Co-segregation mechanism of Ca/Si at Σ13 grain boundary in α-Al<sub>2</sub>O<sub>3</sub>

Presentation information

公募シンポジウム講演

[S1] S1 New Materials Science On Nanoscale Structures and Functions of Crystal Defect Cores, II (2)

Fri. Sep 17, 2021 1:10 PM - 5:05 PM Rm. A (ZoomRm.A)

Chair:Tatuya YOKOI(Nagoya University), Ryo Ishikawa(Tokyo University),NAKAMURA Atsutomo(Osaka University)

1:50 PM - 2:05 PM

*Toshihiro FUTAZUKA¹, Ryo ISHIKAWA^1,2, Naoya SHIBATA^1,3, Yuichi IKUHARA^1,3 (1. The University of Tokyo, 2. JST-PRESTO, 3. JFCC)

Keywords:第一原理計算、結晶粒界、アルミナ、セラミックス、粒界偏析

原子分解能走査透過型電子顕微鏡および密度汎関数理論計算を用い，アルミナのΣ13粒界におけるCa/Si共偏析構造を解析した．

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