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

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

We investigate the increase of the Curie temperature TC 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 TC gets enhanced by nearly 100% for the thinnest (Ga,M...

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Main Authors: Song, C. (Author), Sperl, M. (Author), Utz, M. (Author), Ciorga, M. (Author), Woltersdorf, G. (Author), Schuh, D. (Author), Bougeard, D. (Author), Back, C. (Author), Weiss, D. (Author)
Format: Article
Language:English
Published: 2011-07-26.
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Summary:We investigate the increase of the Curie temperature TC 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 TC 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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