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\bibitem{Pearce_etal2018} {\textquotedblleft}\textit{β-Na$_{1.7}$IrO$_{3}$: A Tridimensional Na-Ion Insertion Material with a Redox Active Oxygen Network}{\textquotedblright}. Pearce PE, Rousse G, Karakulina OM, Hadermann J, Van Tendeloo G, Foix D, Fauth F, Abakumov AM, Tarascon J-M, Chemistry of materials \textbf{30}, 3285 (2018).   http://doi.org/10.1021/acs.chemmater.8b00320

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