T. Wanjun, C. Donghua
Dec 1, 2007
Citations
1
Influential Citations
15
Citations
Journal
International Journal of Applied Ceramic Technology
Abstract
Nanocrystalline strontium titanate (SrTiO 3 ) particles were prepared using a peroxide-based route. The reaction between hydrogen peroxide and β-titanic acid yielded a peroxytitanic solution. An amorphous precipitate containing strontium and titanium was formed when a solution of strontium nitrate was added at pH 9. The precipitate was filtered, washed, and calcined. The precipitate was characterized by thermogravimetry, infrared spectroscopy, and X-ray diffraction. Powder calcined at temperatures of about 750°C within 1 h showed a well-crystallized cubic SrTiO 3 perovskite phase. Applying this synthesis procedure for SrTiO 3 nanoparticles yields powders with a grain size of nearly 50 nm.