Dielectric and Piezoelectric Properties of Lead-free (Bi0.5Na0.5)TiO3-(Bi0.5K0.5)TiO3 Ceramics

被引：5
|
作者：
Cho, J. A. [1 ]
Kuk, M. -H. [1 ]
Sung, Y. S. [1 ]
Lee, S. H. [1 ]
Song, T. K. [1 ]
Jeong, S. J. [2 ]
Song, J. S. [2 ]
Kim, M. -H.
机构：
[1] Changwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won, South Korea
[2] Korea Elect Res Inst, Elect & Magnet Devices Res Grp, Seoul, South Korea
来源：
KOREAN JOURNAL OF MATERIALS RESEARCH | 2005年 / 15卷 / 10期
关键词：
Lead-free; morphotropic phase boundary; (Bi0.5Na0.5)TiO3; (Bi0.5K0.5)TiO3;
D O I：
10.3740/MRSK.2005.15.10.639
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Lead-free [Bi-0.5(Na1.xKx)(0.5)TiO3] (x=0 similar to 10) ceramics were prepared using a solid state reaction method and their structural and electrical characteristics were investigated. X-ray investigations indicated that the rhombohedral-tetragonal morphotropic phase boundary(MPB) of the [Bi-0.5(Na1.xKx)(0.5)TiO3] ceramics exists in the range of x=0.16 similar to 0.20. The optimum values of piezoelectric constant(d(33)), dielectric constant, and electromechanical coupling factor(k(p)) were obtained at x=0.16 similar to 0.20 of the MIS region.
引用
收藏
页码：639 / 643
页数：5
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