采用溶胶凝胶-自燃烧法合成了Ce0.8Y0.18Fe0.02O1.9纳米粉体,通过热重、X射线衍射、扫描电镜、透射电镜和交流阻抗谱等方法对试样进行研究.研究结果表明,采用溶胶凝胶-自燃烧法可直接合成纯相的具有立方萤石结构的固溶体Ce0.8Y0.18Fe0.02O1.9;合成粉体的平均粒径为10 nm～ 20 nm,具有高的烧结活性,在1400℃的烧结温度下,陶瓷样品的相对密度可达到97％;Ce0.8Y0.18 Fe0.02O1.9电解质的离子导电性能良好,在600℃和800℃测试温度下,其电导率分别达到12.38 mS/cm和46.81 mS/cm.
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