PIEZOELECTRIC PROPERTIES OF PB(ZN1/3NB2/3)O3-KNBO3-PZT SOLID-SOLUTION

被引：3

作者：

TAKENAKA, T

SATOU, M

NAKATA, K

SAKATA, K

机构：

[1] Faculty of Science and Technology, Science University of Tokyo, Noda, Chiba-ken

来源：

FERROELECTRICS | 1992年 / 128卷 / 1-4期

关键词：

D O I：

10.1080/00150199208015068

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Perovskite-structured lead zinc niobate, Pb(Zn1/3Nb2/3)O3 (PZN) ceramics can be stabilized by substituting for 10 mol % KNbO3 (KN). Piezoelectric properties of the pseudo-ternary PZT ceramics including 0.9PZN-0.1KN, namely, a.{0.9Pb(Zn1/3Nb2/3)O3-0.1KNbO3} -b.PbZrO3 -c.PbTiO3 (PKNZT [100a/100b/100c]) are studied from a viewpoint of piezoelectric actuator materials. For example, PKNZT [45/28/27] has a high electromechanical coupling factor, k33 =70.1 %, a free permittivity, epsilon33T/epsilon0=1890 and a high piezoelectric constant, d33 =377 x10(-12) C/N. PKNZT ceramics are favorable to piezoelectric actuator materials.

引用

页码：67 / 72

页数：6

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