Sensitivity of the MnTe valence band to the orientation of magnetic moments

Junior, Paulo E. Faria and de Mare, Koen A. and Zollner, Klaus and Ahn, Kyo-hoon and Erlingsson, Sigurdur I. and van Schilfgaarde, Mark and Vyborny, Karel (2023) Sensitivity of the MnTe valence band to the orientation of magnetic moments. PHYSICAL REVIEW B, 107 (10): L100417. ISSN 2469-9950, 2469-9969

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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.

Item Type: Article
Uncontrolled Keywords: ELECTRONIC-STRUCTURE; ENERGY;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Jaroslav Fabian
Depositing User: Dr. Gernot Deinzer
Date Deposited: 13 Mar 2024 09:39
Last Modified: 13 Mar 2024 09:39
URI: https://pred.uni-regensburg.de/id/eprint/59866

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