Thermoelectric effects in magnetic nanostructures


Hatami, Moosa and Bauer, Gerrit E.W. and Zhang, Qinfang and Kelly, Paul J. (2009) Thermoelectric effects in magnetic nanostructures. Physical Review B: Condensed matter and materials physics, 79 (17). p. 174426. ISSN 1098-0121

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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.
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Copyright:© 2009 American Physical Society
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Metis ID: 257416