Paper Title:
Electrical Properties and Piezoelectric Properties of CaBi2Ta2O9-Based Ceramics
  Abstract

Electrical and piezoelectric properties of CaBi2Ta2O9-based ceramics have been studied. Temperature dependence of dielectric properties indicated that the Curie temperature, TC, was 923°C. Coercive field, EC, and remanent polarization, Pr, became saturated with increasing temperature. It is expected that higher-temperature than 250°C could promote the domain wall motion during the poling treatment. From resonance and antiresonance measurements, piezoelectric properties such as the maximum phase, max, electromechanical coupling factor, k33, and piezoelectric g constant, g33, were 86.1º, 0.085 and 8.4 × 10-3 V∙m/N, at room temperature, respectively.

  Info
Periodical
Key Engineering Materials (Volumes 421-422)
Edited by
Tadashi Takenaka, Hajime Haneda, Kazumi Kato, Masasuke Takata and Kazuo Shinozaki
Pages
46-49
DOI
10.4028/www.scientific.net/KEM.421-422.46
Citation
T. Tokusu, H. Miyabayashi, Y. Hiruma, H. Nagata, T. Takenaka, "Electrical Properties and Piezoelectric Properties of CaBi2Ta2O9-Based Ceramics", Key Engineering Materials, Vols. 421-422, pp. 46-49, 2010
Online since
December 2009
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Price
$32.00
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