Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/17805
Title: Dielectric and ferroelectric properties of Bi-doped BaTiO3 ceramics
Authors: Jiang, XP
Zeng, M
Kwok, KW 
Chan, HLW 
Keywords: BaTiO3 ceramics
Bi-doped
Dielectric properties
Relaxor ferroelectrics
Issue Date: 2007
Publisher: Scientific.Net
Source: Key engineering materials, 2007, v. 334-335 II, p. 977-980 How to cite?
Journal: Key engineering materials 
Abstract: Barium titanate with A-site substituted by various amount of bismuth oxide (Ba1-x BixTiO3, abbreviated as BBT, x=0.05, 0.1, 0.15) were prepared by solid-state reaction. The effect of bismuth substitution on crystallographic phase, dielectric and ferroelectric properties was studied. The X-ray diffraction shows that the samples were crystallized into pure perovskite structure when x=0.05 and 0.1, while for x=0.15 sample, second phase appeared in the dominant perovskite phase. The temperature dependence of dielectric permittivity of the ceramics was investigated and the evolution from normal ferroelectrics to relaxor ferroelectric sates was observed. In the range 0≤x≤0.1, the temperature of dielectric peak Tm is independence of the frequency, indicating the normal ferroelectrics behavior. At x=0.15, dielectric relaxation process with a broadening distribution of the permittivity dielectric is observed.
URI: http://hdl.handle.net/10397/17805
ISSN: 1013-9826 (print)
1662-9795 (online)
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