Nature Communications (Feb 2016)

Origin of the spin Seebeck effect in compensated ferrimagnets

  • Stephan Geprägs,
  • Andreas Kehlberger,
  • Francesco Della Coletta,
  • Zhiyong Qiu,
  • Er-Jia Guo,
  • Tomek Schulz,
  • Christian Mix,
  • Sibylle Meyer,
  • Akashdeep Kamra,
  • Matthias Althammer,
  • Hans Huebl,
  • Gerhard Jakob,
  • Yuichi Ohnuma,
  • Hiroto Adachi,
  • Joseph Barker,
  • Sadamichi Maekawa,
  • Gerrit E. W. Bauer,
  • Eiji Saitoh,
  • Rudolf Gross,
  • Sebastian T. B. Goennenwein,
  • Mathias Kläui

DOI
https://doi.org/10.1038/ncomms10452
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 6

Abstract

Read online

Ferrimagnets possess multiple spin sub-lattices resulting in a complex magnon band structure and subtle spin transport across interfaces. Here, the authors show how the spin Seebeck effect, the thermal generation of pure spin current, may be an effective tool to study these magnetic excitations.