Thermoelectric effects in magnetic nanostructures

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 20 May 2009Embargo end date: 01 Jan 2009 Netherlands English Publisher:American Physical Society (APS)Journal:Physical Review B, volume 79 (issn: 1098-0121, eissn: 1550-235X,

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Authors: Hatami, M. (author); Bauer, G.E.W. (author); Zhang, Q. (author); Kelly, P.J. (author);

doi: 10.1103/physrevb.79.174426 , 10.48550/arxiv.0901.2126

arXiv: 0901.2126

Thermoelectric effects in magnetic nanostructures

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Abstract

We model and evaluate the Peltier and Seebeck effects in magnetic multilayer nanostructures by a finite-element theory of thermoelectric properties. We present analytical expressions for the thermopower and the current-induced temperature changes due to Peltier cooling/heating. The thermopower of a magnetic element is in general spin-polarized, leading to spin-heat coupling effects. Thermoelectric effects in spin valves depend on the relative alignment of the magnetization directions and are sensitive to spin-flip scattering as well as inelastic collisions in the normal metal spacer.

14 pages, 7 figures, 1 table. Published

Country

Netherlands

Related Organizations

University of Twente
Netherlands
TECHNISCHE UNIVERSITEIT DELFT
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MESA+ Institute for Nanotechnology
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Delft University of Technology
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Keywords

Condensed Matter - Materials Science, Condensed Matter - Mesoscale and Nanoscale Physics, Mesoscale and Nanoscale Physics (cond-mat.mes-hall), Materials Science (cond-mat.mtrl-sci), FOS: Physical sciences

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