Mainly (38816328390&_mathId=si1.gif&_user=111111111&_pii=S0925838816328390&_rdoc=1&_issn=09258388&md5=1a10fe68cf3220cc6b452710644caaff">38816328390-si1.gif"> 01) oriented β-Ga2O3 thin films have been grown on graphene/Al2O3 stack by L-MBE.
A vertical sandwich structure of graphene/β-Ga2O3 thin films/graphene as a potential solar-blind photodetector is formed.
The high performance of the photodetector is obtained due to the existence of Schottky barriers.