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MA: Fachverband Magnetismus

MA 7: INNOMAG e.V. Prizes 2025 (Diplom-/Master and Ph.D. Thesis)

MA 7.4: Hauptvortrag

Montag, 17. März 2025, 16:15–16:40, H18

Tuning the properties of two-dimensional magnetic heterostructures via interface engineering with molecular and inorganic van der Waals crystals. — •Carla Boix-Constant¹, Samuel Mañas-Valero², and Eugenio Coronado¹ — ¹Institute of Molecular Science, 46980 Paterna (Valencia), Spain. — ²Kavli Institute of Nanoscience - TU Delft, Delft 2628 CJ, The Netherlands.

Two-dimensional (2D) materials offer unprecedented opportunities for fundamental and applied research in several condensed matter physics areas. For this purpose, state-of-the-art techniques were employed in this thesis (divided in two blocks) to fabricate van der Waals heterostructures based on mainly 2D magnets (both inorganic and molecular systems) and to characterize the resulting devices by magneto-transport techniques. On the one hand, new chemically designed molecular building blocks were combined with 2D materials to afford hybrid devices offering a new playground for exploiting the potential of spin transition molecular systems to control the properties of the 2D material. On the other hand, we focused on purely 2D magnetic materials: the quantum spin liquid candidate 1T-TaS2 - where our results throw some light in the debate about the exotic behaviour of the material - and the metamagnet CrSBr - results that afford a new generation of van der Waals heterostructures with programmable properties.

Keywords: 2D materials; van der Waals heterostructures; magneto-transport; 2D magnets; electronic transport