The Preparation of Ba(Sn_(0.1)Ti_(0.9))O_3 Ceramics via a Solid State Reaction Method

摘要

The optimum condition for the preparation of barium stannate titanate [Ba(Sn_(0.1)Ti_(0.9))O_3;;BST10] ceramics by solid state reaction method were studied. BST10 were calcined between 600 and 1200 deg C for 4 h and sintering temperatures ranged between 1250 and 1450 deg C for 2 h. It was found that a high purity of perovskite powders was obtained at a calcination temperature of 1200 deg C. The average particle size and average grain size increased from 0.41 to 0.80 mu m and 0.60 to 2.25 mu m by increasing the calcined and sintered temperatures. The highest density and dielectric constant were 5.51 g/cm~3 and 529 obtained from the ceramic sintered at 1350 deg C of sintering temperature.