SKM 2023 – wissenschaftliches Programm
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MA: Fachverband Magnetismus
MA 16: Magnonics
MA 16.8: Vortrag
Dienstag, 28. März 2023, 11:30–11:45, HSZ 403
Magnetic excitations in the conductive altermagnet RuO2: ab initio calculations — •Alberto Marmodoro1, Sergiy Mankovsky2, Hubert Ebert2, Ilja Turek3, Tomas Jungwirth1, and Ondřej Šipr1,4 — 1Institute of Physics (FZU) of the Czech Academy of Sciences, Prague, Czech Republic — 2Department of Chemistry, Ludwig-Maximilians- University (LMU), Munich, Germany — 3Institute of Physics of Materials (IPM) of the Czech Academy of Sciences, Brno, Czech Republic — 4New Technologies Research Centre, University of West Bohemia, Pilsen, Czech Republic
Altermagnets are materials with zero net magnetization, alike traditional antiferromagnets, as well as a characteristic alternation of spin polarization for the electronic structure in reciprocal space, due to the relative orientation for anisotropic crystal field effects on different magnetic sublattices in direct space. This may have significant implications for possible spintronics and nano-electronics applications [1]. We report about the ab initio study of magnetic excitations in the case of the conducting, colinear antiferromagnetic altermagnet material RuO2 [2].
[1] http://doi.org/10.1103/PhysRevX.12.031042
[2] http://doi.org/10.48550/arXiv.2211.13806