Piezoelectric properties of Sr3Ga2Ge4O14 single crystals

被引：2

作者：

Wu, Anhua ^{[1
]}

Xu, Jiayue ^{[1
]}

Zhou, Juan ^{[1
]}

Shen, Hui ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China

来源：

BULLETIN OF MATERIALS SCIENCE | 2007年 / 30卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Sr3Ga2Ge4O14; piezoelectric materials; piezoelectric constants;

D O I：

10.1007/s12034-007-0018-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new piezoelectric single crystal, Sr3Ga2Ge4O14 (SGG), has been grown successfully by the vertical Bridgman method with crucible-sealing technique. SGG crystal up to 2 '' in diameter has been obtained. The relative dielectric constants, the piezoelectric strain constants, elastic compliance constants and electromechanical coupling factors have been determined with resonance and anti-resonance frequencies method by using the impedance analyzer (Agilent 4294A). The results show that the piezoelectric strain constants and electromechanical coupling factors of SGG single crystal are higher than those of LGS single crystals making it a potential substrate material for surface-acoustic wave applications.

引用

页码：101 / 104

页数：4

共 7 条

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