Piezoelectric Properties in Textured Ceramics of SrBi2Nb2O9


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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/°C was obtained for the specimen with an orientation degree of 76%.



Edited by:

Keiichi Katayama, Kazumi Kato, Tadashi Takenaka, Masasuke Takata and Kazuo Shinozaki




T. Sawada et al., "Piezoelectric Properties in Textured Ceramics of SrBi2Nb2O9", Key Engineering Materials, Vol. 320, pp. 15-18, 2006

Online since:

September 2006




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