摘要
以Nb2O5、NaOH和KOH为原料,采用微波水热法合成KxNa(1-x)NbO3粉体,研究了nKOH/nNaOH配比、合成温度对粉体形貌与成分的影响。结果表明:nKOH/nNaOH=5/1时,接近于准同型相界(MPB);KxNa(1-x)NbO3晶面间距随钾钠比的增大依次向左偏移。
Using Nb2O5, NaOH and KOH as raw materials, KxNa_（1-x）NbO3 powders were microwave-hydrothermal synthesized. The influences of nKOH/nNaOH and synthesized temperature on the morphology and composition of the powders were studied. The results show that the composition is closed to the phase boundary（MPB） when molar ratio of K＋/ Na＋ in solution precursor is 5 ： 1. The crystal plane spacing is shifted towards left with the increase of molar ratio of K＋/Na＋.
出处
《热加工工艺》
CSCD
北大核心
2012年第21期37-39,共3页
Hot Working Technology
基金
陕西省教育厅专项科研计划项目(11JK0840)
陕西省自然科学基础研究计划项目(2011JQ7011)
