[S5] S5 New Aspect of Materials Science Based on Advanced Nanostructure Analyses(2)

1:55 PM - 2:10 PM JST(4:55 AM - 5:10 AM UTC)

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

*YANG Chuchu¹, Feng Bin¹, Tochigi Eita¹, Wei Jiake¹, Shibata Naoya^1,2, Ikuhara Yuichi^1,2 (1. Univ. of Tokyo、2. JFCC)

Keywords:

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.