Preparation and characterization of Pb(Zr0.52Ti0.48)O3 ultrafine powders by a sol-gel combined with combustion process

Li Jiankang; Yao Xi

doi:10.1007/BF02841275

Journal of Wuhan University of Technology Materials Science Edition ›› 2005, Vol. 20 ›› Issue (4) : 26 -28. DOI: 10.1007/BF02841275

Article

Preparation and characterization of Pb(Zr_0.52Ti_0.48)O₃ ultrafine powders by a sol-gel combined with combustion process

Li Jiankang ¹^,^a
, Yao Xi ²

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Abstract

A simple and rapid process for synthesizing lead zirconate titanate, Pb(Zr_0.52Ti_0.48)O₃ (PZT), ferroelectric powders was developed. This process, combining the sol-gel and combustion process, offers several advantages over conventional methods, including rapid solution synthesis, use of commercially available materials, lower synthesis temperature and ease of obtaining ultrafine powders. The precursor solution for synthesizing powders was prepared from lead nitrute, zirconium nitrate, titanium oxynitrate, citric acid and deionized water. The precursor was investigated by DSC-TG, and the PZT powders were investigated by powder-XRD, IR spectra and TEM. XRD analysis shows that the powders posses a single-phase perovskite-type structure, no pyrochlore phase exists, and TEM image shows that the grain size of the powders is about 40nm.

Keywords

PZT / ultrafine powders / citric acid / combine of sol-gel and combustion

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Li Jiankang, Yao Xi. Preparation and characterization of Pb(Zr_0.52Ti_0.48)O₃ ultrafine powders by a sol-gel combined with combustion process. Journal of Wuhan University of Technology Materials Science Edition, 2005, 20(4): 26-28 DOI:10.1007/BF02841275

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