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. 2011 Jul 29;107(5):056601.
doi: 10.1103/PhysRevLett.107.056601. Epub 2011 Jul 26.

Proximity induced enhancement of the Curie temperature in hybrid spin injection devices

C Song  1 , M Sperl, M Utz, M Ciorga, G Woltersdorf, D Schuh, D Bougeard, C H Back, D Weiss
Affiliations
Free article

Proximity induced enhancement of the Curie temperature in hybrid spin injection devices

C Song et al. Phys Rev Lett. .
Free article

Abstract

We investigate the increase of the Curie temperature T(C) in a lateral spin injection geometry where the ferromagnetic (Ga,Mn)As injector and detector contacts are capped by a thin iron film. Because of interlayer coupling between Fe and (Ga,Mn)As T(C) gets enhanced by nearly 100% for the thinnest (Ga,Mn)As films. The use of the proximity effect might pave the way for practical implementation of spintronic devices.

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