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\bibitem{Beckers_etal2018} {\textquotedblleft}\textit{Energy filtering in silicon nanowires and nanosheets using a geometric superlattice and its use for steep-slope transistors}{\textquotedblright}. Beckers A, Thewissen M, Sor{\'e}e B, Journal of applied physics \textbf{124}, 144304 (2018).   http://doi.org/10.1063/1.5043543

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