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\bibitem{Clima_etal2013} {\textquotedblleft}\textit{Determination of ultimate leakage through rutile TiO$_{2}$ and tetragonal ZrO$_{2}$ from ab initio complex band calculations}{\textquotedblright}. Clima S, Kaczer B, Govoreanu B, Popovici M, Swerts J, Verhulst AS, Jurczak M, De Gendt S, Pourtois G, IEEE electron device letters \textbf{34}, 402 (2013).   http://doi.org/10.1109/LED.2013.2238885

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