Nature Communications (Dec 2020)

Long-distance spin-transport across the Morin phase transition up to room temperature in ultra-low damping single crystals of the antiferromagnet α-Fe2O3

  • R. Lebrun,
  • A. Ross,
  • O. Gomonay,
  • V. Baltz,
  • U. Ebels,
  • A.-L. Barra,
  • A. Qaiumzadeh,
  • A. Brataas,
  • J. Sinova,
  • M. Kläui

DOI
https://doi.org/10.1038/s41467-020-20155-7
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 7

Abstract

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Hitherto, only circularly polarized antiferromagnetic (AFM) spin-waves (SWs) were expected to convey spin-information. Here, the authors present persistent spin-transport over long distances in the easy-plane AFM phase of hematite, α-Fe2O3, via linearly polarized SW pairs with ultra-low damping.