Fig. 1From: Understanding the Growth Mechanism of GaN Epitaxial Layers on Mechanically Exfoliated Graphitea Raman spectra of the untreated graphite (black line) and treated graphite (red line). b, c 2 × 2 μm2 AFM images of the untreated graphite and treated graphite, respectively. d, e FE-SEM images of nucleation islands grown on untreated graphite and treated graphite, respectivelyBack to article page