Asymmetric flux pinning in a regular array of magnetic dipoles

David J. Morgan; J. B. Ketterson

doi:10.1103/PhysRevLett.80.3614

Asymmetric flux pinning in a regular array of magnetic dipoles

David J. Morgan, J. B. Ketterson

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

287 Scopus citations

Abstract

The effect of a regular array of magnetic dipoles embedded in a superconducting film was investigated. A large asymmetry in critical currents was found between when the magnetic dipoles are aligned and antialigned with respect to an externally applied magnetic field. Enhanced pinning effects were observed when the flux lattice and the dipole lattice were commensurate. The data are used to infer pinning mechanisms, strengths, and sites.

Original language	English (US)
Pages (from-to)	3614-3617
Number of pages	4
Journal	Physical review letters
Volume	80
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.80.3614
State	Published - Jan 1 1998

ASJC Scopus subject areas

Physics and Astronomy(all)

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