SKM 2023 – wissenschaftliches Programm

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MA: Fachverband Magnetismus

MA 17: Thin Films: Magnetic Anisotropy

MA 17.3: Vortrag

Dienstag, 28. März 2023, 10:00–10:15, POT 6

Simulating the magnetic structures in twisted double bilayer CrI₃ — •Junichi Okamoto¹, Bowen Yang², Tarun Patel², and Adam Tsen² — ¹University of Freiburg, Freiburg, Germany — ²University of Waterloo, Waterloo, Canada

After the discovery of superconductivity in twisted bilayer graphene at magic angles, control of material properties by twisting two-dimensional materials has emerged as “twistronics". In this talk, we will discuss the magnetic structures appearing in the Moiré superlattices of twisted double bilayer CrI₃. By using classical spin simulations, we will demonstrate that the subtle competition between the exchange anisotropy and the spatially modulated interlayer coupling is the key to understanding the experimentally observed magnetic transitions. We will further explain how the interlayer charge transport depends on the magnetic structures. The effect of various domain walls and skyrmions will also be scrutinized.