Piezoelectric property in morphotropic phase boundary Bi0.5(Na0.82K0.18)0.5TiO3 lead free thick film deposited by screen printing

被引：30

作者：

Zhang, Haibo ^{[1
]}

Jiang, Shenglin ^{[1
]}

Zeng, Yike ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Dept Elect Sci & Technol, Engn Res Ctr Funct Ceram MOE, Wuhan 430074, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 15期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/1.2911744

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Piezoelectric Bi-0.5(Na0.82K0.18)(0.5)TiO3 thick films were screen printed on Pt electroded alumina substrates. The resulting 38 mu m thick films sintered at 1100 degrees C for 0.5 h have maximum relative permittivity of 810, dielectric loss of 2.0% (at 10 kHz), remanent polarization of 28.3 mu C/cm(2), coercive field of 62 kV/cm, and longitudinal effective piezoelectric coefficient d(33eff) of 109 pm/V. The temperature dependence of the dielectric constant shows two clear peaks that were associated with phase transitions. The performance of this lead free piezoelectric thick film could be comparable to the corresponding bulk ceramics. (c) 2008 American Institute of Physics.

引用

页数：3

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