Nano Science and Technology Institute
Nanotech 2005 Vol. 2
Nanotech 2005 Vol. 2
Technical Proceedings of the 2005 NSTI Nanotechnology Conference and Trade Show, Volume 2
 
Chapter 1: Nano Particles and Molecules
 

Characterization of Nanocrystalline PZT Synthesized via a Hydrothermal Method

Authors:S. Harada and S. Dunn
Affilation:Cranfield University, UK
Pages:17 - 20
Keywords:PZT, nanoscale, hydrothermal
Abstract:Nanoscale lead zirconate titanate (PZT) has the potential to become a key component in a myriad of emerging future applications. A sound knowledge of the underlying physical and chemical processes involved in the formation and applications of these particles is clearly essential for the successful development of devices. This paper describes the progress made in characterising nanoscale PZT synthesised via a novel hydrothermal method. Low temperatures (¡Ü 200¡ãC) and high mineraliser (potassium hydroxide) concentrations were used to produce single-phase, perovskite PZT in a bomb-type reactor. Powder X-ray diffraction was used to analyse the crystalline structure. The PZT phase appeared after just 30 minutes of processing time at 140¡ãC. However, 2 hours of processing time at 160¡ãC was necessary to attain complete phase purity. Scanning electron microscopy was used to characterise the morphology of the PZT samples. The particles had a wide size distribution, from nanoscale agglomerates with irregular morphology, up to micron-sized cubes. It is believed that the differences in morphology can be attributed to two distinct formation stages.
Characterization of Nanocrystalline PZT Synthesized via a Hydrothermal MethodView PDF of paper
ISBN:0-9767985-1-4
Pages:808
Hardcopy:$109.95
 
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