简要介绍了压电铁电材料的种类及发展历程,重点比较了压电陶瓷和压电单晶在性能和制备中的差异,提出了制备织构型压电陶瓷的必要性.以钙钛矿型PMN-PT压电陶瓷为例,提出了产生织构结构的简便有效的方法-模板晶粒生长法(TGG法);同时具体分析了制备PMN-PT粉体、模板粒子的常用方法以及使模板产生定排列的方法.论述了目前已经取得的一些成果,提出了该体系织构材料今后的发展方向和应用前景.
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