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\bibitem{Sarmadian_etal2012} {\textquotedblleft}\textit{Influence of Al concentration on the optoelectronic properties of Al-doped MgO}{\textquotedblright}. Sarmadian N, Saniz R, Lamoen D, Partoens B, Physical review : B : condensed matter and materials physics \textbf{86}, 205129 (2012).   http://doi.org/10.1103/PhysRevB.86.205129

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