Fig. 4

Total density of states of the interacted Si-based with various metal oxides including (ZnO, Al2O3, TiO2, Zn–TiO2 and ZnO–Al2O3).

Total density of states of the interacted Si-based with various metal oxides including (ZnO, Al2O3, TiO2, Zn–TiO2 and ZnO–Al2O3).