Sensitivity of the MnTe Valence Band to the Orientation of Magnetic Moments: Article No. L100417

Paulo Faria Junior, Koen de Mare, Klaus Zollner, Kyo-hoon Ahn, Sigurdur Erlingsson, Mark van Schilfgaarde, Karel Vyborny

Research output: Contribution to journalArticlepeer-review

2 Scopus Citations

Abstract

An effective model of the hexagonal (NiAs-structure) manganese telluride valence band in the vicinity of the A point of the Brillouin zone is derived. It is shown that whereas for the usual antiferromagnetic order (magnetic moments on the basal plane) band splitting at A is small, their out-of-plane rotation enhances the splitting dramatically (to about 0.5 eV). We propose extensions of recent experiments [Phys. Rev. Mater. 6, 014404 (2022)] where such inversion of magnetocrystalline anisotropy has been observed in Li-doped MnTe to confirm this unusual sensitivity of a semiconductor band structure to magnetic order.
Original languageAmerican English
Number of pages5
JournalPhysical Review B
Volume107
Issue number10
DOIs
StatePublished - 2023

NREL Publication Number

  • NREL/JA-5F00-84948

Keywords

  • band splitting
  • hexagonal manganese
  • magnetocrystalline anisotropy
  • MnTe valence band
  • NiAs-structure

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