Proximity Effect and Spontaneous Vortex Phase in Planar SF-Structures

Details Proximity Effect and Spontaneous Vortex Phase in Planar SF-Structures Proximity Effect and Spontaneous Vortex Phase in Planar SF-Structures

2003-02-03

arxiv.org/abs/cond-mat/0302028v1

JETP Letters Vol. 77, No. 1, 2003, pp. 39-43

Physics

Condensed Matter

Superconductivity

9 pages, 5 figures, published in JETP Lett

Scientific paper

10.1134/1.1561979

The proximity effect in SF structures was examined. It is shown that, due to the oscillations of the induced superconducting order parameter in a ferromagnet, the critical temperature of an SF-bilayer becomes minimal when the thickness of the ferromagnetic layer is close to a quarter of the period of spatial oscillations. It is found that the spontaneous vortex state arisen in the superconductor due to the proximity of the magnetic domain structure of a ferromagnet brings about noticeable magnetoresistive effects.

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