Microstructure and piezoelectric properties of lead-free niobate ceramics

被引：5
|
作者：
Ryu, K. H.
Cho, J. A.
Song, T. K. [1 ]
Kim, M. -H.
Kim, S. -S.
Lee, H. -S.
Jeong, S. -J.
Song, J. -S.
Choi, K. -S.
机构：
[1] Changwon Natl Univ, Sch Nano & Adv Mat Engn, Gyongnam 641773, South Korea
[2] Changwon Natl Univ, Dept Phys, Gyongnam 641773, South Korea
[3] Korea Electrotechnol Res Inst, Elect & Magnet Devices Res Grp, Gyongnam 641120, South Korea
[4] Sunchon Natl Univ, Dept Phys, Choongnam 540742, South Korea
来源：
FERROELECTRICS | 2006年 / 338卷
关键词：
piezoelectrics; lead-free; microstructure; (K0.5Na0.5)NbO3; (Ag0.5Na0.5)-NbO3;
D O I：
10.1080/00150190600732678
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Recently perovskite niobates were paid much attention as lead-free piezoelectric materials to replace lead-basedPb(ZrTi)O-3 or relaxor systems which cause much environmental problems. Piezoelectric andjerroelectric properties of electromechanical coupling coefficient and quality factor in (K0.5NaO.5)NbO3 ceramic were studied. Dielectric properties of niobates including Ag ion; AgNbO3 and (Ag0.5Na0.5)NbO3 were studied. Phase transitions and dielectric relaxations were studied from the frequency and temperature dependent dielectric constant measurements. The piezoelectric properties were hardly observed in silver niobate systems.
引用
收藏
页码：1473 / 1479
页数：7
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