A Study on the Preparation of Nano-Crystalline Barium Titanate Powder by a Sol-Gel Method
In this work, high purity BaTiO3 (BT) nano-powders by a sol-gel process was prepared with Ba(NO3)2 and Ti(C4H9O)4 materials in order to acquire uniform size grains. The effects of the crystallinity, microstructure of BT nano-powders calcined at different temperatures and dielectric properties of the ceramics were investigated by XRD, SEM and impedance analyzer, respectively. Scanning electron microscopy and X-ray diffraction investigation revealed cubic plates and crystallite size. The results revealed that crystallite size and calcination temperature of BT and influence on the dielectric constant.
Chunli BAI, Sishen XIE, Xing ZHU
J. Azadmanjiri et al., "A Study on the Preparation of Nano-Crystalline Barium Titanate Powder by a Sol-Gel Method", Solid State Phenomena, Vols. 121-123, pp. 53-56, 2007