Preparation of High-Purity Submicron Barium Titanate Powders
β Scribed by K. S. MAZDIYASNI; R. T. DOLLOFF; J. S. SMITH II
- Book ID
- 110812855
- Publisher
- John Wiley and Sons
- Year
- 1969
- Tongue
- English
- Weight
- 939 KB
- Volume
- 52
- Category
- Article
- ISSN
- 0002-7820
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Ultasonic spray pyrolysis (SP) has been investigated for the production of the barium strontium titanate (BST) powders from the polymeric precursors. The processing parameters, such as flux of aerosol and temperature profile inside the furnace, were optimized to obtain single phase BST. The powders
TiCl 4 or titanium isopropoxide reacted with citric acid to form a titanyl citrate precipitate. Barium strontium citrate solutions were then added to the titanyl citrate reaction to form gels. These gels were dried and calcined to (Ba,Sr)-TiO 3 powders. The gels and powders were characterized by DSC