Raman study for (Ba1-xCax)TiO3 and Ba(Ti1-yCay)O3 crystalline ceramics

被引：61
|
作者：
Chang, MC [1 ]
Yu, SC
机构：
[1] Kunsan Natl Univ, Dept Mat Sci & Engn, Kunsan 573701, South Korea
[2] Kunsan Natl Univ, Dept Chem, Kunsan 573701, South Korea
来源：
JOURNAL OF MATERIALS SCIENCE LETTERS | 2000年 / 19卷 / 15期
关键词：
D O I：
10.1023/A:1006732628003
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Raman spectra for the calcium doped barium titanate ceramics was investigated. Raman spectra showed the development of 832 cm-1 band in Ba(Ti1-yCay)O3 samples, but there were no detectable peaks of 832 cm-1 band in (Ba1-xCax)TiO3 below 20 mol% of Ca contents. The incorporation of Ca at the Ti sites of BaTiO3 induced the higher decrease in the tetragonality.
引用
收藏
页码：1323 / 1325
页数：3
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