Preparation of Bi4Ti3O12 powders in the presence of molten salt containing LiCl
Preparation of Bi4Ti3O12 powders in the presence of molten salt containing LiCl
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DOI：
10.1111/j.1151-2916.1983.tb10099.x
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发表时间：
1983-08
影响因子：
3.9
通讯作者：
Toshio Kimura;T. Kanazawa;Takashi Yamaguchi
中科院分区：
文献类型：
--
作者：
Toshio Kimura;T. Kanazawa;Takashi Yamaguchi
本文研究了Bi_2O_3和TiO_2在LiCl-KCl熔融体系中的反应，着重研究了反应机理和Bi_4Ti_3O_（12）颗粒的尺寸。氧化物与LiCl反应形成中间化合物，其在延长的加热下转变为Bi 4 Ti 3 O 12。氯化钾抑制了氧化物与LiCl之间的反应，促进了中间化合物向Bi 4 Ti 3 O 12的转变。在助熔剂中制备的Bi 4 Ti 3 O 12颗粒呈片状，与制备条件无关，但其尺寸取决于反应温度和时间，LiCl与KCl的比例，以及助熔剂的量。
The reaction between Bi2O3 and TiO2 in molten LiCl-KCl was examined with special emphasis on the reaction mechanism and the size of Bi4Ti3O12 particles. The oxides reacted with LiCl to form an intermediate compound, which changed into Bi4Ti3O12 on extended heating. Potassium chloride retarded the reaction between the oxides and LiCl and promoted the change from the intermediate compound to Bi4Ti3O12. Bi4Ti3O12 particles prepared in the flux were platelike, irrespective of the preparation conditions, but their size depended on reaction temperature and time, the ratio of LiCl to KCl, and the amount of flux.