Spin seebeck power conversion

Adam B. Cahaya, Oleg A. Tretiakov, G. E.W. Bauer

Research output: Contribution to journalArticlepeer-review

43 Citations (Scopus)

Abstract

Spin caloritronics is the science and technology to control spin, charge, and heat currents in magnetic nanostructures. The spin degree of freedom provides new strategies for thermoelectric power generation that have not yet been fully explored. After an elementary introduction into conventional thermoelectrics and spintronics, we give a brief review of the physics of spin caloritronics. We discuss spin-dependent thermoelectrics based on the two-current model in metallic magnets as well as the spin Seebeck and Peltier effects that are based on spin wave excitations in ferromagnets. We derive expressions for the efficiency and figure of merit ZT of several spin caloritronic devices.

Original languageEnglish
Article number7111309
JournalIEEE Transactions on Magnetics
Volume51
Issue number9
DOIs
Publication statusPublished - 1 Sept 2015

Keywords

  • spin caloritronics
  • spin Seebeck
  • thermoelectricity

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