亚微米级四方相钛酸钡低温固相法制备及晶型控制
Submicron Tetragonal Barium Titanate: Preparation by Solid State Reaction at Low Temperature and Crystal Phase Control
作者单位E-mail
丁厚远 江南大学化学与材料工程学院, 无锡 214122  
商少明 江南大学化学与材料工程学院, 无锡 214122 smshang@jiangnan.edu.cn 
秦高敏 江南大学化学与材料工程学院, 无锡 214122  
赵贝贝 江南大学化学与材料工程学院, 无锡 214122  
刘浩 江南大学化学与材料工程学院, 无锡 214122  
顾丹 江南大学化学与材料工程学院, 无锡 214122  
摘要: 以八水合氢氧化钡和α-钛酸为原料,在相对低的焙烧温度下,制备出近似球形、亚微米级的钛酸钡。通过XRD、SEM、Raman和FTIR等手段对钛酸钡样品进行表征,样品具有高结晶度,颗粒均一性良好。晶型转变的初步探究表明,立方相为主的钛酸钡可以在400℃发生晶相转变,成为以四方相为主的钛酸钡。
关键词: 四方相钛酸钡  低温固相法  相变  亚微米级  晶相可控  无机功能粉体
基金项目: 贵州省科学与技术重大项目(No.20126016)资助。
Abstract: Submicron barium titanate with spherical morphology was synthesized at relatively low temperature by using barium hydroxide octahydrate and α-titanic acid as starting materials. Barium titanate samples were characterized by XRD, SEM, Raman and FTIR, and the results show that the samples have high crystallinity and good uniformity. Tetragonal phase-based barium titanate can be obtained by phase transition from cubic phase-based barium titanate at low temperatue of 400℃. The preliminarily results of phase transition study were indicated.
Keywords: tetragonal barium titanate  low temperature solid state reaction  phase transition  submicron  controllable crystal phase  inorganic functional powder
投稿时间:2018-03-28 修订日期:2018-04-23
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丁厚远,商少明,秦高敏,赵贝贝,刘浩,顾丹.亚微米级四方相钛酸钡低温固相法制备及晶型控制[J].无机化学学报,2018,34(8):1483-1488.
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