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. 2020 Sep 10;9:160. doi: 10.1038/s41377-020-00396-3

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 2 — a, b Schematic and optical micrograph of the VO₂/MoTe₂ heterostructure on a sapphire substrate. Scale bar, 10 μm. c Cross-sectional TEM image and corresponding EDS mappings of the heterostructure. Scale bar, 20 nm (top); an HRTEM image of the interface of the heterostructure is shown at the bottom. The insets show the corresponding fast Fourier transform patterns indexed to MoTe₂ and VO₂. Scale bar, 2 nm (bottom). d Linear plots (red) and logarithmic plots (blue) of I_ds as a function of V_ds. The inset symbol represents the junction mode.