講演情報

[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.