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Synthesis and Characterization of BaTiO3 Nanopowders and BaTiO3/CoFe2O4 Nanocomposites

Published online by Cambridge University Press:  25 May 2012

Yanling Gao
University of Duisburg-Essen, Institute for Materials Science, 45141 Essen, Germany
Doru C. Lupascu
University of Duisburg-Essen, Institute for Materials Science, 45141 Essen, Germany
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Highly stable, organic-based barium titanate (BaTiO3) sols were developed by the low cost and straightforward “organosol”-precipitation and auto-combustion process of amorphous organic precursors. BaTiO3/CoFe2O4 nanocomposites with core/shell structures embedded in a BaTiO3 matrix were also obtained using this process. The particles are systematically characterized by powder X-ray diffraction (XRD), scanning electron microscopy (SEM), thermogravimetric and differential thermal analyses (TGA/DTA), infrared spectroscopy (IR) and by laser granulometry for particle size distribution determination.

Research Article
Copyright © Materials Research Society 2012

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