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Proceedings Paper

Periodic arrays of pinning centers in thin vanadium films
Author(s): Vitali Metlouchko; U. Welp; G. Crabtree; Zhao Zhang; Steven R. J. Brueck; B. Watkins; L. E. DeLong; B. Ilic; K. Chung; Peter J. Hesketh
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Paper Abstract

Commensurability effects between the superconducting flux line lattice and a square lattice of submicron holes in 1500 angstrom vanadium films were studied by atomic force microscopy, DC magnetization, AC susceptibility, magnetoresistivity and I-V measurements. Peaks in the magnetization and critical current at matching fields are found to depend nonlinearly upon the value of external AC field or current, as well as the IR symmetry of the flux line lattice.

Paper Details

Date Published: 9 December 1998
PDF: 11 pages
Proc. SPIE 3480, Superconducting Superlattices II: Native and Artificial, (9 December 1998); doi: 10.1117/12.332447
Show Author Affiliations
Vitali Metlouchko, Argonne National Lab. (United States)
U. Welp, Argonne National Lab. (United States)
G. Crabtree, Argonne National Lab. (United States)
Zhao Zhang, Univ. of New Mexico (United States)
Steven R. J. Brueck, Univ. of New Mexico (United States)
B. Watkins, Univ. of Kentucky (United States)
L. E. DeLong, Univ. of Kentucky (United States)
B. Ilic, Univ. of Illinois/Chicago (United States)
K. Chung, Univ. of Illinois/Chicago (United States)
Peter J. Hesketh, Univ. of Illinois/Chicago (United States)

Published in SPIE Proceedings Vol. 3480:
Superconducting Superlattices II: Native and Artificial
Ivan Bozovic; Davor Pavuna, Editor(s)

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