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\bibitem{Yagmurcukardes_etal2016} {\textquotedblleft}\textit{Mg(OH)$_{2}$-WS$_{2}$ van der Waals heterobilayer : electric field tunable band-gap crossover}{\textquotedblright}. Yagmurcukardes M, Torun E, Senger RT, Peeters FM, Sahin H, Physical review B \textbf{94}, 195403 (2016).   http://doi.org/10.1103/PHYSREVB.94.195403

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