Rectifying characteristics and solar-blind photoresponse in β-Ga2O3/ZnO heterojunctions |
(a) Schematic diagram of constructed β-Ga2O3/ZnO heterojunction, (b) XRD patterns of c-plane Al2O3 substrate, ZnO/Al2O3, and β-Ga2O3/ZnO/Al2O3 samples, respectively. |