Exciton optical absorption in asymmetric ZnO/ZnMgO double quantum wells with mixed phases

Han Zhi-Qiang, Song Li-Ying, Zan Yu-Hai, Ban Shi-Liang^†

The schematic diagram of a Zn_{1 − xl}Mg_xlO/ZnO/Zn_{1 − xc}Mg_xcO/ZnO/Zn_{1 − xr}Mg_xrO ADQW.