Co-Precipitation Method for the Preparation of Nanocrystalline Ferroelectric SrBi2Nb2O9 Ceramics

被引：0
|
作者：
S. P. Gaikwad
S. R. Dhage
H. S. Potdar
Violet Samuel
V. Ravi
机构：
[1] National Chemical Laboratory,Physical and Materials Chemistry Division
[2] National Chemical Laboratory,Catalysis Division
来源：
Journal of Electroceramics | 2005年 / 14卷
关键词：
ceramics; electronic materials; oxides; chemical synthesis; ferroelectricity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A simple co-precipitation technique had been successfully applied for the preparation of pure ultrafine single phase SrBi2Nb2O9. Ammonium hydroxide and ammonium oxalate were used to precipitate Sr2 +, Bi3+ and Nb5+ cations simultaneously. No pyrochlore phase was found while heating powder at 850∘C and pure SrBi2Nb2O9 (SBN) phase was formed as revealed by the X-ray diffraction (XRD) studies. Particle size and morphology was studied by transmission electron microscopy (TEM). The room temperature dielectric constant at 1 kHz is 100. The ferroelectric hysteresis loop parameters of these samples were also studied.
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页码：83 / 87
页数：4
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