Preparation of nanocrystalline BaTiO3 ceramics

被引：0
|
作者：
DENG XiangYun1
2 Materials and Chemical Engineering Institute
3 Department of Materials Science and Engineering
机构：
来源：
Science China Technological Sciences | 2009年 / 06期
基金：
中国国家自然科学基金;
关键词：
nanocrystalline BaTiO3 ceramics; preparation; microstructure; size effect;
D O I：
暂无
中图分类号：
TB383.1 [];
学科分类号：
070205 ; 080501 ; 1406 ;
摘要：
The high-dense nanocrystalline BaTiO3(BT)ceramics with grain size smaller than 100nm have been successfully prepared by the two step sintering and the spark plasma sintering(SPS)process.The successive transitions in nanograin BT ceramics from rhombohedral to orthorhombic,tetragonal and cubic transitions,similar to those in coarse BT ceramics,were revealed by in-situ temperature dependent Raman spectrum.The multiphase coexistence and the diffused phase transition character were demonstrated in the 8nm nanocrystalline BT ceramics.
引用
收藏
页码：1730 / 1734
页数：5
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