(Reactive) templated grain growth of textured sodium bismuth titanate (Na1/2Bi1/2TiO3-BaTiO3) ceramics - II dielectric and piezoelectric properties

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Abstract

(Na1/2Bi1/2)TiO3-BaTiO3 (<6.5% BaTiO3) ceramics with 〈001〉pc orientation were fabricated by Templated Grain Growth (TGG) or Reactive Templated Grain Growth (RTGG) using tabular SrTiO3 template particles. The maximum electrically-induced strain was 0.26% at 70 kV/cm. d 33 coefficients over 500 pC/N were obtained for highly textured samples (f ∼ 90%) when driven at high electric fields. Under these conditions, the materials show considerable hysteresis in the strain - field response, even after poling. Berlincourt piezoelectric coefficients for the same samples gave d33 of 200 pC/N.

Original languageEnglish (US)
Pages (from-to)217-226
Number of pages10
JournalJournal of Electroceramics
Volume11
Issue number3
DOIs
StatePublished - Dec 1 2003

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Mechanics of Materials
  • Electrical and Electronic Engineering
  • Materials Chemistry

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