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\bibitem{Guo_etal2020} {\textquotedblleft}\textit{Identifying alternative ferroelectric materials beyond Hf(Zr)O-$_{2}$}{\textquotedblright}. Guo J, Clima S, Pourtois G, Van Houdt J, Applied Physics Letters \textbf{117}, 262903 (2020).   http://doi.org/10.1063/5.0028611

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