|Table of Contents|
[1].The electromechanical features of LiNbO3 crystal for potential high temperature piezoelectric applications[J].Journal of Materiomics,2019,(01):73-80.[doi:https://doi.org/10.1016/j.jmat.2018.10.001]
　Feifei Chena,Lingfeng Kongb,Wei Songc,et al.The electromechanical features of LiNbO3 crystal for potential high temperature piezoelectric applications[J].Journal of Materiomics,2019,(01):73-80.[doi:https://doi.org/10.1016/j.jmat.2018.10.001]
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The electromechanical features of LiNbO3 crystal for potential high temperature piezoelectric applications(PDF)



Journal of Materiomics[ISSN:/CN:]

volumne:
Issue:
2019年01期
Page:
73-80
Research Field:
Publishing date:
2019-03-30

Info

Title:
The electromechanical features of LiNbO3 crystal for potential high temperature piezoelectric applications
Highlights:
Feifei Chena; Lingfeng Kongb; Wei Songc; Chao Jianga; Shiwei Tiana; Fapeng Yua; Lifeng Qinb; Chunlei Wangd; Xian Zhaoa
aState Key Laboratory of Crystal Materials and Advanced Research Center for Optics of Shandong University, China;bDepartment of Mechanical and Electrical Engineering, Xiamen University, Xiamen, 361005, China;cCETC Deqing Huaying Electronics Co., Ltd, China;dSchool of Physics, Shandong University, Jinan, 250100, China
Keywords:
LiNbO3; Radial extensional mode; Thickness extensional mode; Temperature stability
PACS:
-
DOI:
https://doi.org/10.1016/j.jmat.2018.10.001
Abstract:
Lithium niobate (LiNbO3, LN) crystal is a multi-functional material with favorable piezoelectric, nonlinear optical and electro-optic properties. In this study, the electromechanical properties of the radial extensional (RE) and the thickness extensional (TE) modes of the congruent LN are studied and the temperature dependent behaviors are revealed. The RE mode electromechanical coupling factors (kp) for the Y- and Z-oriented discs are calculated and found to be 3.8% and 24.7%, respectively, which are nearly the same as the experimental results of 3.8% and 25.2%, respectively. The maximum RE and thickness shear (TS) modes electromechanical coupling factors are obtained to be 47.6% and 68.5% for the Yx/25° and Yx/167° crystal cuts, respectively. The LN crystal possesses good temperature stability of the electromechanical coupling factors (RE and TE modes) from 20?°C to 500?°C, where the variations of kp and kt for the Y-oriented discs are?<?8.0% and <1.8%, respectively.

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Last Update: 2019-03-30