Fig. 12From: 2D Semiconductor Nanomaterials and Heterostructures: Controlled Synthesis and Functional Applicationsa Schematic illustration of squeezing of liquid metal galinstan between SiO2 substrate and b following post-ammonolysis treatment for phase transform of Ga2O3 to GaN film. c The High resolution AFM image of the surface of GaN film. d The HRTEM image of GaN film and e the band gap of measurement of GaN film. Reprinted with permission from [160]Back to article page