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Research Article Open access CC BY 3.0

Numerical Simulation Studies on Piezoelectric Properties of Lead Zirconium Titanate

N. Z. Elsayed

Physical Science International Journal · pp. 980–987 · Published 2 Jun 2014

10.9734/PSIJ/2014/10723

Abstract

Structural properties of the compounds were examined using an X-ray diffraction (XRD) technique to confirm the formation of phase at different temperature. The electrical current response for equivalent circuit of PZT-5A, resonant frequencies, antiresonant frequencies and mechanical quality factor were studied by numerical simulation and compared with experimental results. The dielectric properties of PZT-5A ceramics in the temperature range 50 -200ºC were measured. The effect of grain size of the PZT-5A on the dielectric constant and dielectric loss were investigated. As the grain size increased, the maximum dielectric constant increased. The dielectric study with frequency at different temperature in the frequency range 1 to 5 MHz shows that dielectric constant decreases with increasing frequency. Loss factor does not vary with frequency but it becomes independent of higher frequency range.  

PZT dielectric loss quality factor electric impedance grain size

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