Regensburg 2022 – wissenschaftliches Programm
Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe
MA: Fachverband Magnetismus
MA 3: Spin-Dependent Phenomena in 2D
MA 3.1: Vortrag
Montag, 5. September 2022, 09:30–09:45, H43
Noncollinear magnetism in a monolayer of two-dimensional CrTe2 — •Nihad AbuAwwad1,2, Manuel dos Santos Dias2,1, Hazem AbuSara3, and Samir Lounis1,2 — 1Peter Grünberg Institut and Institute for Advanced Simulation, Forschungszentrum Jülich & JARA, 52425 Jülich, Germany — 2Faculty of Physics, University of Duisburg-Essen, 47053 Duisburg, Germany — 3Department of Physics, Birzeit University, PO Box 14, Birzeit, Palestine
The discovery of two-dimensional (2D) van der Waals magnets opened unprecedented opportunities for the fundamental exploration of magnetism in quantum materials. Recently, thin CrTe2 films were demonstrated to be ferromagnetic up to room temperature, with an intriguing dependence of the easy axis on the thickness of the material [1,2]. Using first principles, we show that the charge-density waves characterizing a single CrTe2 give rise to spiral magnetism through the emergence of the Dzyaloshinskii-Moriya interaction (DMI). Utilizing atomistic spin dynamics, we perform a detailed investigation of the complex magnetic properties pertaining to this 2D material impacted by the presence of various types of charge density waves. Also, we study the electronic and magnetic properties of heterostructures consisting of a single CrTe2 monolayer interfaced with either Graphene or hBN.
–Work funded by the Palestinian-German Science Bridge (BMBF–01DH16027) and SPP 2244 (project LO 1659/7-1).
[1] Zhang et al., Nat. Commun. 12, 2492 (2021); [2] Meng et al., Nat. Commun. 12, 809 (2021).