Study on Properties of NiO-Doping PMSZT Piezoelectric Ceramics Sintered at Low Temperature

Abstract:

The effects of NiO-doping on the microstructure and piezoelectric properties of PMSZT ceramics were investigated. The experimental results indicate that pure perovskite structure was obtained in the doping range. With the increasing of doping amounts, phases shift from tetragonal phase to rhombohedral phase. The mechanical quality factor (Q_m) , Dielectric constant (ε_r) , electromechanical coupling factor (K_p) and piezoelectric constant (d₃₃) increase with the increasing of doping amounts and then decrease, whereas, dielectric loss (tanδ) decrease and then increase. The ceramics with doping amount of 0.1wt.% sintered at 980 °C have the optim properties of Q_m=1345, ε_r=1853, K_p=0.62, d₃₃=375 and tanδ=0.21%。

• Periodical: Advanced Materials Research (Volume 487)
• Pages: 770-774
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.487.770
• Online since: March 2012
• Authors: Wei Ye Chen, Lan Zhu, Peng Yi Liu, Cai Ping Lin, Hao Jian Tu
• Keywords: Lead Antimony-Manganese Zirconate Titanate, Piezoelectric Ceramic (PZT), Piezoelectric Properties

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