Preparation of PbZr0.90Ti0.10O3-Fe0.003 Nano Powder by Reflux Distillation Sol-Gel Method

A modified sol-gel process of reflux distillation(RDSG) is introduced.Studies of mechanism show that the formation of monomers is speeded up and the concentration of monomers is increased gradually by reflux distillation process.Gelation time is shortened to less than 30 min.And most of the solvent can be recycled with the following distillation drying process.Using RDSG method,(PbZr_(0.90)Ti_(0.10)O_3-Fe_(0.003)) nano powder was synthesized.Atomic force microscopy(AFM) tests show that (ingredients) in both sol and gel are well(dispersed.) The mean particle size of calcined powder is about(30 nm.)