Fig. 2: Structural and chemical description of 2D Ga2O3.
From: Printing ultrathin Quasi-2D Ga2O3 for fast yet highly responsive vertical photodetectors
a TEM and (b, c) EDS elemental mapping images of 2D Ga2O3 films. d HRTEM image of the Ga2O3 film, where the inset was the corresponding SAED pattern. e HRTEM cross-section image of a monolayer 2D Ga2O3 on the ITO substrate. f XPS spectrum of the Ga2O3 films. XPS spectra of the synthesized Ga2O3 films in Ga 3d and O 1s regions. g The Ga2O3 films’ absorption spectrum. The inset is the Tauc plot of the absorption curve.
