Flux penetration in patterned superconducting thin films with multiply connected geometry

Using magneto-optics and numerical simulations, we study flux penetration in superconducting thin films. The samples are patterned in the shape of a square with a rectangular hole and a square with a square hole rotated by 45°. The results of the experiments are compared to numerical simulations and...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 2004-09, Vol.411 (1), p.1-10
Main Authors: Lőrincz, K.A., Welling, M.S., Rector, J.H., Wijngaarden, R.J.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Flux penetration
High-tc films
Magneto-optic
Physics
Properties of type I and type II superconductors
Superconducting films and low-dimensional structures
Superconductivity
Thin film
Type II-superconductor
Vortex lattices ,flux pinning, flux creep
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Summary:Using magneto-optics and numerical simulations, we study flux penetration in superconducting thin films. The samples are patterned in the shape of a square with a rectangular hole and a square with a square hole rotated by 45°. The results of the experiments are compared to numerical simulations and found to be in good agreement. Our results show that the flux penetration in real superconductors does not show the behavior predicted recently by Chandran [Physica C 289 (1997) 22].
ISSN:0921-4534
1873-2143
DOI:10.1016/j.physc.2004.06.012