中國有色金屬學(xué)報(英文版)
Transactions of Nonferrous Metals Society of China
| Vol. 8 No. 1 March 1998 |
PREPARATION OF HIGH-PURITY AND NANOMETER-SCALE BARIUM TITANATE POWDERS
Wang Kaiyi, Liao Bo, Liu Yexiang, Wei Qing, Qian Dong, Chen Xiaoyi and Lai Deyong
（Department of Chemistry,Central South University of Technology, Changsha 410083, P. R. China）
Abstract:By using H2TiO3 and Ba(NO3)2 as the raw materials, and (NH4)2CO3 as the precipitant, high purity(>99.7%) and superfine(<1μm) BaTiO3 powders were obtained by co-precipitation method. Then the nanometer-scale BaTiO3 powders were prepared with the mechanophysical solid effect equipment. The equipment of the present process is characterized by simplicity, convenience and low capital cost. Hence it is suitable for industrial production.
Key words: barium titanate powder co-precipitation mechanophysical solid effect high purity nanometer-scale
