Effect of Calcination Temperature on the Microstructure and Morphology of Bi3.25La0.75Ti3O12 Powders Synthesized from Polymerized Precursors
Lanthanum-modified bismuth titanate,Bi3.25La0.75Ti3O12 (BLT),powders were prepared from polymerized precursors using citric acid as a chelating agent and ethylene glycol as an esterification agent.The effect of calcination temperature on the microstructure and morphology of powders were studied.It was shown that the pure and normally stoichiometric phase of BLT powders could be obtained at relative low temperature from 550° to 700℃ even if the bismuth content is not excess in the starting precursors while the secondary phase could be detected at both lower and higher calcination temperatures.The shape of the BLT grains is also strongly influenced by the calcination temperature.
Bi-layer structure perovskites BLT Pechinic method
Pinyang Fang Huiqing Fan Shaojun Qiu Laijun Liu Jin Chen
State Key Laboratory of Solidification Processing,School of Materials Science and Engineering,Northwestern Polytechnical University,Xian 710072,China
国际会议
The Fifth China International Conference on High-Performance Ceramics (第五届先进陶瓷国际研讨会(CICC-5))
长沙
英文
1555-1557
2007-05-10（万方平台首次上网日期，不代表论文的发表时间）