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FM: Fachverband Funktionsmaterialien
FM 8: Multiferroics and Magnetoelectric Coupling (joint session MA/FM)
FM 8.5: Vortrag
Dienstag, 10. März 2026, 10:30–10:45, POT/0112
Multiferroic altermagnetism and magneto-orbital excitations in monolayer VCl3 — •Luigi Camerano1,2, Adolfo Otero Fumega3, Alessandro Stroppa2, Jose Lado3, and Gianni Profeta1,2 — 1University of L'aquila, 67100 L'Aquila, Italy — 2CNR-SPIN L'Aquila, 67100 L'Aquila, Italy — 3Aalto University, 02150 Espoo, Finland
Van der Waals monolayers featuring magnetic states provide fundamental building blocks for artificial quantum matter. In this contribution I will present the emergence of a symmetry broken multiferroic ground state featuring magneto-orbital excitations and nematic d-wave altermagnetism in monolayer VCl3 [1-4]. All these physics arises from a pure electronic symmetry breaking ultimately stabilizing an antiferro-orbital order ground state showing the emergence of an electronic polarization. Recent experimental evidence report signatures of symmetry breakings and ferroelectricity combined with 2D magnetism, establishing monolayer VCl3 as a novel 2D multiferroic driven by orbital ordering.
References
1. Mastrippolito D., Camerano L. et al. Phys. Rev. B 108,045126 (2023)
2. Camerano, L. et al. 2D Mater. 11, 025027 (2024)
3. Camerano, L. et al. Nano Lett. 25, 4825,4831 (2025)
4. Camerano, L. et al. npj 2D Mater Appl 9, 75 (2025)
Keywords: Multiferroicity; Altermagnetism; Orbital ordering; Nematicity; vdW monolayers