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Proceedings Paper

BiSb and spin-related thermoelectric phenomena
Author(s): Joseph P. Heremans; Hyungyu Jin; Yuanhua Zheng; Sarah J. Watzman; Arati Prakash
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Paper Abstract

This article reviews the factors limiting the figure of merit zT of conventional thermoelectrics especially at cryogenic temperatures and then highlights modern approaches used to increase zT below 200 K. Two type of materials are discussed. The first are BiSb alloys, relatively conventional thermoelectrics in which the zT is enhanced by using resonant levels. The second is the spin- Seebeck effect (SSE), a new solid-state energy conversion technology. Classical thermoelectric and SSE physics are combined to provide new concepts, like magnon-drag, in which we hope to increase the performance of solid-state coolers by exploiting the spin degree of freedom.

Paper Details

Date Published: 17 May 2016
PDF: 18 pages
Proc. SPIE 9821, Tri-Technology Device Refrigeration (TTDR), 98210I (17 May 2016); doi: 10.1117/12.2228758
Show Author Affiliations
Joseph P. Heremans, The Ohio State Univ. (United States)
Hyungyu Jin, Stanford Univ. (United States)
Yuanhua Zheng, The Ohio State Univ. (United States)
Sarah J. Watzman, The Ohio State Univ. (United States)
Arati Prakash, The Ohio State Univ. (United States)

Published in SPIE Proceedings Vol. 9821:
Tri-Technology Device Refrigeration (TTDR)
Richard I. Epstein; Bjørn F. Andresen; Markus P. Hehlen; Ingo N. Rühlich; Mansoor Sheik-Bahae; Thomas Fraser, Editor(s)

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