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A novel process termed low-temperature combustion-synthesis (LCS) of Ba(NO3)2-TiO2-C6H8O7·H2O system was investigated at the initial temperature of 600℃ and ultrafine BaTiO3 powders with a particle size of 200-350 nm were prepared. It was found that the molar ratio of NO3-/citric acid and the homogeneity of combustion have remarkable effect on the characteristics of the powder. The re- action mechanism of LCS BaTiO3 powders was proposed on the basis of thermodynamic analysis.
A novel process termed low-temperature combustion-synthesis (LCS) of Ba (NO3) 2-TiO2-C6H8O7 · H2O system was investigated at the initial temperature of 600 ℃ and ultrafine BaTiO3 powders with a particle size of 200-350 nm were prepared . It was found that the molar ratio of NO3- / citric acid and the homogeneity of combustion of remarkable effect on the characteristics of the powder. The re- action mechanism of LCS BaTiO3 powders was proposed on the basis of thermodynamic analysis.