Seebeck coefficients of half-metallic ferromagnets

Balke, Benjamin; Ouardi, Siham; Graf, Tanja; Barth, Joachim; Blum, Christian G. F.; Fecher, Gerhard H.; Shkabko, Andrey; Weidenkaff, Anke; Felser, Claudia

doi:10.1016/j.ssc.2009.10.044

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Seebeck coefficients of half-metallic ferromagnets

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Balke, B., Ouardi, S., Graf, T., Barth, J., Blum, C. G. F., Fecher, G. H., et al. (2010). Seebeck coefficients of half-metallic ferromagnets. Solid State Communications, 150(11-12), 529-532. doi:10.1016/j.ssc.2009.10.044.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0018-A461-3

Abstract

In this article the Co-2 based Heusler compounds are discussed as potential materials for spin voltage generation. The compounds were synthesized by arc melting and consequent annealing. Band structure calculations were performed which revealed the compounds to be half-metallic ferromagnets. Magnetometry was performed on the samples and the Curie temperatures and the magnetic moments were determined. The Seebeck coefficients were measured from low to ambient temperatures for all compounds. For selected compounds high temperature measurements up to 900 K were performed. (C) 2009 Elsevier Ltd. All rights reserved.