Growth and characterization of piezoelectric Sr3Ga2Ge4O14 crystals

被引：4
|
作者：
Wu, Anhua [1 ]
Xu, Jiayue [1 ]
Zhou, Juan [1 ]
Lu, Baoliang [1 ]
Wu, Xianjun [1 ]
Li, Xinhua [1 ]
Qian, Guoxing [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China
来源：
ULTRASONICS | 2006年 / 44卷
关键词：
Sr3Ga2Ge4O14; piezoelectric; crystal growth;
D O I：
10.1016/j.ultras.2006.05.014
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Langasite ( La3Ga5SiO14, LGS) and its isomorphs, have attracted much attention for their potential for surface acoustic wave ( SAW) and bulk acoustic wave ( BAW) applications. Among these homologous compounds, Sr3Ga2Ge4O14 ( SGG) attracted our attention due to its superior piezoelectric properties and lower growth temperature. In this work, SGG single crystal has been grown successfully by the vertical Bridgman method with crucible- sealing technique. SGG wafers of 2 in. have been fabricated. The basic physical properties of SGG crystals were measured. The results demonstrate that piezoelectric and mechanical properties of SGG crystals are better than that of LGS crystal and it is expected to be a potential substrate material for SAW and BAW applications. (c) 2006 Elsevier B. V. All rights reserved.
引用
收藏
页码：E613 / E615
页数：3
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