SNGS压电晶体的结构与声表面波传播特性研究

硅酸盐通报 ›› 2010, Vol. 29 ›› Issue (1): 98-101.

SNGS压电晶体的结构与声表面波传播特性研究

杨红旺;卢贵武;林定移;冯超;黄文奇;杨虹

中国石油大学(北京)数理系,北京,102249;北京师范大学信息科学与技术学院,北京,100875;北京信息科技大学理学院,北京,100081

出版日期:2010-02-15 发布日期:2021-01-18
基金资助:
教育部科学技术研究项目(108023)

Study on the Structure and the SAW Properties of SNGS Piezoelectric Crystal

YANG Hong-wang;LU Gui-wu;LIN Ding-yi;FENG Chao;HUANG Wen-qi;YANG Hong

Online:2010-02-15 Published:2021-01-18

摘要/Abstract

摘要： 本文研究了Sr_3NbGa_3Si_2O_(14)(SNGS)单晶的晶体结构、能带和态密度,计算了SNGS压电晶体的X、Y和Z切型的声表面波速度与机电耦合系数,分析总结出声表面波特性比较好的切型,为SNGS的声表面波应用提供了理论依据.

关键词: SNGS;声表面波相速度;机电耦合系数

Abstract: The crystal structure, energy band and density of states of Sr_3NbGa_3Si_2O_(14) (SNGS) single crystal was studied, and the phase velocity and electro-mechanical coupling factor of SNGS are calculated for its different cuts. We gained the cut types with good acoustic surface wave (SAW) characteristics, which provides theoretical basis for the SAW application of SNGS piezoelectric crystal.

Key words: SNGS;acoustic surface phase velocity;electro-mechanical coupling factor

中图分类号:

杨红旺;卢贵武;林定移;冯超;黄文奇;杨虹. SNGS压电晶体的结构与声表面波传播特性研究[J]. 硅酸盐通报, 2010, 29(1): 98-101.

YANG Hong-wang;LU Gui-wu;LIN Ding-yi;FENG Chao;HUANG Wen-qi;YANG Hong. Study on the Structure and the SAW Properties of SNGS Piezoelectric Crystal[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2010, 29(1): 98-101.

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