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\bibitem{Cui_etal2021} {\textquotedblleft}\textit{Atomic defects, functional groups and properties in MXenes}{\textquotedblright}. Cui W, Hu Z-Y, Unocic RR, Van Tendeloo G, Sang X, Chinese Chemical Letters \textbf{32}, 339 (2021).   http://doi.org/10.1016/J.CCLET.2020.04.024

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