Paper Title:
Materials Design and Characterization of (Bi1/2Na1/2)TiO3-Bi(B’,B”)O3 Ceramics
  Abstract

0.995(Bi1/2Na1/2)TiO3-0.005Bi(B’,B”)O3 solid-solution ceramics (B’,B” denote Zn, Mg, Ni, Ti, Nb) were fabricated and their ferroelectric properties were investigated. Based on the structural characteristics of Bi(B’,B”)O3 analyzed by first-principles calculations, a materials design for obtaining a large piezoelectric strain is proposed: an index Z= Ps∙(ε33*∙s33)1/2, where Ps is spontaneous polarization, ε33* is relative permittivity and s33 is elastic compliance. A positive correlation was observed between Z and effective piezoelectric constant d33* observed for strain measurements.

  Info
Periodical
Edited by
Shinobu Fujihara and Tadashi Takenaka
Pages
59-62
DOI
10.4028/www.scientific.net/KEM.445.59
Citation
Y. Oshima, Y. Kitanaka, Y. Noguchi, M. Miyayama, "Materials Design and Characterization of (Bi1/2Na1/2)TiO3-Bi(B’,B”)O3 Ceramics", Key Engineering Materials, Vol. 445, pp. 59-62, 2010
Online since
July 2010
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