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Atomistic real-space observation of van der Waals layered structure and tailored morphology in VSe2

Abstract

Two-dimensional (2D) transition metal dichalcogenides with van der Waals gap have attracted much interest due to peculiarly distinctive physical properties from their bulk counterparts. Among them, vanadium diselenide (VSe2) has been considered to be a promising candidate for future spintronic devices, as room temperature ferromagnetism was reported recently. However, detailed crystallography and properties of VSe2 nanosheets are less explored. Here, we report the atomistic real-space observation of van der Waals layered structure of VSe2 for the first time. Furthermore, simply by controlling the carrier gas flow rate, a morphological variation of surface area and thickness of VSe2 nanosheets was observed. The room temperature ferromagnetic feature of single VSe2 nanosheet was also revealed by magnetic force microscopy measurements. Our findings will play a significant role in the research of intrinsic 2D ferromagnetic materials.

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Publication details

The article was accepted on 02 Dec 2018 and first published on 03 Dec 2018


Article type: Communication
DOI: 10.1039/C8NR09258C
Citation: Nanoscale, 2018, Accepted Manuscript
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    Atomistic real-space observation of van der Waals layered structure and tailored morphology in VSe2

    S. Lee, J. Kim, Y. C. Park and S. Chun, Nanoscale, 2018, Accepted Manuscript , DOI: 10.1039/C8NR09258C

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