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\bibitem{Cakir_etal2015} {\textquotedblleft}\textit{Realization of a p-n junction in a single layer boron-phosphide}{\textquotedblright}. {\c C}akir D, Kecik D, Sahin H, Durgun E, Peeters FM, Physical chemistry, chemical physics \textbf{17}, 13013 (2015).   http://doi.org/10.1039/c5cp00414d

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