High strain, 〈001〉 textured 0.675Pb(Mg 1/3Nb 2/3)O 3-0.325PbTiO 3 ceramics: Templated grain growth and piezoelectric properties

Seongtae Kwon, Edward M. Sabolsky, Gary Lynn Messing, Susan E. Trolier-McKinstry

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115 Scopus citations


Lead magnesium niobate-lead titanate, 0.675Pb(Mg 1/3Nb 2/3)O 3-0.325PbTiO 3 (PMN-32.5PT) ceramics were textured (grainoriented) in the 〈100〉-crystallographic direction by the templated grain growth process. The textured PMN-32.5PT ceramics were produced by orienting {001}-SrTiO 3 (ST) platelets (∼10 μm in diameter and ∼2-μm thickness) in a submicron PMN-32.5PT matrix. The templated growth of 〈 001〉-oriented PMN-32.5PT grains on the ST platelets resulted in textured ceramics with ∼70% Lotgering factor and >98% theoretical density. Unlike most lead-based ceramics, excess PbO was not needed for sintering or grain growth. Based on unipolar stain-field measurements at 0.2 Hz, the textured samples displayed >0.3% strain at 50 kV/cm. Low-field d 33-coefficients of >1600 pC/N (<5 kV/cm) were measured directly from unipolar measurements. The low drive field d 33-piezoelectric coefficient of the highly textured samples is two times greater than polycrystalline PMN-32.5PT.

Original languageEnglish (US)
Pages (from-to)312-317
Number of pages6
JournalJournal of the American Ceramic Society
Issue number2
StatePublished - Dec 1 2005

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry


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