Physical origin of giant excitonic and magneto-optical responses in two-dimensional ferromagnetic insulators

The magneto-optical (MO) effects probe the electronic and magnetic properties of a material, particularly useful for 2D magnets. Here, the authors show that the large optical and MO responses in ferromagnetic monolayer CrI3 arise from strongly bound excitons, extending over several atoms.

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Detalles Bibliográficos
Autores principales: Meng Wu, Zhenglu Li, Ting Cao, Steven G. Louie
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2019
Materias:
Q
Acceso en línea:https://doaj.org/article/03cdfdd4ae7744b6b3278ecbbdb00a08
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Descripción
Sumario:The magneto-optical (MO) effects probe the electronic and magnetic properties of a material, particularly useful for 2D magnets. Here, the authors show that the large optical and MO responses in ferromagnetic monolayer CrI3 arise from strongly bound excitons, extending over several atoms.