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	Morphotropic phase boundary study of the BNT-BKT lead-free piezoelectric ceramics
	Wei Zhao ; Heping Zhou ; Yongke Yan ; Dan Liu
	2010-05-10 ; 2010-05-10
关键词	Experimental/ bismuth compounds materials preparation piezoceramics potassium compounds sodium compounds solid-state phase transformations X-ray diffraction/ morphotropic phase boundary BNT-BKT lead-free piezoelectric ceramics bismuth sodium titanate bismuth potassium titanate conventional mixed-oxide technique XRD rhombohedral-tetragonal morphotropic phase boundary (Bi/sub 0.5/Na/sub 0.5/)TiO/sub 3/ (Bi/sub 0.5/K/sub 0.5/)TiO/sub 3// A6470K Solid-solid transitions A8120L Preparation of ceramics and refractories A7760 Piezoelectricity and electrostriction/ Bi0.5Na0.5TiO3/ss Bi0.5/ss Na0.5/ss TiO3/ss O3/ss Bi/ss Na/ss Ti/ss O/ss Bi0.5K0.5TiO3/ss Bi0.5/ss K0.5/ss TiO3/ss O3/ss Bi/ss Ti/ss K/ss O/ss
中文摘要	A lead-free piezoelectric ceramic binary system based on bismuth sodium titanate (Bi/sub 0.5/Na/sub 0.5/)TiO/sub 3/ (BNT)-bismuth potassium titanate (Bi/sub 0.5/K/sub 0.5/)TiO/sub 3/ (BKT) was synthesized by conventional mixed-oxide technique. The XRD analysis showed that the rhombohedral-tetragonal morphotropic phase boundary (MPB) of the Bios (Na/sub 1.x/K/sub x/)/sub 0.5/ TiO/sub 3/ system was in the composition range of x = 0.16 ~ 0.20. In addition, the piezoelectric properties of this system were also investigated. It was indicated that the piezoelectric properties are better with the compositions near the rhombohedral phase within the MPB than the compositions near the tetragonal phase.
语种	英语 ; 英语
出版者	Trans Tech Publications Ltd. ; Switzerland
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/21857]
专题	清华大学
推荐引用方式 GB/T 7714	Wei Zhao,Heping Zhou,Yongke Yan,et al. Morphotropic phase boundary study of the BNT-BKT lead-free piezoelectric ceramics[J],2010, 2010.
APA	Wei Zhao,Heping Zhou,Yongke Yan,&Dan Liu.(2010).Morphotropic phase boundary study of the BNT-BKT lead-free piezoelectric ceramics..
MLA	Wei Zhao,et al."Morphotropic phase boundary study of the BNT-BKT lead-free piezoelectric ceramics".(2010).

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