Morphological evolution of barium titanate synthesized in water in the presence of polymeric species

被引：20
作者：
Bagwell, RB
Sindel, J
Sigmund, W
机构：
[1] Univ Stuttgart, Max Planck Inst Met Forsch, Pulvermet Lab, D-70569 Stuttgart, Germany
[2] Univ Stuttgart, Inst Nichtmet Anorgan Mat, D-70569 Stuttgart, Germany
来源：
JOURNAL OF MATERIALS RESEARCH | 1999年 / 14卷 / 05期
关键词：
D O I：
10.1557/JMR.1999.0248
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The synthesis of barium titanate (BaTiO3) was investigated in water at 90 degrees C in the presence of polymeric additives. Homopolymers (polyacrylic acid) and block copolymers (polyethylene oxide-block-polymethacrylic acid) were added during synthesis to influence particle morphology and size distribution. The polymers affected the morphological evolution of the forming powder by adsorbing preferentially on specific planes. The polymeric species additionally slowed the formation of barium titanate. The barium concentration also changed the morphology, particle size, and other powder characteristics.
引用
收藏
页码：1844 / 1851
页数：8
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