Theory of the magnon-mediated tunnel magneto-Seebeck effect

Benedetta Flebus, Gerrit E.W. Bauer, Rembert A. Duine, Yaroslav Tserkovnyak

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

The tunnel magneto-Seebeck effect is the dependence of the thermopower of magnetic tunnel junctions on the magnetic configuration. It is conventionally interpreted in terms of a thermoelectric generalization of the tunnel magnetoresistance. Here, we investigate the heat-driven electron transport in these junctions associated with electron-magnon scattering, using stochastic Landau-Lifshitz phenomenology and quantum kinetic theory. Our findings challenge the widely accepted single-electron picture of the tunneling thermopower in magnetic junctions.

Original languageEnglish
Article number094429
JournalPhysical Review B
Volume96
Issue number9
DOIs
Publication statusPublished - 2017 Sep 25

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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