Projects per year
Abstract
There has been enormous recent interest in heterostructures of two-dimensional van der Waals materials. Integrating materials with different quantum ground states in vertical heterostructures is predicted to lead to novel electronic properties that are not found in the constituent layers. Here, we present direct synthesis of a superconductor-magnet hybrid heterostructure by combining superconducting niobium diselenide (NbSe2) with the monolayer vanadium diselenide (VSe2). Molecular-beam epitaxy growth in ultra-high vacuum yields clean and atomically sharp interfaces. Combining different characterization techniques and density-functional theory calculations, we investigate the electronic and magnetic properties of VSe2 on NbSe2. Low temperature scanning tunneling microscopy measurements show an absence of the typical charge density wave on VSe2 and demonstrate a reduction of the superconducting gap of NbSe2 on the VSe2 layer. This suggests magnetization of the VSe2 sheet, at least on the local scale. Our work demonstrates superconducting-magnetic hybrid materials with potential applications in future electronics devices.
Original language | English |
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Article number | 116 |
Pages (from-to) | 1-8 |
Number of pages | 8 |
Journal | Communications Physics |
Volume | 3 |
Issue number | 1 |
DOIs | |
Publication status | Published - 26 Jun 2020 |
MoE publication type | A1 Journal article-refereed |
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E-DESIGN: Artificial designer materials
Liljeroth, P., Alldritt, B., Huang, X., Huda, M. N., Xu, C., Ganguli, S. C., Vano, V. & Yan, L.
15/08/2018 → 31/08/2024
Project: EU: ERC grants
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ADaM: Artificial designer materials
Liljeroth, P., Aapro, M., Alldritt, B., Amini, M., Silveira Júnior, O., Kipnis, A., Gonzalez Herrero, H., Khosravian, M., Otero Fumega, A., Huda, M. N., Shawulienu, K. & Karjasilta, A.
01/01/2019 → 31/12/2021
Project: Academy of Finland: Other research funding
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FUNTOMX: Controlled functionalization of two-dimensional MXene sheets
Komsa, H.
01/09/2017 → 31/12/2019
Project: Academy of Finland: Other research funding