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Nanomechanical probing and strain tuning of the Curie temperature in suspended Cr2Ge2Te6-based heterostructures

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Nanomechanical probing and strain tuning of the Curie temperature in suspended Cr2Ge2Te6-based heterostructures

dc.contributor.author	Siskins, Makars
dc.contributor.author	Kurdi, S.
dc.contributor.author	Lee, Martin
dc.contributor.author	Slotboom, B. J. M.
dc.contributor.author	Xing, W.
dc.contributor.author	Mañas Valero, Samuel
dc.contributor.author	Coronado Miralles, Eugenio
dc.contributor.author	Jia, S.
dc.contributor.author	Han, W.
dc.contributor.author	Van der Sar, T.
dc.contributor.author	Van der Zant, H. S. J.
dc.contributor.author	Steeneken, P. G.
dc.date.accessioned	2022-07-27T09:36:12Z
dc.date.available	2022-07-27T09:36:12Z
dc.date.issued	2022
dc.identifier.citation	Siskins, Makars Kurdi, S. Lee, Martin Slotboom, B. J. M. Xing, W. Mañas Valero, Samuel Coronado Miralles, Eugenio Jia, S. Han, W. Van der Sar, T. Van der Zant, H. S. J. Steeneken, P.G. 2022 Nanomechanical probing and strain tuning of the Curie temperature in suspended Cr2Ge2Te6-based heterostructures Npj 2d Materials And Applications 6 1 1 8
dc.identifier.uri	https://hdl.handle.net/10550/83532
dc.description.abstract	Two-dimensional magnetic materials with strong magnetostriction are attractive systems for realizing strain-tuning of the magnetization in spintronic and nanomagnetic devices. This requires an understanding of the magneto-mechanical coupling in these materials. In this work, we suspend thin Cr2Ge2Te6 layers and their heterostructures, creating ferromagnetic nanomechanical membrane resonators. We probe their mechanical and magnetic properties as a function of temperature and strain by observing magneto-elastic signatures in the temperature-dependent resonance frequency near the Curie temperature, TC. We compensate for the negative thermal expansion coefficient of Cr2Ge2Te6 by fabricating heterostructures with thin layers of WSe2 and antiferromagnetic FePS3, which have positive thermal expansion coefficients. Thus we demonstrate the possibility of probing multiple magnetic phase transitions in a single heterostructure. Finally, we demonstrate a strain-induced enhancement of TC in a suspended Cr2Ge2Te6-based heterostructure by 2.5 ± 0.6 K by applying a strain of 0.026% via electrostatic force.
dc.language.iso	eng
dc.relation.ispartof	Npj 2d Materials And Applications, 2022, vol. 6, num. 1, p. 1-8
dc.subject	Química
dc.subject	Física
dc.subject	Nanotecnologia
dc.title	Nanomechanical probing and strain tuning of the Curie temperature in suspended Cr2Ge2Te6-based heterostructures
dc.type	journal article	es_ES
dc.date.updated	2022-07-27T09:36:12Z
dc.identifier.doi	10.1038/s41699-022-00315-7
dc.identifier.idgrec	154435
dc.rights.accessRights	open access	es_ES