Fast grain boundary oxygen ion diffusion in the α-phase of Bi₂O₃

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• 作者：Richard J. Chater^a ; ^{r.chater@imperial.ac.uk} ; Andrea Cavallaro^a ; Ryan D. Bayliss^b ; Stuart N. Cook^c ; Bryan D. Esser^d ; David W. McComb^d ; John A. Kilner^a ; ^e
• 关键词：Bismuth oxide ; α-Phase ; Fast oxygen migration ; Grain boundary ; Extended defects
• 刊名：Solid State Ionics
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：299
• 期：Complete
• 页码：89-92
• 全文大小：990 K
• 卷排序：299

文摘

Secondary oxygen migration paths in the α-phase of pure Bi2O3 are visualised. Tracer oxygen-18 with SIMS mapping analysis in an ion microscope Grain boundary oxygen-diffusivity in α-Bi2O3 is similar to bulk YSZ & GDC. Microstructure manipulation potential for enhanced oxygen ion conduction