Nature Communications (Apr 2020)

Large non-thermal contribution to picosecond strain pulse generation using the photo-induced phase transition in VO2

  • Iaroslav A. Mogunov,
  • Sergiy Lysenko,
  • Anatolii E. Fedianin,
  • Félix E. Fernández,
  • Armando Rúa,
  • Anthony J. Kent,
  • Andrey V. Akimov,
  • Alexandra M. Kalashnikova

DOI
https://doi.org/10.1038/s41467-020-15372-z
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 8

Abstract

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Ultrafast driving of vanadium dioxide can induce a large structural phase transition, which can be used to generate picosecond strain pulses. Here the authors show that the photo-induced phase transition can contribute 0.45% strain without causing undesirable heating.