Paper Titles
Evolution of Crystallographic Grain Orientation of (K0.5Na0.5)NbO3 Piezoelectric Ceramics
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Self Assemble Synthesis of Potassium Niobate at Room Temperature
p.7
Preparation of Lead-Free Multi-Layered Piezoelectric Actuator
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Piezoelectric Properties in Textured Ceramics of SrBi2Nb2O9
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Influence of Oxygen Vacancies on the Polarization Properties in Bi4Ti3O12 Ferroelectric Single Crystals
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Piezoelectric Properties and Depolarization Temperatures of (Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3-BaTiO3 Lead-Free Piezoelectric Ceramics
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Influence of Annealing on Domain Structures of Bismuth-Titanate-Based Crystals
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Electrical Properties of Grain-Oriented SrBi2Nb2-xVxO9 Ceramics
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Crystal Growth and Electric-Field-Induced Strain in Bi0.5Na0.5TiO3 Crystals
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Piezoelectric Properties in Textured Ceramics of SrBi2Nb2O9

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Abstract:

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%.

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Periodical:

Key Engineering Materials (Volume 320)

Pages:

15-18

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.320.15

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Online since:

September 2006

Authors:

Takuya Sawada, Hirozumi Ogawa, Masahiko Kimura, Kosuke Shiratsuyu, Akira Ando

Keywords:

Bismuth Layer Structured Ferroelectrics, Piezoelectricity, Temperature Coefficient of Resonance Frequency, Templated Grain Growth Method, Thickness Shear Vibration Mode

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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