Electrical Properties of PSZT Doped with Mn and Ce Elements

Xuejie Wang; Hui Tian; Fei Huang; Min Luo; De Yi Zheng

doi:10.4028/www.scientific.net/AMM.433-435.2125

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 433-435Electrical Properties of PSZT Doped with Mn and Ce...

Electrical Properties of PSZT Doped with Mn and Ce Elements

Abstract:

Piezoelectric materials can convert between electric and stress and has been applied widely in industrial field. Lead strontium zirconate titanate (PSZT) ceramic, as one kind of piezoelectric material, shows good piezoelectric properties and has been used in making resonators, sensors etc. For further improving its piezoelectric properties, various elements have been doped into PSZT. In this paper, two kinds of oxides, MnO₂ and CeO₂, are doped into PSZT. The electrical properties of the doped PSZT samples are tested and the microstructures of samples are observed as well. Results show that, after doping 0.1wt% MnO₂ and 0.1wt% CeO₂, the electrical properties are enhanced to: d₃₃=569pC/N, tgδ=0.94%, kp=0.632, ε=2882. It can also be found from SEM results that, as increasing the doping amount of MnO₂, the grain size of samples increases, and by doping CeO₂, results show reverse effect.

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Periodical:

Applied Mechanics and Materials (Volumes 433-435)

Pages:

2125-2128

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.433-435.2125

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Online since:

October 2013

Authors:

Xuejie Wang, Hui Tian, Fei Huang, Min Luo, De Yi Zheng

Keywords:

Dope Cerium, Dope Manganese, Lead Strontium Zirconate Titanate, PSZT

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