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\bibitem{Gelard_etal2011} {\textquotedblleft}\textit{Off-stoichiometry effects on the crystalline and defect structure of hexagonal manganite REMnO$_{3}$ films (RE = Y, Er, Dy)}{\textquotedblright}. G{\'e}lard J, Jehanathan N, Roussel H, Gariglio S, Lebedev OI, Van Tendeloo G, Dubourdieu C, Chemistry of materials \textbf{23}, 1232 (2011).   http://doi.org/10.1021/cm1029358

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