Homogeneous precipitation of spherical colloidal barium titanate particles

Submicronic spherical BaTiO 3 particles of narrow size distribution have been prepared by thermal treatment of a new peroxidic compound of Ba and Ti. The properties of the solid precursor, obtained by homogeneous nucleation, depend on the experimental conditions (concentration of the reacting compou...

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Bibliographic Details
Published in:Colloids and surfaces 1988, Vol.32 (3-4), p.257-274
Main Authors: Gherardi, Paola, Matijević, Egon
Format: Article
Language:English
Subjects:
Chemistry
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
Physical and chemical studies. Granulometry. Electrokinetic phenomena
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Summary:Submicronic spherical BaTiO 3 particles of narrow size distribution have been prepared by thermal treatment of a new peroxidic compound of Ba and Ti. The properties of the solid precursor, obtained by homogeneous nucleation, depend on the experimental conditions (concentration of the reacting compounds, temperature, time, etc.). The average particle size of the final products can also be controlled by varying these parameters. A mechanism of the reactions involved is offered.
ISSN:0166-6622
1873-4340
DOI:10.1016/0166-6622(88)80021-0