; Waszczak, J. V.
PUB. DATE
July 1989
SOURCE
Applied Physics Letters;7/17/1989, Vol. 55 Issue 3, p283
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We have extended Bean's critical state model to explicitly include anisotropic critical currents. Measurements at 30 K of the critical currents parallel to the Cu-O planes but with vortex motion either parallel or across twin boundaries show twin boundaries are probably not an important cause of vortex pinning. In the critical state, current flow perpendicular to the Cu-O planes is about 30 times smaller than flow parallel to these planes.
ACCESSION #
9831991

 

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