Title: Anisotropic pinning in Nb thin films with triangular pinning arrays
Authors: Cao, R.
Wu, T. C.
Kang, P. C.
Wu, J. C.
Yang, T. J.
Horng, Lance
Department of Electrophysics
Keywords: superconductors;thin films;vortex
Issue Date: 1-Jul-2007
Abstract: A superconducting thin film with regular triangular arrays has been fabricated to explore the anisotropic vortex pinning behavior. We found that the critical currents for these films depend strongly on the current directions. Some interesting temperature-dependent phenomena are observed and discussed. We also made molecular dynamic simulations to study the dynamics of the vortex motion. The simulation results confirm the anisotropic features we found in the experiments. (c) 2007 Elsevier Ltd. All rights reserved.
URI: http://dx.doi.org/10.1016/j.ssc.2007.04.037
ISSN: 0038-1098
DOI: 10.1016/j.ssc.2007.04.037
Volume: 143
Issue: 3
Begin Page: 171
End Page: 175
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