Regensburg 2025 – scientific programme

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MA: Fachverband Magnetismus

MA 13: Altermagnets II

MA 13.6: Talk

Tuesday, March 18, 2025, 10:45–11:00, H20

Interplay of composition and magnetic properties in VxNbS2: An Altermagnetic candidate — •Sunil Wilfred Dsouza and Jan Minár — New Technologies Research Centre, University of West Bohemia, Univerzitní 8, CZ-306 14 Pilsen, Czech Republic

We investigate the interplay of chemical composition and electronic structure with respect to V atoms in an altermagnetic candidate VxNbS2 in the magnetically ordered state. The results from the first-principles calculations employing coherent potential approximation demonstrate that the electronic band structure exhibits valley-spin splitting induced by bulk magnetic order, which is only slightly affected by disorder and deficiency of V atoms, but an impact on the magnetic exchange coupling can be inferred. The results are interesting for the research on 3d-metal inserted transition-metal dichalcogenides and in a broader context for the understanding and design of Altermagnet- based spintronic materials.

Keywords: spintronics; Altermagnets; TMDC; SPRKKR