Piezoelectric properties in textured ceramics of SrBi2Nb2O9

被引：2

作者：

Sawada, Takuya ^{[1
]}

Ogawa, Hirozumi ^{[1
]}

Kimura, Masahiko ^{[1
]}

Shiratsuyu, Kosuke ^{[1
]}

Ando, Akira ^{[1
]}

机构：

[1] Murata Mfg Co Ltd, Nagaokakyo, Kyoto 6178555, Japan

来源：

ELECTROCERAMICS IN JAPAN IX | 2006年 / 320卷

关键词：

bismuth layer structured ferroelectrics; thickness shear vibration mode; templated grain growth method; temperature coefficient of resonant frequency; piezoelectricity;

D O I：

10.4028/www.scientific.net/KEM.320.15

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A study has been done for the piezoelectric properties in texured ceramics of SrBi2Nb2O9 (SBN) fabricated by the templated grain growth (TGG) method. Remanent polarization along to the stacking direction increased with the orientation degrees. That corresponds to the increases in electro-mechanical coupling coefficient with orientation degree. The temperature coefficient of the resonant frequency (TCF) in thickness sheer vibration mode changed from negative to positive with increasing orientation degrees, and an excellent TCF of -0.4 ppm/degrees C was obtained for the specimen with an orientation degree of 76%.

引用

页码：15 / 18

页数：4

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