Preparation and dielectric characteristics of nanocrystalline Ba(MxTi1−x)O3

Nanocrystalline, monophasic, B-site isovalent substituted BaTiO3 with the representative formula, Ba(MxTi1-x)O3 [M = Sn, Zr] have been prepared by a simple direct-precipitation method. The crystalline phase and particle size of the nanopowders are examined by XRD and transmission electron microscopy...

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Bibliographic Details
Published in:Journal of physics. D, Applied physics Applied physics, 2007-05, Vol.40 (9), p.2936-2940
Main Authors: Kumar, V, Packia Selvam, I, Jithesh, K, Divya, P V
Format: Article
Language:English
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Summary:Nanocrystalline, monophasic, B-site isovalent substituted BaTiO3 with the representative formula, Ba(MxTi1-x)O3 [M = Sn, Zr] have been prepared by a simple direct-precipitation method. The crystalline phase and particle size of the nanopowders are examined by XRD and transmission electron microscopy, respectively. The influence of the isovalent substituent on the Curie temperature (Tc) and the nature of the phase transitions have been determined. The dielectric properties of the solid solutions prepared by this new method are reported. Factors influencing Tc in the solid-solution systems are also reported.
ISSN:0022-3727
1361-6463
DOI:10.1088/0022-3727/40/9/040