Investigation of dielectric and piezoelectric properties in Pb(Ni1/3Nb2/3)O3-PbHfO3-PbTi O3 ternary system

H. Tang, M. F. Zhang, S. J. Zhang, Y. J. Feng, F. Li, T. R. Shrout

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Abstract

The dielectric and piezoelectric properties were investigated in the (1-x)Pb(Hf1-yTiy)O3-xPb(Ni1/3Nb2/3)O3 (PNN-PHT, x=0.05-0.50, y=0.55-0.70) ternary system. The morphotropic phase boundary (MPB) was determined by X-ray powder diffraction analysis. Isothermal map of Curie temperature (TC) related to the compositions in the phase diagram was obtained. The optimum dielectric and piezoelectric properties were achieved in ceramics with the MPB compositions, with the maxima values being on the order of 6000 and 970pC/N, respectively. Rayleigh analysis was used to study the extrinsic contribution (domain wall motion) in PNN-PHT system, where the extrinsic contribution was found to be ~30% for composition 0.49PNN-0.51PHT(30/70), showing a high nonlinearity.

Original languageEnglish (US)
Pages (from-to)2491-2497
Number of pages7
JournalJournal of the European Ceramic Society
Volume33
Issue number13-14
DOIs
StatePublished - Nov 1 2013

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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