[S5] S5 先進ナノ構造解析に基づく材料科学の新展開II(2)

[S5.23] Segregation behaviors of multiple dopants in Al₂O₃ Σ7 grain boundary

*楊 楚楚¹、馮 斌¹、栃木 栄太¹、魏 家科¹、柴田 直哉^1,2、幾原 雄一^1,2 (1. Univ. of Tokyo、2. JFCC)

キーワード：dopants、segregation、grain boundary

In this study, the Ti-doped, Ca/Si co-doped and Ti/Ca/Si co-doped Al₂O₃ grain boundaries were characterized by using atom-resolved STEM and EDS, and their segregation behaviors were clarified.