Published July 15, 1991 | Version v1
Journal article

Direct observation of intrinsic pinning by layered structure in single-crystal YBa2Cu3O7-δ

  • 1. Science and Technology Center for Superconductivity and Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439 (USA)

Description

The intrinsic pinning in twinned and untwinned single-crystal YBa2Cu3O7-δ is observed using a novel crossed-magnetic-field technique for obtaining angular resolutions of Δθ<0.005 degree. The pinning occurs for magnetic-field directions within a critical angle θ*<1 degree of the Cu-O planes. The data are discussed in the context of a lock-in transition of vortices in the a-b plane of the crystal

Additional details

Publishing Information

Journal Title
Physical Review Letters
Journal Volume
67
Journal Issue
3
Series
Phys. Rev. Lett.
Journal Page Range
390-393
ISSN
0031-9007
CODEN
PRLTA