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Proceedings Paper

Co2MnSi:Pt multilayers for giant spin Seebeck devices
Author(s): Christopher Cox; Andrew J. Caruana; Michael D. Cropper; David M. Tatnell; Christy J. Kinane; Timothy R. Charlton; Kelly Morrison
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Paper Abstract

The spin Seebeck effect (SSE) has been widely studied as a potential mechanism for energy harvesting. However, the efficiency of such devices, utilizing the spin thermoelectric effect in thin film form, has not yet reached a sufficient value to make them economically viable. It is therefore imperative that advances are made to investigate means by which the thermoelectric signal can be enhanced. Multilayers of Co2MnSi and Pt are fabricated and characterized in an attempt to observe enhanced voltages. We report that bilayers of ferromagnetic conductor/normal metal (FM/NM) exhibit a Longitudinal SSE response and that repetitive stacking of such bilayers results in an increased thermoelectric voltage that is highly dependent upon the quality of CMS/Pt and Pt/CMS interfaces.

Paper Details

Date Published: 8 September 2017
PDF: 9 pages
Proc. SPIE 10357, Spintronics X, 1035731 (8 September 2017); doi: 10.1117/12.2271303
Show Author Affiliations
Christopher Cox, Loughborough Univ. (United Kingdom)
Andrew J. Caruana, Loughborough Univ. (United Kingdom)
STFC Rutherford Appleton Lab. (United Kingdom)
Michael D. Cropper, Loughborough Univ. (United Kingdom)
David M. Tatnell, Loughborough Univ. (United Kingdom)
Christy J. Kinane, STFC Rutherford Appleton Lab. (United Kingdom)
Timothy R. Charlton, STFC Rutherford Appleton Lab. (United Kingdom)
Oak Ridge National Lab. (United States)
Kelly Morrison, Loughborough Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 10357:
Spintronics X
Henri-Jean Drouhin; Jean-Eric Wegrowe; Manijeh Razeghi; Henri Jaffrès, Editor(s)

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