Low-temperature synthesis and analysis of barium titanate nanoparticles with excess barium
โ Scribed by Jian Quan Qi; Li Sun; Yu Wang; Wan Ping Chen; Peng Du; You Guo Xu; Long Tu Li; Ce Wen Nan; Helen Lai Wah Chan
- Publisher
- Elsevier Science
- Year
- 2011
- Tongue
- English
- Weight
- 643 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0921-8831
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๐ SIMILAR VOLUMES
Nanosized tetragonal barium titanate has been directly prepared by low-temperature combustion synthesis process (LCS). According to thermochemical calculations of propellant chemistry theory, the optimum molar ratio of reactants was obtained with the Ba(NO ) -TiO(NO ) -citric acid-NH NO system. The
Barium titanate powder was processed at temperature 80 โข C by reacting TiO 2 sol in aqueous solutions that contained BaCl 2 and NaOH at atmospheric pressure. Well-crystallized (cubic phase), spherical barium titanate powder with average size of 35 nm was formed by this method at 80 โข C. As for sinte