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Magnetic anisotropy in antiferromagnetic hexagonal MnTe

Kriegner, D.; Reichlova, H.; Grenzer, J.; Schmidt, W.; Ressouche, E.; Godinho, J.; Wagner, T.; Martin, S.Y.; Shick, A.B.; Volobuev, V.V.; Springholz, G.; Hol�, V.; Wunderlich, J.; Jungwirth, T.; V�born�, K.

Magnetic anisotropy in antiferromagnetic hexagonal MnTe Thumbnail


Authors

D. Kriegner

H. Reichlova

J. Grenzer

W. Schmidt

E. Ressouche

J. Godinho

T. Wagner

S.Y. Martin

A.B. Shick

V.V. Volobuev

G. Springholz

V. Hol�

J. Wunderlich

TOMAS JUNGWIRTH tomas.jungwirth@nottingham.ac.uk
Research Professor of Ferromagnetic Semiconductors

K. V�born�



Abstract

Antiferromagnetic hexagonal MnTe is a promising material for spintronic devices relying on the control of antiferromagnetic domain orientations. Here we report on neutron diffraction, magnetotransport, and magnetometry experiments on semiconducting epitaxial MnTe thin films together with density functional theory (DFT) calculations of the magnetic anisotropies. The easy axes of the magnetic moments within the hexagonal basal plane are determined to be along ⟨1¯100⟩ directions. The spin-flop transition and concomitant repopulation of domains in strong magnetic fields is observed. Using epitaxially induced strain the onset of the spin-flop transition changes from ∼2 to ∼0.5 T for films grown on InP and SrF2 substrates, respectively.

Citation

Kriegner, D., Reichlova, H., Grenzer, J., Schmidt, W., Ressouche, E., Godinho, J., …Výborný, K. (2017). Magnetic anisotropy in antiferromagnetic hexagonal MnTe. Physical Review B, 96(21), https://doi.org/10.1103/PhysRevB.96.214418

Journal Article Type Article
Acceptance Date Dec 1, 2017
Publication Date Dec 13, 2017
Deposit Date Feb 28, 2018
Publicly Available Date Mar 29, 2024
Journal Physical Review B
Print ISSN 2469-9950
Electronic ISSN 2469-9969
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 96
Issue 21
DOI https://doi.org/10.1103/PhysRevB.96.214418
Public URL https://nottingham-repository.worktribe.com/output/900003
Publisher URL https://doi.org/10.1103/PhysRevB.96.214418

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