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Y2O3稳定ZrO2材料的电导活化能
Authors
唐子龙
张中太
+4 more
李英
谢裕生
陈运法
龚江宏
Publication date
1 January 2002
Publisher
Abstract
在313-473K温度范围内测定了一种Y2O3稳定ZrO2材料(YSZ)的交流电导率谱,进而导出了材料的直流电导率并分析了其随温度的变化关系。研究发现:在低温下材料的电导尖化能随温度的升高而增大。这一实验现象与在高温下所观察到的活化能随温度升高而降低规律截然相反。通过分析材料中氧空位的解缔及迁移机制,对YSZ材料中电导活化能随温度的变化关系作出了一个合理的解释
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Last time updated on 11/04/2021