Please use this identifier to cite or link to this item: https://doi.org/10.1007/s10832-006-9876-2
Title: Microstructural and dielectric studies of A-site calcium doped PbZr 0.94Ti0.06O3 ceramics
Authors: Huang, H.
Zhou, L.M.
Kong, L.B. 
Keywords: Antiferroelectrics
Ferroelectrics
Phase transition
PZT
TEM
Issue Date: Jul-2006
Source: Huang, H., Zhou, L.M., Kong, L.B. (2006-07). Microstructural and dielectric studies of A-site calcium doped PbZr 0.94Ti0.06O3 ceramics. Journal of Electroceramics 16 (4) : 343-346. ScholarBank@NUS Repository. https://doi.org/10.1007/s10832-006-9876-2
Abstract: The microstructure-property relationship of calcium doped PbZr 0.94Ti0.06O3 (PZT 94/6) ceramics has been studied. It was found that calcium doping on the A-site turns the ferroelectric PZT 94/6 into antiferroelectric. 1/2 {hk0} superlattice reflections were observed in the selected area diffraction pattern (SADP) of PZT 94/6 which indicated an in-phase oxygen octahedra tilting in the ferroelectric PZT 94/6. When 4 mol% of calcium was added as a dopant, the material became antiferroelectric at room temperature, with the characteristic 1/4 {hk0} superlattice reflections observed in the SADP. The P-E hysteresis loop measurement also supports this conclusion. As the temperature increased, an AFE-FE phase transition occurred and this was accompanied by a hunch-like dielectric anomaly at around 140°C. © Springer Science + Business Media, LLC 2006.
Source Title: Journal of Electroceramics
URI: http://scholarbank.nus.edu.sg/handle/10635/116098
ISSN: 13853449
DOI: 10.1007/s10832-006-9876-2
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