[S4] S4.機能コアの材料科学 III(1)

[S4.8] STEM-EELSによるAl₂O₃粒界のフォノン計測

*厳 靖園¹、馮 斌¹、柴田 直哉^1,3、高 鹏²、幾原 雄一^1,3 (1. 東大、2. 北京大、3. JFCC)

キーワード：phonon measurement、Al₂O₃ grain boundary、STEM-EELS

The vibrational spectra of a series of Al2O3 GBs were measured and analyzed. Interficial modes and isolated vibrational modes related with the change of bond length were found in the GBs.