Weakly Ferromagnetic Ordered Mesoporous Co3O4 Synthesized by Nanocasting from Vinyl-Functionalized Cubic Ia3d Mesoporous Silica

Authors


  • This work was partially funded by the FCI and the Leibniz program of the DFG, in addition to the basic support from the MPI für Kohlenforschung. We thank Dr. F. Kleitz for useful discussions.

Abstract

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Ordered, mesoporous cobalt oxide was synthesized via a nanocasting pathway from organically modified large-pore Ia3d silica. A replica structure could be obtained, which shows weak magnetic ordering at low temperatures due to the small size of the individual Co3O4 domains forming the mesostructure.

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