Vanadium diselenide (VSe), a member of the transition metal dichalcogenides (TMDs) family, is emerging as a promising two-dimensional (2D) candidate for the electronic and spintronic device with exotic properties including charge/spin density wave and ferromagnetism. The bulk crystal VSe exists in a crystallographic form of -phase with metallic behavior. In this paper, we report a structural phase transition of multilayer VSe from to through annealing at 650 K, accompanying a metal-insulator transition. We observe that the -phase is more thermodynamically favorable than the -phase at 2D.
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| http://dx.doi.org/10.1021/acsami.0c04449 | DOI Listing |
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