(Y2O3,CaO)复合掺杂ZrO2材料的交流复阻抗研究

功能材料, 2001, 32(3): 282-284.

1.中国科学院,化工冶金研究所,

2.清华大学,材料科学与工程系,

3.清华大学,材料科学与工程系,

4.清华大学,材料科学与工程系,

AC complex impedance study of zirconia doped with yttria and calcia

借助交流复阻抗技术对(1-0.08y-0.12x-ZrO2-0.08yY2O3-0.12xCaO(x+y=1,x:0～1)系统在523～973K内的导电行为进行了研究.发现随着CaO含量增加,该系统的晶粒电导活化能的增加,而晶界电导活化能则呈现先降后升的趋势.本文对上述现象进行了初步分析.

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