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\bibitem{Bruck_etal2012} {\textquotedblleft}\textit{Magnetic and electronic properties of the interface between half metallic Fe$_{3}$O$_{4}$ and semiconducting ZnO}{\textquotedblright}.  Brück S, Paul M, Tian H, Müller A, Kufer D, Praetorius C, Fauth K, Audehm P, Goering E, Verbeeck J, Van Tendeloo G, Sing M, Claessen R;, Applied physics letters \textbf{100}, 081603 (2012).   http://doi.org/10.1063/1.3687731

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