Anisotropic critical currents in Ba2YCu3O7 analyzed using an extended Bean model

E. M. Gyorgy; R. B. Van Dover; K. A. Jackson; L. F. Schneemeyer; J. V. Waszczak

doi:10.1063/1.102387

Anisotropic critical currents in Ba₂YCu₃O₇ analyzed using an extended Bean model

E. M. Gyorgy, R. B. Van Dover, K. A. Jackson, L. F. Schneemeyer, J. V. Waszczak

Chemistry and Biochemistry

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722 Scopus citations

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.

Original language	English
Pages (from-to)	283-285
Number of pages	3
Journal	Applied Physics Letters
Volume	55
Issue number	3
DOIs	https://doi.org/10.1063/1.102387
State	Published - 1989

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title = "Anisotropic critical currents in Ba2YCu3O7 analyzed using an extended Bean model",

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.",

author = "Gyorgy, {E. M.} and {Van Dover}, {R. B.} and Jackson, {K. A.} and Schneemeyer, {L. F.} and Waszczak, {J. V.}",

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AU - Van Dover, R. B.

AU - Jackson, K. A.

AU - Schneemeyer, L. F.

AU - Waszczak, J. V.

PY - 1989

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N2 - 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.

AB - 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.

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IS - 3

ER -

Anisotropic critical currents in Ba₂YCu₃O₇ analyzed using an extended Bean model

Abstract

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