Commensurability effects induced by a periodic array of nanoscale anti-dots in Nb superconductor


Zhukov, A.A., Filby, E.T., De Groot,, P.A.J., Metlushko, V.V. and Ilic, B. (2004) Commensurability effects induced by a periodic array of nanoscale anti-dots in Nb superconductor. Physica C: Superconductivity and its Applications, 404, (1-4), 166-170. (doi:10.1016/j.physc.2003.11.048).

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Description/Abstract

We study the interactions of the vortex lattice with a periodic square array of holes in a superconducting Nb film using magnetic and resistive measurements. Three different temperature regions have been observed. They are governed by interplay between vortex–vortex interactions and pinning by holes. At low temperatures flux jumps suppress the commensurability anomalies. In all measurements a peak has been observed close to commensurate states 5–7. The Cole–Cole plot reveals significant changes in the flux penetration mechanism at this point.

Item Type: Article
ISSNs: 0921-4534 (print)
Related URLs:
Keywords: nanostructures, anti-dots, commensurability
Subjects: Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > School of Physics and Astronomy
ePrint ID: 57636
Date Deposited: 13 Aug 2008
Last Modified: 27 Mar 2014 18:40
URI: http://eprints.soton.ac.uk/id/eprint/57636

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