Fabrication and Ferroelectric Properties of Ba-Doped Strontium Bismuth Titanate Ceramics

Dan Xie; Wei Pan; Zhi Min Dang; Tian Ling Ren

doi:10.4028/www.scientific.net/KEM.280-283.163

Paper Titles

Preparation and Properties of Low-Temperature Sintered SrBi₄Ti₄O₁₅/Ag Composites
p.145

Effects of Ag-Pd Powder on Ferroelectric and Mechanical Properties of PLZT Ceramics
p.151

Co-Firing Behavior of Co₂Z Hexagonal Ferrite/Ag Internal Electrode for MLCIs
p.155

Effects of Electrical Characters on Electrical Fatigue Behavior in PLZT Ferroelectric Ceramics
p.159

Fabrication and Ferroelectric Properties of Ba-Doped Strontium Bismuth Titanate Ceramics
p.163

Ferroelectric Properties of Bismuth Titanate Ceramics by Sm³⁺/V⁵⁺ Substitution
p.167

Morphology and Dielectric Properties of Lead Ziconate Titanate/Nano-ZnO Composite
p.171

Microstructure and Characteristics of PbTiO₃-PbZrO₃-Pb(Mg_1/3Nb_2/3)O₃- Pb(Zn_1/3Nb_2/3)O₃ Ceramics
p.175

Textured Pb(Mg_1/3Nb_2/3)O₃-PbTiO₃ Ceramics by Templated Grain Growth
p.181

HomeKey Engineering MaterialsKey Engineering Materials Vols. 280-283Fabrication and Ferroelectric Properties of...

Fabrication and Ferroelectric Properties of Ba-Doped Strontium Bismuth Titanate Ceramics

Abstract:

In the paper, the microstructure and properties of Sr1-xBaxBi4Ti4O15 (SBBT) ceramics with different Ba contents were investigated. SBBT ceramics were fabricated by means of the method combining Sol-Gel process and ordinary firing. The morphology will change when Ba2+ is doped in SrBi4Ti4O15 (SBTi), which will lead to the change of structure and ferroelectric properties. The microstructure of SBTi and BaBi4Ti4O15 (BBTi) ceramics were characterized by scan electron microscopy (SEM). With the increase of Ba2+ doping contents, the sintering temperature of SBBT ceramics decreases, 1120°C for SBTi and 1060°C for BBTi. BBTi ceramics contain more and larger plate-like grains than that in SBTi, the diameter of the grains in BBTi is about 8~10 µm, the thickness is about 2.5 µm. With the increase of Ba2+ doping contents, remanent polarization (Pr) and coercive electric-field (Ec) increase first and then decrease. At the molar ratio of Sr:Ba=0.5:0.5, SBBT ceramics exhibited the highest Pr and Ec.

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Key Engineering Materials (Volumes 280-283)

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163-166

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https://doi.org/10.4028/www.scientific.net/KEM.280-283.163

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February 2007

Authors:

Dan Xie, Wei Pan, Zhi Min Dang, Tian Ling Ren

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(Sr,Ba)Bi₄Ti₄O₁₅, Ferroelectric Ceramics, Ferroelectric Property, Sol-Gel Process

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