I will talk about types and properties of excitons in two-dimensional (2D) van der Waals magnetic insulators and semiconductors, such as CrI3, CrSBr, NiPS3, etc. In these materials excitons couple with the spin-polarized band structure, resulting in various correlated phenomena, such as formation of many-body excitons, exciton-photon and exciton-magnon coupling, ultra-narrow (sub-meV) excitonic emission. I will also discuss how probing excitons in 2D magnets helps studying magnetism in atomically thin materials, where “traditional” methods often struggle or fail.
Please register at this doodle if you want to join for pizza!
Location: Stuckelberg, Ecole de Physique
Time: Friday 10 November 2023, 12:00 for pizza, 12:30 start discussion