Preparation of Ga2O3 thin film solar-blind photodetectors based on mixed-phase structure by pulsed laser deposition
Lu Y M, Li C, Chen X H, Han S, Cao P J, Jia F, Zeng Y X, Liu X K, Xu W Y, Liu W J, Zhu D L
       

UV–visible transmittance spectra of the Ga2O3 thin films grown at various oxygen pressures. The inset shows the plot of (αhv)2 versus hv used to estimate the bandgap.