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Published online by Cambridge University Press: 15 February 2011
Using a continuous-flow reactor, barium titanate (BaTiO3) nanoparticles have been successfully synthesized at temperatures ranging from 150 to 380°C and 16 MPa. Ba-Ti alkoxide solutions were used as precursors and water as reagent. The influence of synthesis parameters on the powder characteristics was investigated. Results showed that the purity, crystallinity and stoichiometry of the as-synthesized BaTiO3 powder depend mainly on the reactor temperature, quantity of water injected into the reactor and the Ba:Ti molar ratio of alkoxide solutions.