Journal of Materials Science

, Volume 42, Issue 10, pp 3544–3551 | Cite as

Microstructure and properties of lead-free (Bi1/2Na1/2)TiO3 based piezoelectric ceramics doped with different cations

  • Zhengbo Yu
  • Vladimir D. Krstic
  • Binu K. Mukherjee


Different cations doped lead-free piezoelectric (Bi1/2Na1/2)TiO3 ceramics with the general formula Na0.4995Bi0.4995Ba0.001Ti0.998M0.002O3 (M = Nb, Ta, and Sb) were fabricated. The effects of processing parameters and doping on phase content, microstructure, dielectric and piezoelectric properties of the materials were discussed. Experimental results show that Nb doped (Bi1/2Na1/2)TiO3 exhibits superior polarization performance over the existing lead-free ceramics with a d33 value of 122 pC/N obtained when poled at 60 kV/cm at room temperature. The best piezoelectric properties were achieved in (Bi1/2Na1/2)TiO3 doped with Ta having a measured d33 value of 164 pC/N for samples poled at 100 °C under the applied field of 50 kV/cm.


Loss Tangent BiFeO3 Piezoelectric Property High Dielectric Constant Poling Field 
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The financial support of NSERC is gratefully acknowledged.


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • Zhengbo Yu
    • 1
  • Vladimir D. Krstic
    • 1
  • Binu K. Mukherjee
    • 2
  1. 1.Centre for Manufacturing of Advanced Ceramics and NanomaterialsQueen’s UniversityKingstonCanada
  2. 2.Department of PhysicsRoyal Military College of CanadaKingstonCanada

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