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Preparation of Stoichiometric M'TiO3, Powders (M' = Ba, Sr, Ca) from Catecholate Complexes

Published online by Cambridge University Press:  25 February 2011

N. J. Ali ,
J. Bultitude ,
L. A. Xue  and
S. J. Milne
N. J. Ali
Affiliation:
Department of Ceramics, University of Leeds, Leeds LS2 9JT, England.
J. Bultitude
Affiliation:
Department of Ceramics, University of Leeds, Leeds LS2 9JT, England.
L. A. Xue
Affiliation:
Department of Ceramics, University of Leeds, Leeds LS2 9JT, England.
S. J. Milne
Affiliation:
Department of Ceramics, University of Leeds, Leeds LS2 9JT, England.
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Abstract

Powders of BaTiO3, SrTiO3, and CaTiO3, were prepared from intermediate catecholate complexes, M'[Ti(C6H4O2], M' = Ba, Sr, Ca. Conversion to oxide was accomplished by heating at 600°C to produce stoichiometric powders of crystallite size, < 0.1 μm, with relatively weak agglomeration. Ultrasonic treatment of aqueous suspensions of the powders resulted in measured agglomerate sizes of less than 2–3 μm. Chemical and physical properties of the new powders are reported, together with information on sintering behaviour.

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 121: Symposium H – Better Ceramics Through Chemistry III , 1988 , 269
Copyright
Copyright © Materials Research Society 1988

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References

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