Paper Titles
Synthesis and Characterization of BaTiO3 Nano-Particle by Aerosol Plasma Pyrolysis Process
p.135
Size Dependence of Dielectric Properties for Barium Titanate Nanoparticles Prepared under Various Vacuum Atmospheres
p.139
Powder and Dielectric Characterization of Hydrothermally Synthesized Barium Titanate Nanopowders
p.143
Domain Wall Engineering in Potassium Niobate Single Crystals and Their Piezoelectric Properties
p.147
Development of Lead-Free Piezoelectric Materials Using Domain Wall Engineering
p.151
Morphological Design of Zinc Oxide Films Grown in Aqueous Solutions
p.155
Preparation and Characterization of Porous Alumina Film Using Sol Containing PEG
p.159
Synthesis of Carbon Nanotubes from Polycyclic Compounds by CVD Method
p.163
Photoinduced Nanodots in Bi2Sr2CaCu2O8+d
p.167

Development of Lead-Free Piezoelectric Materials Using Domain Wall Engineering

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Abstract:

For the [111] oriented barium titanate (BaTiO3) single crystals, the patterning electrode was applied to induce the finer engineered domain configurations with domain size of 3 2m. The poling treatment was performed at 134 °C under electric fields below 6 kV/cm to inhibit the burning of the patterning electrode with photoresist. As the results, the gradient domain sizes from 3 to 8-9 2m were induced into the 31 resonator. The d31 was measured at -243.2 pC/N, and this value was almost 70 % of the expected d31 of –337.7 pC/N for the resonator with domain size of 3 2m. This difference was originated from lower applied electric field below 6 kV/cm. However, this study was revealed that the patterning electrode was very powerful tool to induce much finer domain sizes below 5 2m.

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Periodical:

Key Engineering Materials (Volume 320)

Pages:

151-154

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.320.151

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Online since:

September 2006

Authors:

Satoshi Wada, Koichi Yako, Tomomitsu Muraishi, Hirofumi Kakemoto, Takaaki Tsurumi

Keywords:

Barium Titanate (BT), Domain Wall, Domain Wall Engineering, Engineered Domain Configuration, Lead-Free Piezoelectric, Piezoelectric Properties, Single Crystal

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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