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Interplay between optical emission and magnetism in the van der Waals magnetic semiconductor CrSBr in the two-dimensional limit

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Interplay between optical emission and magnetism in the van der Waals magnetic semiconductor CrSBr in the two-dimensional limit

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dc.contributor.author	Marques Moros, Francisco
dc.contributor.author	Boix Constant, Carla
dc.contributor.author	Mañas Valero, Samuel
dc.contributor.author	Canet Ferrer, José
dc.contributor.author	Coronado Miralles, Eugenio
dc.date.accessioned	2023-10-16T14:11:19Z
dc.date.available	2023-10-16T14:11:19Z
dc.date.issued	2023
dc.identifier.citation	Marques Moros, Francisco Boix Constant, Carla Mañas Valero, Samuel Canet Ferrer, José Coronado Miralles, Eugenio 2023 Interplay between optical emission and magnetism in the van der Waals magnetic semiconductor CrSBr in the two-dimensional limit Acs Nano 17 14 13224 13231
dc.identifier.uri	https://hdl.handle.net/10550/90369
dc.description.abstract	The van der Waals semiconductor metamagnet CrSBr offers an ideal platform for studying the interplay between optical and magnetic properties in the two-dimensional limit. Here, we carried out an exhaustive optical characterization of this material by means of temperature- and magnetic-field-dependent photoluminescence (PL) on flakes of different thicknesses down to the monolayer. We found a characteristic emission peak that is quenched upon switching the ferromagnetic layers from an antiparallel to a parallel configuration and exhibits a temperature dependence different from that of the peaks commonly ascribed to excitons. The contribution of this peak to the PL is boosted around 30-40 K, coinciding with the hidden order magnetic transition temperature. Our findings reveal the connection between the optical and magnetic properties via the ionization of magnetic donor vacancies. This behavior enables a useful tool for the optical reading of the magnetic states in atomically thin layers of CrSBr and shows the potential of the design of 2D heterostructures with magnetic and excitonic properties.
dc.language.iso	eng
dc.relation.ispartof	Acs Nano, 2023, vol. 17, num. 14, p. 13224-13231
dc.subject	química
dc.subject	materials
dc.title	Interplay between optical emission and magnetism in the van der Waals magnetic semiconductor CrSBr in the two-dimensional limit
dc.type	journal article
dc.date.updated	2023-10-16T14:11:19Z
dc.identifier.doi	10.1021/acsnano.3c00375
dc.identifier.idgrec	161477
dc.rights.accessRights	open access
dc.relation.projectID	H2020/SINFONIA/ID:964396