钛酸铋钠基无铅压电陶瓷的组分设计与性能调控研究进展  

Research progresses on the composition design and property's adjustment of sodium bismuth titanate based lead-free piezoelectric ceramics

作　　者：李方旭[1] 刘超[1] 肖定全[1] 

机构地区：[1]四川大学材料科学与工程学院,四川成都610064

出　　处：《功能材料》2013年第7期913-917,共5页Journal of Functional Materials

基　　金：国家自然科学基金资助项目(50772068;50972095;51272164);教育部博士点基金资助项目(20080610020)

摘　　要：钛酸铋钠(Bi0.5Na0.5TiO3,BNT)基无铅压电陶瓷是目前研究最多且极具应用前景的钙钛矿(ABO3)型无铅压电材料之一。最近几年,BNT基无铅压电陶瓷仍然是国际压电铁电材料研究的热点之一。从BNT基无铅压电陶瓷A位和/或B位取代、多组元复合、掺杂离子改性以及制备技术改进等方面,综合介绍了2006年以来国内外的研究进展,特别是准同型相界的构建以及组分设计与性能调控的研究进展,并对今后的研究进行了展望。The sodium bismuth titanate（Bi0.5Na0.5TiO3-BNT） based lead-free piezoelectric ceramics,which was considered as one of the most promising perovskite（ABO3） lead-free piezoelectric ceramics,were most studied worldwide.The researches in this area before 2006 were introduced by the author＇s group and published in this periodical.In recent years,researches on BNT-based lead-free piezoelectric ceramics were still one of the central issues of the international piezoelectric and ferroelectric materials.In this paper,the substitution of A and/or B in the BNT-based piezoelectric ceramics,the composition design on the multiple components,the improvements of the properties through different doping ions;as well as the improvements of the processing technique for BNT-based ceramics since 2006 were summarized and discussed,in which the construction of the morphotropic phase boundary（MPB） with component design and property＇s adjustment through various methods are mainly emphasized.The research prospects in the near future were also mentioned in this manuscript.

关 键 词：无铅压电陶瓷 钛酸铋钠 组分设计 性能调控 相界构建 

分 类 号：TM221[一般工业技术—材料科学与工程]