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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Šmejkal, Libor
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Topics
Publications (10/10 displayed)
- 2024Anisotropy of the anomalous Hall effect in the altermagnet candidate Mn5Si3 filmscitations
- 2024Anisotropy of the anomalous Hall effect in the altermagnet candidate Mn5Si3 filmscitations
- 2024Anisotropy of the anomalous Hall effect in thin films of the altermagnet candidate Mn5Si3citations
- 2024Direct observation of altermagnetic band splitting in CrSb thin filmscitations
- 2024Observation of the anomalous Nernst effect in altermagnetic candidate Mn5Si3citations
- 2024Observation of the anomalous Nernst effect in altermagnetic candidate Mn5Si3
- 2023Experimental electronic structure of the electrically switchable antiferromagnet CuMnAscitations
- 2023Experimental electronic structure of the electrically switchable antiferromagnet CuMnAscitations
- 2022Beyond Conventional Ferromagnetism and Antiferromagnetism: A Phase with Nonrelativistic Spin and Crystal Rotation Symmetrycitations
- 2020Néel vector induced manipulation of valence states in the collinear antiferromagnet Mn2Au
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document
Anisotropy of the anomalous Hall effect in the altermagnet candidate Mn5Si3 films
Abstract
Altermagnets are compensated magnets belonging to spin symmetry groups that allow alternating spin polarizations both in the coordinate space of the crystal and in the momentum space of the electronic structure. In these materials the anisotropic local crystal environment of the different sublattices lowers the symmetry of the system so that the opposite-spin sublattices are connected only by rotations, which results in an unconventional spin-polarized band structure in the momentum space. This low symmetry of the crystal structure is expected to be reflected in the anisotropy of the anomalous Hall effect. In this work, we study the anisotropy of the anomalous Hall effect in epitaxial thin films of Mn5Si3 , an altermagnetic candidate material. We first demonstrate a change in the relative Néel vector orientation when rotating the external field orientation through systematic changes in both the anomalous Hall effect and the anisotropic longitudinal magnetoresistance. We then show that the anomalous Hall effect in this material is anisotropic with the Néel vector orientation relative to the crystal structure and that this anisotropy requires high crystal quality and unlikely correlates with the magnetocrystalline anisotropy. Our results provide further systematic support to the case for considering epitaxial thin films of Mn 5 Si 3 as an altermagnetic candidate material.