Spin Seebeck effect in a simple ferromagnet near T c: A Ginzburg-Landau approach

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Abstract

A time-dependent Ginzburg-Landau theory is used to examine the longitudinal spin Seebeck effect in a simple ferromagnet in the vicinity of the Curie temperature T c. It is shown analytically that the spin Seebeck effect is proportional to the magnetization near T c, whose result is in line with the previous numerical finding. It is argued that the present result can be tested experimentally using a simple magnetic system such as EuO/Pt or EuS/Pt.

Original languageEnglish
Article number144001
JournalJournal of Physics D: Applied Physics
Volume51
Issue number14
DOIs
Publication statusPublished - Mar 12 2018

Keywords

  • heat current
  • magnon
  • spin current
  • spin Seebeck effect

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Acoustics and Ultrasonics
  • Surfaces, Coatings and Films

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