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Observation of a spontaneous anomalous Hall response in the Mn.sub.5./sub.Si.sub.3./sub. d-wave altermagnet candidate
- 1.0587148 - FZÚ 2025 RIV US eng J - Článek v odborném periodiku
Reichlová, Helena - Seeger, R. L. - González-Hernández, R. - Kounta, I. - Schlitz, R. - Kriegner, Dominik - Ritzinger, Philipp - Lammel, M. - Leiviskä, M. - Birk Hellenes, A. - Olejník, Kamil - Petříček, Václav - Doležal, P. - Horák, L. - Schmoranzerová, E. - Baďura, A. - Bertaina, S. - Thomas, A. - Baltz, V. - Michez, L. - Sinova, J. - Goennenwein, S.T.B. - Jungwirth, Tomáš - Šmejkal, Libor
Observation of a spontaneous anomalous Hall response in the Mn5Si3 d-wave altermagnet candidate.
Nature Communications. Roč. 15, č. 1 (2024), č. článku 4961. E-ISSN 2041-1723
Grant CEP: GA ČR(CZ) GF22-17899K; GA MŠMT(CZ) LV23025; GA ČR(CZ) GA18-10504S; GA ČR(CZ) GC21-28876J; GA MŠMT(CZ) EH22_008/0004594; GA MŠMT LM2023051; GA ČR(CZ) GX19-28375X; GA MŠMT LM2023065
GRANT EU: European Commission(XE) 101095925 - ALTERMAG; European Commission(XE) 766566 - ASPIN
Grant ostatní: AV ČR(CZ) LQ100102201
Program: Prémie Lumina quaeruntur
Institucionální podpora: RVO:68378271
Klíčová slova: spin splitting * spontaneous Hall effect * antiferromagnets
Obor OECD: Condensed matter physics (including formerly solid state physics, supercond.)
Impakt faktor: 16.6, rok: 2022
Způsob publikování: Open access
n this work, we experimentally observe the anomalous Hall effect, a prominent representative of the T -symmetry breaking responses, in the absence of an external magnetic eld in epitaxial thin-film Mn5Si3 with a vanishingly small net magnetic moment. By symmetry analysis and rst-principles calculations we demonstrate that the unconventional d-wave altermagnetic phase is consistent with the experimental structural and magnetic characterization of the Mn5Si3 epilayers, and that the theoretical anomalous Hall conductivity generated by the phase is sizable, in agreement with experiment.
Trvalý link: https://hdl.handle.net/11104/0354425
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