Chiang Mai Journal of Science

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Lead titanate fine powders comprising of a single tetragonal phase and well characterized particles were successfully synthesized at an exceptionally low temperature of 100^oC. The important role of  the ultrasonication in reducing the thermodynamic barrier of the hydrothermal reaction, and the slow rate of  hydrothermal reaction at 100^oC were underlined. The synthesized particles were revealed to be tetragonal in shape, mostly submicrometers in size, and generally present as large aggregates. The layer-by-layer model was also proposed as the particle growth mechanism.

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