Figure 7.

The ZnO/(111)STO interface. Schematic top views (a, c) and distribution of O atoms bonded to Ti atoms (b, d) of the ZnO/(111)STO interface, in which (a, b) are on as-received STO while (c, d) are on etched STO. Only the O atoms and Ti atoms closest to the interface are shown in (a, c).