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. 2017 Feb 8;7:42146. doi: 10.1038/srep42146

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This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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(a) The Raman spectrums of the MoS₂ samples prepared by using sulfurization of 1.0 nm Mo with 2.5, 2.0 and 1.5 g sulfur powder. (b) The picture and (c) the cross-sectional HRTEM image of the sample grown with 1.5 g sulfur powder. A blank sapphire substrate is also shown in (b) for comparison.