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\bibitem{Walter_etal2016} {\textquotedblleft}\textit{New family of graphene-based organic semiconductors : an investigation of photon-induced electronic structure manipulation in half-fluorinated graphene}{\textquotedblright}.  Walter AL, Sahin H, Kang J, Jeon KJ, Bostwick A, Horzum S, Moreschini L, Chang YJ, Peeters FM, Horn K, Rotenberg E;, Physical review B \textbf{93}, 075439 (2016).   http://doi.org/10.1103/PhysRevB.93.075439

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