High Dielectric and Piezoelectric Properties Observed in Annealed Pb_0.88Sr_0.12Zr_0.54Ti_0.44Sb_0.02O₃ Ceramics

Abstract

The dielectric, ferroelectric, and piezoelectric properties of ceramics from the Pb_0.88Sr_0.12 Zr_0.54Ti_0.44Sb_0.02O₃ system were investigated as a function of annealing time after being prepared via the solid-state method. Following the annealing process, a shift in the ferroelectric to paraelectric transition temperature (T_m) was observed. In addition, a high relative permittivity >24300 at T_m was recorded for the 64 h annealed sample which was 52% higher than that of the as-sintered samples. The increased annealing time produced an enhancement in the ferroelectric properties and a high piezoelectric coefficient (d₃₃) of 670 pC/N was also observed for the 64 h annealed sample.

Keywords:

• Dielectric properties
• lead zirconate titanate
• post sinter annealing

Acknowledgments

This work was supported by The Thailand Research Fund (TRF), Faculty of Science Chiang Mai University and Faculty of Engineering, Rajamangala University of Technology Lanna (RMUTL), The authors would like to thank Prof. Dr. Tawee Tunkasiri for his help in many facilities.