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

C. Song; M. Sperl; M. Utz; M. Ciorga; G. Woltersdorf; D. Schuh; D. Bougeard; C. H. Back; D. Weiss

doi:10.1103/PhysRevLett.107.056601

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

C. Song, M. Sperl, M. Utz, M. Ciorga, G. Woltersdorf, D. Schuh, D. Bougeard, C. H. Back, D. Weiss

University of Regensburg

Publikation: Beitrag in Fachzeitschrift › Artikel › Begutachtung

51 Zitate (Scopus)

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.

Originalsprache	Englisch
Aufsatznummer	056601
Fachzeitschrift	Physical Review Letters
Jahrgang	107
Ausgabenummer	5
DOIs	https://doi.org/10.1103/PhysRevLett.107.056601
Publikationsstatus	Veröffentlicht - 26 Juli 2011
Extern publiziert	Ja

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abstract = "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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AU - Bougeard, D.

AU - Back, C. H.

AU - Weiss, D.

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AB - 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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Proximity induced enhancement of the curie temperature in hybrid spin injection devices

Abstract

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