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A high performance vertical solar-blind ultraviolet photodetector based on β-Ga2O3 thin films sandwiched between two graphene sheets has been fabricated by laser molecular beam epitaxy. The photodetector exhibits obvious rectifying characteristics and excellent solar-blind UV photoresponse. The fast rising and decay time of our detector are 0.96 s and 0.81 s under 254 nm illumination. The ratio of...
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