2019 Fall Annual(165th) Meeting

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Koubo Symposium

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

Thu. Sep 12, 2019 9:00 AM - 5:55 PM Q (RoomNo.1 at 1st Flr. Faculty of Engineering, Build.No.1)

座長:吉田 英弘(東京大学)、豊浦 和明(京都大学)、吉矢 真人(大阪大学)、阿部 真之(大阪大学)、石川 亮(東京大学)、丹羽 健(名古屋大学)

1:55 PM - 2:10 PM

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

*YANG Chuchu1, Feng Bin1, Tochigi Eita1, Wei Jiake1, Shibata Naoya1,2, Ikuhara Yuichi1,2 (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.

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