Lead zirconate titanate ceramics with aligned crystallite grains

被引：141

作者：

Li, Jinglei ^{[1
,2
]}

Qu, Wanbo ^{[3
]}

Daniels, John ^{[4
]}

Wu, Haijun ^{[3
]}

Liu, Linjing ^{[5
]}

Wu, Jie ^{[1
,2
]}

Wang, Mingwen ^{[1
,2
]}

Checchia, Stefano ^{[6
]}

Yang, Shuai ^{[1
,2
]}

Lei, Haobin ^{[1
,2
]}

Lv, Rui ^{[5
]}

Zhang, Yang ^{[7
]}

Wang, Danyang ^{[4
]}

Li, Xuexin ^{[1
,2
]}

Ding, Xiangdong ^{[3
]}

Sun, Jun ^{[3
]}

Xu, Zhuo ^{[1
,2
]}

Chang, Yunfei ^{[5
]}

Zhang, Shujun ^{[8
]}

Li, Fei ^{[1
,2
]}

机构：

[1] Xi An Jiao Tong Univ, Elect Mat Res Lab, State Key Lab Mech Behav Mat, Key Lab,Educ Minist, Xian 710049, Peoples R China

[2] Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R China

[3] Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China

[4] Univ New South Wales, Sch Mat Sci & Engn, Sydney, NSW, Australia

[5] Harbin Inst Technol, Funct Mat & Acoustoopt Instruments Inst, Sch Instrumentat Sci & Engn, Harbin 150080, Peoples R China

[6] European Synchrotron Radiat Facil ESRF, F-38000 Grenoble, France

[7] Xi An Jiao Tong Univ, Instrumental Anal Ctr, Xian 710049, Peoples R China

[8] Univ Wollongong, Inst Superconducting & Elect Mat, Australian Inst Innovat Mat, Wollongong, NSW, Australia

来源：

SCIENCE | 2023年 / 380卷 / 6640期

基金：

中国国家自然科学基金;

关键词：

PIEZOELECTRIC CERAMICS; GROWTH; POLARIZATION;

D O I：

10.1126/science.adf6161

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The piezoelectric properties of lead zirconate titanate [Pb(Zr,Ti)O-3 or PZT] ceramics could be enhanced by fabricating textured ceramics that would align the crystal grains along specific orientations. We present a seed-passivated texturing process to fabricate textured PZT ceramics by using newly developed Ba(Zr,Ti)O-3 microplatelet templates. This process not only ensures the template-induced grain growth in titanium-rich PZT layers but also facilitates desired composition through interlayer diffusion of zirconium and titanium. We successfully prepared textured PZT ceramics with outstanding properties, including Curie temperatures of 360 degrees C, piezoelectric coefficients d(33) of 760 picocoulombs per newton and g(33) of 100 millivolt meters per newton, and electromechanical couplings k(33) of 0.85. This study addresses the challenge of fabricating textured rhombohedral PZT ceramics by suppressing the otherwise severe chemical reaction between PZT powder and titanate templates.

引用

页码：87 / 93

页数：7

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