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报道了用化学共沉淀法制备掺杂 Ca、Ni、Nb、Mn钛酸铅超细陶瓷粉末的方法。制得的粉料化学式为 :Pb0 .75Ca0 .2 5[(Ni1 / 3 Nb2 / 3 ) 0 .0 8Ti0 .91 2 Mn0 .0 0 8] O3 ,粒径小于 0 .1μm,所有的掺杂元素均能定量掺入。
A method for preparing lead-doped ultra-fine ceramic powders of Ca, Ni, Nb and Mn by chemical coprecipitation method is reported. The prepared powder chemical formula is: Pb0 .75 Ca0 .2 5 [(Ni1 / 3 Nb2 / 3) 0 .0 8Ti0 .91 2 Mn0. 0 0 8] O3, particle size less than 0. 1μm, all the doping elements Can be quantitatively incorporated.