氧气氛中金属-氧化物异质界面的原位离轴电子全息术
In situ off-axis electron holography of metal-oxide hetero-interfaces in oxygen atmosphere.
作者信息
Tavabi Amir Hossein, Yasenjiang Zulihuma, Tanji Takayoshi
机构信息
Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya, Japan.
出版信息
J Electron Microsc (Tokyo). 2011;60(5):307-14. doi: 10.1093/jmicro/dfr056. Epub 2011 Aug 26.
Off-axis electron holography has been extended to in situ observations in gas atmospheres. The Yttria-stabilized zirconia (YSZ)-Pt hetero-interface was characterized by electron holography at high temperature in a vacuum and in an oxygen atmosphere. Analysis of the phase shift profiles revealed high mobility of anions in the oxide in the vicinity of the interface in the oxygen atmosphere. This would compensate for any increase in the number of oxygen vacancies in YSZ through the metal interface.
离轴电子全息术已扩展到在气体环境中的原位观察。利用电子全息术对氧化钇稳定氧化锆（YSZ）-铂异质界面在真空和氧气气氛中的高温特性进行了表征。相移轮廓分析表明，在氧气气氛中，界面附近氧化物中的阴离子具有高迁移率。这将通过金属界面补偿YSZ中氧空位数量的任何增加。
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