Synthesis and Characterization of Sol–Gel Derived PZT Nano Powder

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Abstract:

Single phase nanocrystalline lead zirconate titanate (PZT) powder of composition Pb(Zr0.52Ti0.48)O3 has been prepared by sol–gel process by using lead acetate trihydrate, zirconium propoxide and titanium propoxide as lead, zirconium and titanium precursor materials respectively. XRD, FTIR and TGA/DTA techniques are used to characterize structural, vibrational and thermal changes involved during the formation of PZT nanocrystalline powder with tetragonal phase. XRD pattern exhibits the polycrystalline nature of the powder heat treated at 800 °C with preferential orientation of (110) plane. Simultaneous TGA/DTA studies of the gel powder show endothermic and exothermic peaks corresponding to weight loss at different temperatures and increase in weight between 750 °C and 800 °C which confirms the improvement in crystallization. IR transmittance spectra of the powders heat treated at 650 °C and 750 °C show the coexistence of rhombohedral and teragonal phases and above this temperature only teragonal phase exists.

Keywords: LEAD ZIRCONIUM TITANATE; NANO POWDER; SOL-GEL

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2009.1314

Publication date: November 1, 2009

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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