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Proceedings Paper

Thermoelectric and spin-caloritronic coolers: from basics to recent developments
Author(s): Joseph P. Heremans; Hyungyu Jin
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Paper Abstract

Solid-state coolers have no moving parts, and are therefore compact, vibration-free, inherently durable, and scalable to low power levels. Unfortunately, they have a low coefficient of performance. The materials characteristic that sets this efficiency in solid-state coolers is the thermoelectric figure of merit, zT. This article reviews the factors limiting zT in conventional thermoelectric devices, then outlines modern approaches to increasing zT. It describes a new solid-state energy conversion technology, the spin-Seebeck effect (SSE). New concepts are outlined that combine classical thermoelectric and SSE physics. By exploiting the spin degree of freedom, we hope to increase the performance of solid-state coolers.

Paper Details

Date Published: 7 March 2016
PDF: 17 pages
Proc. SPIE 9765, Optical and Electronic Cooling of Solids, 976507 (7 March 2016); doi: 10.1117/12.2208541
Show Author Affiliations
Joseph P. Heremans, The Ohio State Univ. (United States)
Hyungyu Jin, Stanford Univ. (United States)

Published in SPIE Proceedings Vol. 9765:
Optical and Electronic Cooling of Solids
Richard I. Epstein; Denis V. Seletskiy; Mansoor Sheik-Bahae, Editor(s)

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