| 标题 |
  Synthesis of SrTiO3 by the Calcination of SrCO3 and TiO2 Mixtures Intensively Ground by Means of High Energy Milling 高能研磨强化研磨的SrCO3和TiO2混合物煅烧合成SrTiO3
相关领域
煅烧
材料科学
钙钛矿（结构）
微观结构
化学计量学
电瓷
烧结
粒度
化学工程
电阻率和电导率
矿物学
活化能
分析化学（期刊）
冶金
制作
物理化学
催化作用
化学
微加工
医学
替代医学
色谱法
生物化学
病理
工程类
电气工程
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| 网址 | |
| DOI | |
| 其它 | A SrTiO3 electroceramic with perovskite structure was produced by the calcination of a mixture of SrCO3 and TiO2 intensively grounded by high energy milling. For this purpose, raw materials were mixed in stoichiometric amounts in a planetary type mill; the obtained powder mixture was calcined for 2 h at temperatures between 800 and 1300°C. Samples resulting from the calcination were characterized by XRD, FTIR, SEM analysis and electrical measurements. From XRD, it was determined that the SrTiO3 formed presents the cubic structure of perovskite. The complete reaction for SrTiO3 compound formation occurs at 1200°C. Micrograph observations indicate the presence of a homogeneous microstructure with tiny grain size. The measured values of electrical resistivity were within the typical range of insulating materials. |
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