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X-ray powder diffraction study of the thermal behavior of barium titanium citrate hydrate

Published online by Cambridge University Press:  10 January 2013

D. Louër ,
J. M. Criado ,
M. J. Dianez  and
L. A. Perez-Maqueda
D. Louër
Affiliation:
Laboratoire de Chimie du Solide et Inorganique Moléculaire (UMR CNRS 6511), Groupe de Cristallochimie, Avenue du Général Leclerc, 35042 Rennes cedex, France
J. M. Criado
Affiliation:
Instituto de Ciencias de Materiales (CSIC), Américo Vespucio s/n, 41092 Sevilla, Spain
M. J. Dianez
Affiliation:
Instituto de Ciencias de Materiales (CSIC), Américo Vespucio s/n, 41092 Sevilla, Spain
L. A. Perez-Maqueda
Affiliation:
Instituto de Ciencias de Materiales (CSIC), Américo Vespucio s/n, 41092 Sevilla, Spain
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Abstract

The thermal decomposition of barium bis(citrato)oxotitanate citrate heptahydrate, a molecular precursor of BaTiO3 fine powders is studied by temperature-dependent x-ray powder diffraction and thermogravimetry. A thorough investigation of the dehydration stage is presented. Three crystalline phases containing seven, three, and two water molecules, respectively, are identified from their powder diffraction pattern. The results of pattern indexing are presented and discussed in terms of parameter relationships.

Type
Research Article
Information
Powder Diffraction , Volume 12 , Issue 3 , September 1997 , pp. 180 - 184
Copyright
Copyright © Cambridge University Press 1997

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References

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