Preparation and Properties of PSZTM Ceramics with Different Methods

Abstract:

The PSZTM ceramics from Pb_0.94Sr_0.06(Zr_0.52Ti_0.48)O₃ doped with 0.1 mol% Mn were prepared by a solid state reaction and. Two different methods were used to calculate the amount of Mn-dopant into PSZT powder. One was calculated rely on B-site precursor represented by B method. The other was computed based on the amount of calcined PSZT called C method. This study was to investigate the effect of the two different calculating formulations of Mn doped PSZT ceramics by B and C methods on phase formation, microstructure, physical and electrical properties. The results were observed that phase identification showed the formation of perovskite structure in both cases. Besides, the mechanical quality factor (Q_m) of the PSZTM ceramics derived from B method was two times higher than those from C method. Nevertheless, the dielectric constant (K), piezoelectric coefficient (d₃₃) and planar coupling coefficient (k_p) of the PSZTM ceramics from B method were slightly lower than those of derived from C method. This could be drawn the conclusion that PSZTM with 0.1 mol% Mn prepared by B method can be used as hard-type piezoelectric material.

• Periodical: Key Engineering Materials (Volume 659)
• Pages: 132-137
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.659.132
• Online since: August 2015
• Authors: Arjin Boonruang*, Piyalak Ngernchuklin, Saengdoen Daungdaw, Nestchanok Yongpraderm, Chalermchai Jeerapan
• Keywords: Mechanical Quality Factor, Piezoelectric Coefficient, Planar Coupling Coefficient, Solid State Reaction

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