Strain-induced valley transport in a CrBr3/WSe2/CrBr3 van der Waals heterostructure
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Título: | Strain-induced valley transport in a CrBr3/WSe2/CrBr3 van der Waals heterostructure |
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Autor/es: | Soriano, David | Marian, Damiano | Dubey, Prabhat | Fiori, Gianluca |
Grupo/s de investigación o GITE: | Grupo de Nanofísica |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Física Aplicada |
Palabras clave: | Strain-induced | Valley transport | CrBr3/WSe2/CrBr3 | van der Waals heterostructure |
Fecha de publicación: | 27-mar-2024 |
Editor: | American Physical Society |
Cita bibliográfica: | Physical Review B. 2024, 109: 115434. https://doi.org/10.1103/PhysRevB.109.115434 |
Resumen: | Two-dimensional magnetic materials are at the forefront of the next generation of spintronic devices. The possibility to interface them with other van der Waals materials such as transition metal dichalcogenides has opened new possibilities for the observation of new and existing physical phenomena. Here, we present a proof-of-concept valleytronic device based on CrBr3-encapsulated WSe2 showing an unprecedented valley splitting of ∼100meV under the compressive strain of the WSe2, able to be tuned by the relative magnetization of the encapsulating layers. Multiscale transport simulations performed on this device show a spin-valley current with a polarization higher than 80% than is maintained in a range of ∼0.3V gate voltage in a field-effect transistor configuration. The impact of the stacking configuration on the valley splitting is also evaluated. |
Patrocinador/es: | D.S. acknowledges financial support from Generalitat Valenciana through the CIDEGENT program (CIDEGENT/2021/052). This study forms part of the Advanced Materials program ans was supported by MCIN with funding from European Union NextGenerationEU (MFA/2022/045). This work has been supported by the project “SECSY - Simultaneous electrical control of spin and valley polarization in van der Waals magnetic materials” funded by the italian ministry of University and Research (MIUR) Progetti di Ricerca di Rilevante Interesse Nazionale (PRIN) Bando 2022 - Grant No. 2022FPAKWF. The authors also acknowledge financial support under the National Recovery and Resilience Plan (NRRP) - MISSION 4 COMPONENT 2, INVESTMENT N 1.4 by the Italian Ministry of University and Research (MIUR), funded by the European Union Next-GenerationEU HPC, Big Data and Quantum Computing (Simulazioni, calcolo e analisi dei dati ad alte prestazioni) - Grant Agreement No. CN00000013 - CUP No. I53C22000690001. |
URI: | http://hdl.handle.net/10045/142179 |
ISSN: | 2469-9950 (Print) | 2469-9969 (Online) |
DOI: | 10.1103/PhysRevB.109.115434 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © 2024 American Physical Society |
Revisión científica: | si |
Versión del editor: | https://doi.org/10.1103/PhysRevB.109.115434 |
Aparece en las colecciones: | INV - Grupo de Nanofísica - Artículos de Revistas |
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Soriano_etal_2024_PhysRevB.pdf | 4,81 MB | Adobe PDF | Abrir Vista previa | |
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