Artículo
Towards efficient strain engineering of 2D materials: A four-points bending approach for compressive strain
Autor/es | Li, Hao
Carrascoso Plana, Félix Borrás Martos, Ana Moreno Martínez, Gloria P. Aparicio Rebollo, Francisco Javier Barranco Quero, Ángel Castellanos Gómez, Andrés |
Departamento | Universidad de Sevilla. Departamento de Física Aplicada I |
Fecha de publicación | 2024-01 |
Fecha de depósito | 2024-02-14 |
Publicado en |
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Resumen | Strain engineering, as a powerful strategy to tune the optical and electrical properties of two-dimensional (2D) materials by
deforming their crystal lattice, has attracted significant interest in recent ... Strain engineering, as a powerful strategy to tune the optical and electrical properties of two-dimensional (2D) materials by deforming their crystal lattice, has attracted significant interest in recent years. 2D materials can sustain ultra-high strains, even up to 10%, due to the lack of dangling bonds on their surface, making them ideal brittle solids. This remarkable mechanical resilience, together with a strong strain-tunable band structure, endows 2D materials with a broad optical and electrical response upon strain. However, strain engineering based on 2D materials is restricted by their nanoscale and strain quantification troubles. In this study, we have modified a homebuilt three-points bending apparatus to transform it into a four-points bending apparatus that allows for the application of both compressive and tensile strains on 2D materials. This approach allows for the efficient and reproducible construction of a strain system and minimizes the buckling effect caused by the van der Waals interaction by adamantane encapsulation strategy. Our results demonstrate the feasibility of introducing compressive strain on 2D materials and the potential for tuning their optical and physical properties through this approach. |
Agencias financiadoras | European Union’s Horizon 2020 research and innovation program Nº 755655 European Union’s Horizon 2020 research and innovation program ERC-StG 2017 project 2D-TOPSENSE Ministry of Science and Innovation (Spain) through the project PID2020-115566RB-I00 EU FLAG-ERA project To2Dox under the program PCI2019-111893-2 Spanish Ministry of Science and Innovation AEI/10.13039/501100011033 Nº PID2019-110430GB-C21 EU ERDF (FEDER Operational Program (2014–2020), A way of making Europe) and the Consejería de Economía, Conocimiento, Empresas y Universidad de la Junta de Andalucía P18-RT-3480 EU ERDF (FEDER Operational Program (2014–2020), A way of making Europe) and the Consejería de Economía, Conocimiento, Empresas y Universidad de la Junta de Andalucía US-1381057 |
Identificador del proyecto | EU H2020 Nº 755655
EU H2020 ERC-StG 2017 project 2D-TOPSENSE PID2020-115566RB-I00 PCI2019-111893-2 PID2019-110430GB-C21 P18-RT-3480 US-1381057 |
Cita | Li, H., Carrascoso Plana, ., Borrás Martos, A., Moreno Martínez, G.P., Aparicio Rebollo, F.J., Barranco Quero, Á. y Castellanos Gómez, A. (2024). Towards efficient strain engineering of 2D materials: A four-points bending approach for compressive strain. Nano Research. https://doi.org/10.1007/s12274-023-6402-7. |
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