Structural and Dielectric Investigation of the PbTiO3-BaZrO3 System

Thermal expansion measurements, dielectric measurements, and X‐ray diffraction studies were made of the PbTiO3‐BaZrO3 system. A dielectric constant maximum of 11,300 was found at the Curie temperature for the Pb0.80‐Ba0.20Ti0.80Zr0.20O3 composition. The transition from a ferroelectric tetragonal pha...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 1967-08, Vol.50 (8), p.404-407
Main Authors: HARRIS, NORMAN H., TENNERY, VICTOR J.
Format: Article
Language:English
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Summary:Thermal expansion measurements, dielectric measurements, and X‐ray diffraction studies were made of the PbTiO3‐BaZrO3 system. A dielectric constant maximum of 11,300 was found at the Curie temperature for the Pb0.80‐Ba0.20Ti0.80Zr0.20O3 composition. The transition from a ferroelectric tetragonal phase to a para‐electric cubic phase for the 10, 20, and 30 mole % BaZrO3 in PbTiO3 compositions was of first order. X‐ray diffraction determination of the lattice parameters (25°C) showed that this tetragonal‐to‐cubic phase transition occurred at a composition of 44 mole % BaZrO3.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1967.tb15144.x