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\bibitem{Li_etal2018} {\textquotedblleft}\textit{Tuning the electronic properties of gated multilayer phosphorene : a self-consistent tight-binding study}{\textquotedblright}. Li LL, Partoens B, Peeters FM, Physical review B \textbf{97}, 155424 (2018).   http://doi.org/10.1103/PHYSREVB.97.155424

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