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Crystal structure refinement of the ferroelectric ceramic compound Sm2Bi2Ti3O12

Published online by Cambridge University Press:  10 January 2013

M. E. Villafuerte-Castrejón,
O. Alvarez-Fregoso,
L. E. Sansores,
A. Sànchez-Arjona,
J. Duque and
R. Pomés
M. E. Villafuerte-Castrejón
Affiliation:
Instituto de Investigaciones en Materiales. Universidad Nacional Autónoma de México. A. P. 70-360, Ciudad Universitaria, 04510, México D. F.
O. Alvarez-Fregoso
Affiliation:
Instituto de Investigaciones en Materiales. Universidad Nacional Autónoma de México. A. P. 70-360, Ciudad Universitaria, 04510, México D. F.
L. E. Sansores
Affiliation:
Instituto de Investigaciones en Materiales. Universidad Nacional Autónoma de México. A. P. 70-360, Ciudad Universitaria, 04510, México D. F.
A. Sànchez-Arjona
Affiliation:
Instituto de Investigaciones en Materiales. Universidad Nacional Autónoma de México. A. P. 70-360, Ciudad Universitaria, 04510, México D. F.
J. Duque
Affiliation:
Centro Nacional de Investigaciones Científicas, A.P. 6880, Ciudad de la Habana, Cuba
R. Pomés
Affiliation:
Centro Nacional de Investigaciones Científicas, A.P. 6880, Ciudad de la Habana, Cuba
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Abstract

Sm2Bi2Ti3O12 was synthesized by solid state reaction from Sm2O3, Bi2O3, and TiO2 in molar relation 1:1:3. Title compound is isostructural with Bi4Ti3O12. Products of the reaction were analyzed by X-ray diffraction methods. The crystal structure was refinement by the Rietveld Method. Cell parameters are: a=5.368(2), b=5.369(2), and c=32.71(2) Å, space group Fmmm. The final R value was 9.96% (Rw=13.43%).© 1998 International Center for Diffraction Data.

Keywords

ferroelectric ceramicRietveld refinementperovskite related structurerare earth bismuth titanates

Information

Type
Research Article
Information
Powder Diffraction , Volume 13 , Issue 2 , June 1998, pp. 113 - 115
Copyright
Copyright © Cambridge University Press 1998

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References

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