本文报道了一种较低温度下合成单一相Bi12SiO20粉体的新方法.以Bi2O3和SiO2为原料,KCl-K2CO3为熔剂,采用熔盐法于635℃合成了Bi12SiO20粉体.XRD分析表明该粉体为单一相Bi12SiO20,SEM分析显示冷却速率对合成Bi12SiO20粉体的尺寸及形貌有重要影响；此外,合成粉体的尺寸随着盐含量的增加而增大,且粉体团聚现象明显减弱.
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