8 September 2017 Co2MnSi:Pt multilayers for giant spin Seebeck devices
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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.
Conference Presentation
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Christopher Cox, Christopher Cox, Andrew J. Caruana, Andrew J. Caruana, Michael D. Cropper, Michael D. Cropper, David M. Tatnell, David M. Tatnell, Christy J. Kinane, Christy J. Kinane, Timothy R. Charlton, Timothy R. Charlton, Kelly Morrison, Kelly Morrison, } "Co2MnSi:Pt multilayers for giant spin Seebeck devices", Proc. SPIE 10357, Spintronics X, 1035731 (8 September 2017); doi: 10.1117/12.2271303; https://doi.org/10.1117/12.2271303
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