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- Title
Phase Transformation Behavior and Electrical Properties of Pb(Zr<sub>0.56</sub>Ti<sub>0.44</sub>)O<sub>3</sub>-Bi(Zn<sub>0.5</sub>Ti<sub>0.5</sub>)O<sub>3</sub> Solid Solution Ceramics.
- Authors
Zuo, Ruzhong; Liu, Yi; Su, Shi; Chu, Xiangcheng; Wang, Xiaohui; Randall, C. A.
- Abstract
The solid solutions of (1− x)Pb(Zr0.56Ti0.44)O3- xBi(Zn0.5Ti0.5)O3 ((1− x)PZ56T44- xBZT) were synthesized via a solid-state reaction method. X-ray diffraction results indicated that the tetragonality of (1− x)PZ56T44- xBZT was enhanced with increasing the BZT content, and a morphotropic phase boundary ( MPB) between rhombohedral and tetragonal ferroelectric phases was identified to be in the range of 0.15 < x < 0.18. In addition, the dielectric diffuseness and frequency dispersion behavior were induced with increasing the BZT content, owing to increased disorder degree of both A-site and B-site cations in (1− x)PZ56T44- xBZT perovskite lattice. Contrary to the case in PT-BZT, the increased tetragonality accompanies reduced Curie temperatures ( Tc) as PZ56T44 was substituted by BZT. The electrical properties of solid solutions exhibit obviously compositional dependence. The optimum dielectric and piezoelectric properties of
- Subjects
SOLID solutions; PHASE transitions; CERAMICS; X-ray diffraction; HEMATITE; FERROELECTRIC crystals; CURIE temperature
- Publication
Journal of the American Ceramic Society, 2011, Vol 94, Issue 12, p4340
- ISSN
0002-7820
- Publication type
Article
- DOI
10.1111/j.1551-2916.2011.04699.x