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Highly Anisotropic Mechanical Response of the Van der Waals Magnet CrPS4

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Highly Anisotropic Mechanical Response of the Van der Waals Magnet CrPS4

dc.contributor.author	Houmes, Maurits J. A.
dc.contributor.author	Mañas Valero, Samuel
dc.contributor.author	Bermejillo-Seco, Alvaro
dc.contributor.author	Coronado Miralles, Eugenio
dc.contributor.author	Steeneken, P. G.
dc.contributor.author	Van der Zant, H. S. J.
dc.date.accessioned	2023-11-15T09:37:20Z
dc.date.available	2023-11-15T09:37:20Z
dc.date.issued	2023
dc.identifier.uri	https://hdl.handle.net/10550/91151
dc.description.abstract	Semiconducting van der Waals magnets exhibit a rich physical phenomenology with different collective excitations, as magnons or excitons, that can be coupled, thereby offering new opportunities for optoelectronic, spintronic, and magnonic devices. In contrast with the well-studied van der Waals magnets CrI3 or Fe3GeTe2, CrPS4 is a layered metamagnet with a high optical and magnon transport anisotropy. Here, the structural anisotropy of CrPS4 above and below the magnetic phase transition is investigated by fabricating nanomechanical resonators. A large anisotropy is observed in the resonance frequency of resonators oriented along the crystalline a- and b-axis, indicative of a lattice expansion along the b-axis, boosted at the magnetic phase transition, and a rather small continuous contraction along the a-axis. This behavior in the mechanical response differs from that previously reported in van der Waals magnets, as FePS3 or CoPS3, and can be understood from the quasi-1D nature of CrPS4. The results pinpoint CrPS4 as a promising material in the field of low-dimensional magnetism and show the potential of mechanical resonators for unraveling the in-plane structural anisotropy coupled to the magnetic ordering that, in a broader context, can be extended to studying structural modifications in other 2D materials and van der Waals heterostructures.
dc.language.iso	eng
dc.relation.ispartof	Advanced Functional Materials, 2023, p. 1-7
dc.source	Houmes, Maurits J. A. Mañas Valero, Samuel Bermejillo-Seco, Alvaro Coronado Miralles, Eugenio Steeneken, P. G. Van der Zant, H. S. J. 2023 Highly Anisotropic Mechanical Response of the Van der Waals Magnet CrPS4. Advanced Functional Materials, 1 7. https://doi.org/10.1002/adfm.202310206
dc.subject	física
dc.title	Highly Anisotropic Mechanical Response of the Van der Waals Magnet CrPS4
dc.type	journal article
dc.date.updated	2023-11-15T09:37:21Z
dc.identifier.doi	10.1002/adfm.202310206
dc.identifier.idgrec	161838
dc.rights.accessRights	open access