Paper Title:
Development of Lead-Free Piezoelectric Materials Using Domain Wall Engineering
  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.

  Info
Periodical
Edited by
Keiichi Katayama, Kazumi Kato, Tadashi Takenaka, Masasuke Takata and Kazuo Shinozaki
Pages
151-154
DOI
10.4028/www.scientific.net/KEM.320.151
Citation
S. Wada, K. Yako, T. Muraishi, H. Kakemoto, T. Tsurumi, "Development of Lead-Free Piezoelectric Materials Using Domain Wall Engineering", Key Engineering Materials, Vol. 320, pp. 151-154, 2006
Online since
September 2006
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Price
$32.00
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