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Electron quantum interference in epitaxial antiferromagnetic NiO thin films

  • Author(s): Xu, J
  • Lou, F
  • Jia, M
  • Chen, G
  • Zhou, C
  • Li, Q
  • Liu, K
  • Schmid, AK
  • Xiang, H
  • Wu, Y
  • et al.

Published Web Location

https://doi.org/10.1063/1.5129772
Abstract

© 2020 Author(s). The electron reflectivity from NiO thin films grown on Ag(001) has been systematically studied as a function of film thickness and electron energy. A strong electron quantum interference effect was observed from the NiO film, which is used to derive the unoccupied band dispersion above the Fermi surface along the Γ-X direction using the phase accumulation model. The experimental bands agree well with first-principles calculations. A weaker electron quantum interference effect was also observed from the CoO film.

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