Geometrical surface pinning of vortices in superconducting films

AI Kosse; YE Kuzovlev; GG Levchenko; YV Medvedev; AY Prokhorov; VA Khokhlov; Pavlo Mikheenko

doi:10.1134/1.1630131

Geometrical surface pinning of vortices in superconducting films

AI Kosse, YE Kuzovlev, GG Levchenko, YV Medvedev, AY Prokhorov, VA Khokhlov, Pavlo Mikheenko

Metallurgy and Materials

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10 Citations (Scopus)

Abstract

A model is proposed for vortex pinning in a superconducting film with a rough surface. The model relates the critical current to the steepness of the surface relief and, at a high vortex concentration, to the distance between neighboring steepness maxima on the paths of vortex motion. The dependence of the critical current density on the thickness of a high-T-c superconducting film is measured in a weak magnetic field. Its behavior can be explained by the pinning at the stepped surface relief. (C) 2003 MAIK "Nauka/Interperiodica".

Original language	English
Pages (from-to)	379-383
Number of pages	5
Journal	Journal of Experimental and Theoretical Physics Letters
Volume	78
DOIs	https://doi.org/10.1134/1.1630131
Publication status	Published - 1 Sept 2003

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AU - Kuzovlev, YE

AU - Levchenko, GG

AU - Medvedev, YV

AU - Prokhorov, AY

AU - Khokhlov, VA

AU - Mikheenko, Pavlo

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Geometrical surface pinning of vortices in superconducting films

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