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Paper Titles
Relation between Electro-Optic Effect and Dielectric Permittivity of Ba0.5Sr0.5TiO3 Thin Films
p.20
Crystal Growth and Characterization of (Bi0.5Na0.5)TiO3-BaTiO3 Single Crystals Obtained by the Top-Seeded Solution Growth Method under High-Pressure Oxygen Atmosphere
p.25
Ferroelectric Properties and Domain Clamping of (Bi0.5Na0.5)TiO3 Single Crystals Grown under High-Oxygen-Pressure Atmosphere
p.29
Grain Size Dependence of the Microstructure and Dielectric Properties of Potassium Niobate-Barium Titanate Ceramics
p.34
Preparation of Barium Titanate Porous Ceramics and their Piezoelectric Power Generation Property
p.41
Effect of Hydrothermal Treatment on the Piezoelectric Response of Oriented Barium Titanate Ceramics
p.45
Piezoelectric Properties and Electric Field-Induced-Strains of Textured (Bi1/2K1/2)TiO3- BaTiO3 Ceramics
p.50
Preparation of Ceramics/Polymer Film Capacitor Using Barium Titanate Nanoparticles with High Dielectric Property and their Dielectric Property
p.54
Microstructure and Piezoelectric Properties of BaTiO3-Bi(Mg1/2Ti1/2)O3-BiFeO3 Ceramics
p.59

Preparation of Barium Titanate Porous Ceramics and their Piezoelectric Power Generation Property

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Abstract:

Barium titanate (BaTiO3) porous ceramics were prepared by conventional sintering method, and their dielectric and piezoelectric properties were measured using 31-resonators. With decreasing sintering temperature, dielectric constant showed a maximum of 5500 at 1300 °C, while piezoelectric constant and elastic compliance increased. These resonators were developed to unimorph-type vibrators and their instantaneous electric powers were measured. As the results, the maximum electric power of 129 μW was measured for the BaTiO3 porous ceramics sintered at 1200 °C, and this value was 20 times greater than that for dense BaTiO3 ceramics.

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Periodical:

Key Engineering Materials (Volume 566)

Pages:

41-44

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.566.41

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Online since:

July 2013

Authors:

Satoshi Wada, Yoshikazu Shimura, Petr Pulpan, Ichiro Fujii, Kouichi Nakashima

Keywords:

Barium Titanate (BT), Figure of Merit, Piezoelectric Power Generation, Porous Ceramics, Unimorph-Type

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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