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\bibitem{Li_etal2011} {\textquotedblleft}\textit{Well shaped Mn$_{3}$O$_{4}$ nano-octahedra with anomalous magnetic behavior and enhanced photodecomposition properties}{\textquotedblright}. Li Y, Tan H, Yang X-Y, Goris B, Verbeeck J, Bals S, Colson P, Cloots R, Van Tendeloo G, Su B-L, Small \textbf{7}, 475 (2011).   http://doi.org/10.1002/smll.201001403

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