OBSERVATION OF INPLANE ANISOTROPY OF VORTEX PINNING BY INCLINED COLUMNAR DEFECTS

Authors
SCHUSTER T INDENBOM MV KUHN H KRONMULLER H LEGHISSA M KREISELMEYER G
Citation
T. Schuster et al., OBSERVATION OF INPLANE ANISOTROPY OF VORTEX PINNING BY INCLINED COLUMNAR DEFECTS, Physical review. B, Condensed matter, 50(13), 1994, pp. 9499-9582
Citations number
23
Categorie Soggetti
Physics, Condensed Matter
Journal title
Physical review. B, Condensed matter → ACNP
ISSN journal
01631829
Volume
50
Issue
13
Year of publication
1994
Pages
9499 - 9582
Database
ISI
SICI code
0163-1829(1994)50:13<9499:OOIAOV>2.0.ZU;2-O
Abstract
The anisotropy of the critical current density introduced in the (a, b ) plane of DyBa2Cu3O7-delta single crystals by oblique irradiation wit h heavy ions is observed by magneto-optics. The pinning forces on vort ices oriented perpendicular to the (a, b) plane are largest when direc ted perpendicular to the columnar defects. Two modes of vortex motion are considered. Effects of flux creep and thermal depinning on the cri tical current density are discussed.