Theory of the spin Seebeck effect

Hiroto Adachi, Ken Ichi Uchida, Eiji Saitoh, Sadamichi Maekawa

Research output: Contribution to journalArticle

227 Citations (Scopus)

Abstract

The spin Seebeck effect refers to the generation of a spin voltage caused by a temperature gradient in a ferromagnet, which enables the thermal injection of spin currents from the ferromagnet into an attached nonmagnetic metal over a macroscopic scale of several millimeters. The inverse spin Hall effect converts the injected spin current into a transverse charge voltage, thereby producing electromotive force as in the conventional charge Seebeck device. Recent theoretical and experimental efforts have shown that the magnon and phonon degrees of freedom play crucial roles in the spin Seebeck effect. In this paper, we present the theoretical basis for understanding the spin Seebeck effect and briefly discuss other thermal spin effects.

Original languageEnglish
Article number036501
JournalReports on Progress in Physics
Volume76
Issue number3
DOIs
Publication statusPublished - Mar 2013

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Magnets
Seebeck effect
Hot Temperature
Phonons
Metals
Equipment and Supplies
Injections
Temperature
electromotive forces
electric potential
Hall effect
temperature gradients
degrees of freedom
injection
metals

ASJC Scopus subject areas

  • Medicine(all)
  • Physics and Astronomy(all)

Cite this

Theory of the spin Seebeck effect. / Adachi, Hiroto; Uchida, Ken Ichi; Saitoh, Eiji; Maekawa, Sadamichi.

In: Reports on Progress in Physics, Vol. 76, No. 3, 036501, 03.2013.

Research output: Contribution to journalArticle

Adachi, Hiroto ; Uchida, Ken Ichi ; Saitoh, Eiji ; Maekawa, Sadamichi. / Theory of the spin Seebeck effect. In: Reports on Progress in Physics. 2013 ; Vol. 76, No. 3.
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