Enhanced electromechanical properties and phase transition temperatures in [001] textured Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 ternary ceramics

Yunfei Chang, Jie Wu, Yuan Sun, Shantao Zhang, Xiaohui Wang, Bin Yang, Gary L. Messing, Wenwu Cao

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[001] oriented relaxor based ternary Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 (PIN-PMN-PT) ceramics were fabricated by templated grain growth. The effects of BaTiO3 template amount on the [001] orientation degree, microstructure, and resulting changes in dielectric, piezoelectric, and ferroelectric properties of PIN-PMN-PT were investigated. A high [001] texture fraction of 93% was achieved in the PIN-PMN-PT ceramics at 5 vol. % BaTiO3 template. Giant electromechanical properties (d33=1555 pC/N, d33=824 pC/N, and kp=0.81) and high ferroelectric properties (Ec=8.3kV/cm and Pr=31μC/cm2) were obtained from those highly textured ceramics, which are much superior to those of randomly oriented counterpart. Furthermore, the textured ternary ceramics exhibited remarkably improved phase transition temperatures (Tr-t=120°C and Tc=203°C) compared with previously reported binary PMN-PT textured ceramics. The domain structure was characterized by piezoelectric force microscopy, and domain contribution to the enhanced piezoelectric response in the textured PIN-PMN-PT ceramics was analyzed. The high-quality textured ternary ceramics are very promising for new-generation electromechanical devices with high performance and wide temperature usage range.

Original languageEnglish (US)
Article number082902
JournalApplied Physics Letters
Issue number8
StatePublished - Aug 24 2015


All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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