High ionic conductivity in polycrystalline tetragonal Y2O3-ZrO2
High ionic conductivity in polycrystalline tetragonal Y2O3-ZrO2
复制标题
多晶四方 Y2O3-ZrO2 具有高离子电导率
DOI：
10.1007/bf00726805
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发表时间：
1984
期刊：
影响因子：
--
通讯作者：
E. Butler
中科院分区：
文献类型：
--
作者：
N. Bonanos;R. Słotwiński;B. Steele;E. Butler
在以前的研究中发现，含有1.4mol%Y/sub2/o/sub3/的四方氧化锆多晶的电导率略低于部分稳定氧化锆(Y-PSZ)和完全稳定氧化锆(Y-FSZ)的电导率。因为这些结果是从仅在一个交流进行的测量中获得的。频率，不知道它们受晶界或电极极化的影响程度有多大。颗粒内部、晶界和电极的电阻率可以用复平面分析来解决，这需要在一定的频率范围内进行测量。在这封信中，我们报道了两个TZP样品的研究结果，并将它们的分辨电阻率与Y掺杂PSZ和FSZ的结果进行了比较。
In a previous study the conductivity of TZP (tetragonal zirconia polycrystals) containing 1.4 mol% Y/sub 2/O/sub 3/ was found to be slightly lower than that of Y-PSZ (partially stabilized zirconia) and Y-FSZ (fully stabilized zirconia). As these results were obtained from measurements conducted at only one a.c. frequency, is not known to what extent they were affected by grain boundary or electrode polarization. The grain interior, grain boundary and electrode resistivities may be resolved using complex plain analysis, which requires measurements over a range of frequencies. In this letter we report the results of such a study of two samples of TZP and compare their resolved resistivities with those obtained for yttria doped PSZ and FSZ.