采用冷冻干燥法合成了Y2O3,MgO共掺杂的ZrO2均匀超细粉.通过TG-DTA,XRD,TEM和粒度分布仪等检测手段对产品进行了表征.结果表明:Y2O3含量为2%,MgO含量为9%(摩尔分数)时,在550℃得到了全稳定立方相ZrO2,样品的均匀性较好,表面活性较高,粒径约为23.2 nm.
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