Piezoelectric properties of 〈001〉 textured Pb(Mg1/3Nb2/3)O3-PbTiO3 ceramics

E. M. Sabolsky, A. R. James, S. Kwon, S. Trolier-McKinstry, G. L. Messing

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The piezoelectric properties of (1 - x) Pb(Mg1/3Nb2/3)O3-xPbTiO3 (x = 0.3-0.35), ceramics with a high degree of 〈001〉 fiber texture were investigated for possible actuator applications. Piezoelectric coefficients (d33) in excess of 1200 pC/N associated with strain levels up to >0.3% were observed in samples prepared by a reactive templated grain growth process. No excess PbO was used in the starting composition. A high degree of fiber texture was achieved using 〈001〉 oriented BaTiO3 template particles in a fine-grained precursor for the PMN-32PT matrix. High densities together with texture resulted in a significant increase in strain levels and d33 values compared to their polycrystalline counterparts. Peak dielectric constants on the order of 22 000 with losses of ∼2% and well-saturated hysteresis loops with a Pr∼27 μC/cm2 were recorded on the textured samples. These domain engineered, textured ceramics have tremendous potential for high-performance actuators.

Original languageEnglish (US)
Pages (from-to)2551-2553
Number of pages3
JournalApplied Physics Letters
Issue number17
StatePublished - Apr 23 2001

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)


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