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

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,Mn)As films. The use of the proximity effect might pave the way for practical implementation of spintronic devices
5689-5696
Song, C.
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Sperl, M.
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Utz, M.
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Ciorga, M.
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Woltersdorf, G.
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Schuh, D.
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Bougeard, D.
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Back, C.
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Weiss, D.
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Song, C.
c58281fa-a9fb-48b3-9ada-3616fe1ed5b6
Sperl, M.
2d9f9c73-eb01-4be8-a5f5-78f32c42d2b9
Utz, M.
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Ciorga, M.
a68655f3-73e2-4af4-9397-803e82e847b9
Woltersdorf, G.
507478e6-f3ba-48b0-989a-c838bf236cf0
Schuh, D.
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Bougeard, D.
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Back, C.
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Weiss, D.
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Song, C., Sperl, M., Utz, M., Ciorga, M., Woltersdorf, G., Schuh, D., Bougeard, D., Back, C. and Weiss, D. (2011) Proximity induced enhancement of the Curie temperature in hybrid spin injection devices. Physical Review Letters, 107 (5), 5689-5696. (doi:10.1103/PhysRevLett.107.056601).

Record type: Article

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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e-pub ahead of print date: 16 March 2011
Published date: 26 July 2011
Organisations: Chemistry

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Local EPrints ID: 340205
URI: http://eprints.soton.ac.uk/id/eprint/340205
PURE UUID: 82637920-df9d-483f-af11-c9324cb5e837

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Date deposited: 15 Jun 2012 08:24
Last modified: 28 Oct 2019 21:15

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Contributors

Author: C. Song
Author: M. Sperl
Author: M. Utz
Author: M. Ciorga
Author: G. Woltersdorf
Author: D. Schuh
Author: D. Bougeard
Author: C. Back
Author: D. Weiss

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