图 4  Al₂O₃在无缺陷、存在O空位缺陷和Al空位缺陷时, 基于不同方向动量转移的电子非弹性平均自由程　(a) x方向; (b) y方向; (c) z方向

Fig. 4.  Inelastic mean free paths of electrons in Al₂O₃ in the ideal state, Al vacancy defect and O vacancy defect with momentum transfer in different direction: (a) x-direction; (b) y-direction; (c) z-direction.

图 5  Al₂O₃在无缺陷、O空位缺陷和Al空位缺陷情况下的弹性平均自由程

Fig. 5.  Elastic mean free paths of electrons in Al₂O₃ under conditions of ideal state, Al vacancy defect and O vacancy defect.