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Synthesis of KSbOSiO4 by the sol-gel route

Published online by Cambridge University Press:  31 January 2011

Y. Kanno ,
C. Pagnoux ,
Y. Piffard  and
M. Touraoux
Y. Kanno
Affiliation:
Institut des Matériaux, Laboratoire de Chimie des Solides, UMR CNRS N° 110, Université de Nantes 2, Rue de la Houssinière, 44072 Nantes Cedex 03, France
C. Pagnoux
Affiliation:
Institut des Matériaux, Laboratoire de Chimie des Solides, UMR CNRS N° 110, Université de Nantes 2, Rue de la Houssinière, 44072 Nantes Cedex 03, France
Y. Piffard
Affiliation:
Institut des Matériaux, Laboratoire de Chimie des Solides, UMR CNRS N° 110, Université de Nantes 2, Rue de la Houssinière, 44072 Nantes Cedex 03, France
M. Touraoux
Affiliation:
Institut des Matériaux, Laboratoire de Chimie des Solides, UMR CNRS N° 110, Université de Nantes 2, Rue de la Houssinière, 44072 Nantes Cedex 03, France
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Abstract

Fine powders with high sinterability of KSbOSiO4, an isomorphous derivative of KTiOPO4, have been prepared by a sol-gel route starting from stoichiometric mixtures of KSb(OH)6 and Si(OC2H5)4 with two types of polymerization catalysts: HNO3 and aqueous ammonia. KSbOSiO4 is formed upon calcination of the gels at 1373 K, and the XRPD studies show that HNO3 improves the crystallinity. However, the crystallite size is smaller with aqueous ammonia, which should then improve the sinterability.

Information

Type
Materials Communications
Information
Journal of Materials Research , Volume 6 , Issue 12 , December 1991 , pp. 2499 - 2500
Copyright
Copyright © Materials Research Society 1991

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References

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