Influence of different dopants on the piezoelectric properties of the Na1/2Bi1/2TiO3-BaTiO3 lead-free ceramics

Wei Zhao, Heping Zhou, Yongke Yan, Dan Liu, Shanshan Liu

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Abstract

Lead-free Na1/2Bi1/2TiO3-6BaTiO 3 (BNT-6BT) ceramics with different dopants were prepared by a conventional ceramic fabrication technique. The influence of doping CeO 2, La2O3, Nb2O5 and Co2O3 on the structure was studied, and the mechanism of soft and hard additives with A-site or B-site substitute changing the piezoelectric properties was discussed. It was found that the rhombohedral-tetragonal morphotropic phase boundary (MPB) of the Na 1/2Bi1/2TiO3-6BaTiO3 was not changed obviously.

Original languageEnglish (US)
Pages (from-to)105-108
Number of pages4
JournalKey Engineering Materials
Volume336-338 I
StatePublished - Mar 21 2007

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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