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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), pp. 166-170. (doi:10.1016/j.physc.2003.11.048).

Record type: Article


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.

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Published date: 1 May 2004
Keywords: nanostructures, anti-dots, commensurability


Local EPrints ID: 57636
ISSN: 0921-4534
PURE UUID: 128ba628-cd4f-4ddc-abf6-7f9110c1ca02

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Date deposited: 13 Aug 2008
Last modified: 25 Jul 2017 16:31

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Author: A.A. Zhukov
Author: E.T. Filby
Author: P.A.J. de Groot
Author: V.V. Metlushko
Author: B. Ilic

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