Nature Communications (Nov 2022)

Giant stress response of terahertz magnons in a spin-orbit Mott insulator

  • Hun-Ho Kim,
  • Kentaro Ueda,
  • Suguru Nakata,
  • Peter Wochner,
  • Andrew Mackenzie,
  • Clifford Hicks,
  • Giniyat Khaliullin,
  • Huimei Liu,
  • Bernhard Keimer,
  • Matteo Minola

DOI
https://doi.org/10.1038/s41467-022-34375-6
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 6

Abstract

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There has been significant interest in using spin-waves or magnons for information processing, due to their low energy dissipation and short wavelength at terahertz frequencies, however, manipulating magnons can be challenging. Here, Kim et al show that magnons in Sr2IrO4 are extremely strain sensitive, with small applied strains leading to large variation in the magnon energy.