采用Ca(NO3)2·4H2O-P2O5-NH4F-乙醇体系,借助溶胶凝胶法在不同引氟量时制备了含氟羟基磷灰石(FHA, Ca10(PO4)6(OH)(2-x)Fx, x=0～2)纳米粉体,并利用XRD、IR和TEM对制备的粉体进行表征.结果表明:随引氟量的改变,FHA粉体的晶格常数、晶粒尺寸和显微结构等均呈现一定规律地变化.其中,晶格常数随着F引入量的增加逐渐减小,而晶粒尺寸却随之增大.
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