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Magnetic imaging and domain nucleation in CrSBr down to the 2D limit

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Magnetic imaging and domain nucleation in CrSBr down to the 2D limit

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dc.contributor.author	Boix Constant, Carla
dc.contributor.author	Mañas Valero, Samuel
dc.contributor.author	Rama Eiroa, Ricardo
dc.contributor.author	Coronado Miralles, Eugenio
dc.date.accessioned	2023-10-16T14:00:17Z
dc.date.available	2024-09-14T04:45:09Z
dc.date.issued	2023
dc.identifier.citation	Boix Constant, Carla Mañas Valero, Samuel Rama Eiroa, Ricardo Coronado Miralles, Eugenio 2023 Magnetic imaging and domain nucleation in CrSBr down to the 2D limit Advanced Materials
dc.identifier.uri	https://hdl.handle.net/10550/90368
dc.description.abstract	Recent advancements in two-dimensional (2D) materials have revealed the potential of van der Waals magnets, and specifically of their magnetic anisotropy that allows applications down to the two-dimensional limit. Among these materials, CrSBr has emerged as a promising candidate, because its intriguing magnetic and electronic properties have appeal for both fundamental and applied research in spintronics or magnonics. Here, we use nano SQUID-on-tip (SOT) microscopy to obtain direct magnetic imaging of CrSBr flakes with thicknesses ranging from monolayer (N = 1) to few-layer (N = 5). The ferromagnetic order is preserved down to the monolayer, while the antiferromagnetic coupling of the layers starts from the bilayer case. For odd layers, at zero applied magnetic field, we directly image the stray field resulting from the uncompensated layer. We also measure the progressive spin reorientation along the out-of-plane direction (hard axis) with a finite applied magnetic field, allowing us to evaluate the anisotropy constant, which remains stable down to the monolayer and is close to the bulk value. Finally, by controlling the size of the applied magnetic field, we can observe the formation of Néel magnetic domain walls down to the single layer limit.
dc.language.iso	eng
dc.relation.ispartof	Advanced Materials, 2023
dc.subject	química
dc.subject	materials
dc.title	Magnetic imaging and domain nucleation in CrSBr down to the 2D limit
dc.type	journal article
dc.date.updated	2023-10-16T14:00:17Z
dc.identifier.doi	10.1002/adma.202307195
dc.identifier.idgrec	161414
dc.embargo.terms	1 year
dc.rights.accessRights	open access
dc.relation.projectID	H2020/SINFONIA/ID:964396