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\bibitem{Scalise_etal2012} {\textquotedblleft}\textit{Strain-induced semiconductor to metal transition in the two-dimensional honeycomb structure of MoS$_{2}$}{\textquotedblright}. Scalise E, Houssa M, Pourtois G, Afanas{\textquoteright}ev V, Stesmans A, Nano Research \textbf{5}, 43 (2012).   http://doi.org/10.1007/s12274-011-0183-0

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