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\bibitem{Peelaers_etal2009} {\textquotedblleft}\textit{Phonon band structure of Si nanowires: a stability analysis}{\textquotedblright}. Peelaers H, Partoens B, Peeters FM, Nano letters \textbf{9}, 107 (2009).   http://doi.org/10.1021/nl802613p

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