Print Email Facebook Twitter Nanomechanical probing and strain tuning of the Curie temperature in suspended Cr2Ge2Te6-based heterostructures Title Nanomechanical probing and strain tuning of the Curie temperature in suspended Cr2Ge2Te6-based heterostructures Author Siskins, M. (TU Delft QN/Steeneken Lab; Kavli institute of nanoscience Delft) Kurdi, S. (TU Delft QN/vanderSarlab; Kavli institute of nanoscience Delft) Lee, M. (TU Delft QN/Steeneken Lab; Kavli institute of nanoscience Delft) Slotboom, Benjamin J.M. (Student TU Delft) Xing, Wenyu (Peking University) Mañas-Valero, Samuel (Universidad de Valencia (ICMol)) Coronado, Eugenio (Universidad de Valencia (ICMol)) Jia, Shuang (Peking University) Han, Wei (Peking University) van der Sar, T. (TU Delft QN/vanderSarlab; Kavli institute of nanoscience Delft) van der Zant, H.S.J. (TU Delft QN/van der Zant Lab; Kavli institute of nanoscience Delft) Steeneken, P.G. (TU Delft Dynamics of Micro and Nano Systems; TU Delft QN/Steeneken Lab; Kavli institute of nanoscience Delft) Date 2022 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. Subject OA-Fund TU Delft To reference this document use: http://resolver.tudelft.nl/uuid:ecce6099-cee8-4690-945e-cc389aafb90e DOI https://doi.org/10.1038/s41699-022-00315-7 ISSN 2397-7132 Source npj 2D Materials and Applications, 6 (1) Part of collection Institutional Repository Document type journal article Rights © 2022 M. Siskins, S. Kurdi, M. Lee, Benjamin J.M. Slotboom, Wenyu Xing, Samuel Mañas-Valero, Eugenio Coronado, Shuang Jia, Wei Han, T. van der Sar, H.S.J. van der Zant, P.G. Steeneken Files PDF s41699_022_00315_7.pdf 7.4 MB Close viewer /islandora/object/uuid:ecce6099-cee8-4690-945e-cc389aafb90e/datastream/OBJ/view