Pb(Zr_(0.95)Ti_(0.05))O_3纳米粉的合成及其钙钛矿结构的稳定性（英文）  

Preparation of Pb(Zr_(0.95)Ti_(0.05))O_3 Nano-powder and Its Structural Stability of Perovskite

作　　者：胡艳华[1] 姚海云[1] 余占军 王玉卓[1] 

机构地区：[1]内蒙古工业大学,内蒙古呼和浩特010051

出　　处：《稀有金属材料与工程》2016年第3期571-574,共4页Rare Metal Materials and Engineering

基　　金：Inner Mongolia Natural Science Foundation(2012SM0812)

摘　　要：采用溶胶-凝胶技术合成了Pb（Zr0.95Ti0.05）O3纳米粉,并探讨了煅烧温度对PZT（95/5）钙钛矿相结构稳定性的影响。据TGA-DSC的实验结果,确定了干凝胶粉的煅烧温度范围为550-750℃。XRD实验结果表明,随着煅烧温度的升高,粉体主晶相的强度逐渐升高,杂质相的峰高逐渐减弱直至消失。当在750℃煅烧时,粉体结构为单一的钙钛矿相。利用SEM观察发现,随着煅烧温度的升高,所合成的粉体粒度逐渐变小、均匀。当在750℃煅烧时,单一钙钛矿结构的粉体的平均粒度为100 nm。Pb（Zr0.95Ti0.05）O3（PZT95/5 for short）anti-ferroelectric nano-powder was prepared by a sol-gel method,and the effects of calcination temperature on the structural stability of perovskite for PZT（95/5）was investigated.Based on the results of TGA-DSC,the calcination temperature range of dried gel was identified as from 550℃to 750℃.XRD results illustrate that the peak intensity of the main crystalline phase increases gradually,while that of the impurity phase decreases,eventually disappears with the increasing of the calcination temperature T_1.When calcined at 750 ℃,single phase of perovskite for PZT（piezoelectric transition）（95/5）is formed.SEM observation shows that with the increasing of T1,the powder synthesized becomes finer and more uniform progressively.And when calcined at 750 ℃,the average particle size of PZT（95/5）nano-powder is about 100 nm.

关 键 词：锆钛酸铅 溶胶-凝胶法 钙钛矿 结构稳定性 

分 类 号：TB383.1[一般工业技术—材料科学与工程]