摘要
Ba1-xSrxTiO3（BST）powders were fabricated by sol-gel process by using strontium carbonate for the substitution of strontium acetate.Barium acetate,strontium carbonate and titanium-tetrabutoxide were used as raw materials.The BST gel was studied by thermal analysis techniques,the physical structure of the BST powders was measured by XRD and the grain size was measured.The results showed that the powders possess a single perovskite phase after 700℃ and the ideal powder size even after 800℃ calcining.This indicated that the powder can be used for BST ceramics and the fabrication of the sol-gel derived BST can be carried out well by using carbonate as the starting materials.
Ba_(1-x)Sr_xTiO_3(BST)powders were fabricated by sol-gel process by using strontium carbonate for the substitution of strontium acetate.Barium acetate,strontium carbonate and titanium-tetrabutoxide were used as raw materials.The BST gel was studied by thermal analysis techniques,the physical structure of the BST powders was measured by XRD and the grain size was measured.The results showed that the powders possess a single perovskite phase after 700℃ and the ideal powder size even after 800℃ calcining.This indicated that the powder can be used for BST ceramics and the fabrication of the sol-gel derived BST can be carried out well by using carbonate as the starting materials.
出处
《化学研究与应用》
CAS
CSCD
北大核心
2003年第6期819-820,共2页
Chemical Research and Application
基金
国家自然科学基金重点项目(50132020)
国家安全重大基础研究发展规划973项目(Z06)
