Journal Article

PUBDB-2021-01005

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Néel Vector Induced Manipulation of Valence States in the Collinear Antiferromagnet Mn$_2$ Au

Elmers, H.-J. (Corresponding author)Extern* ; Chernov, S. V. ; D’Souza, S. W. ; Bommanaboyena, S. P.Extern* ; Bodnar, S. Y. ; Medjanik, K. ; Babenkov, S.Extern* ; Fedchenko, O.Extern* ; Vasilyev, D.Extern* ; Agustsson, S. Y.Extern* ; Schlueter, C.DESY* ; Gloskovskii, A.DESY* ; Matveyev, Y.Extern*DESY* ; Strocov, V. N.Extern* ; Skourski, Y. ; Šmejkal, L. ; Sinova, J. ; Minár, J.Extern* ; Kläui, M.Extern* ; Schönhense, G.Extern* ; Jourdan, M.Extern*

2020
Soc. Washington, DC

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Please use a persistent id in citations: doi:10.1021/acsnano.0c08215  doi:10.3204/PUBDB-2021-01005

Abstract: The coupling of real and momentum space is utilized to tailor electronic properties of the collinear metallic antiferromagnet Mn2Au by aligning the real space Néel vector indicating the direction of the staggered magnetization. Pulsed magnetic fields of 60 T were used to orient the sublattice magnetizations of capped epitaxial Mn$_2$Au(001) thin films perpendicular to the applied field direction by a spin-flop transition. The electronic structure and its corresponding changes were investigated by angular-resolved photoemission spectroscopy with photon energies in the vacuum-ultraviolet, soft, and hard X-ray range. The results reveal an energetic rearrangement of conduction electrons propagating perpendicular to the Néel vector. They confirm previous predictions on the origin of the Néel spin–orbit torque and anisotropic magnetoresistance in Mn$_2$Au and reflect the combined antiferromagnetic and spin–orbit interaction in this compound leading to inversion symmetry breaking.

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Contributing Institute(s):

1. DOOR-User (DOOR ; HAS-User)
2. Experimentebetreuung PETRA III (FS-PET-S)

Research Program(s):

1. 6212 - Quantum Condensed Matter: Magnetism, Superconductivity (POF3-621) (POF3-621)
2. 6G3 - PETRA III (POF3-622) (POF3-622)
3. FS-Proposal: I-20190579 (I-20190579) (I-20190579)

Experiment(s):

1. PETRA Beamline P22 (PETRA III)

Appears in the scientific report 2020

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Database coverage:
; ; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; Essential Science Indicators ; IF >= 10 ; JCR ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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