Figure 1

Dimension- and position-controlled growth of GaN microrod heterostructures. (a) Schematic illustration of GaN microrods growth on graphene films. (b) Graph of three-step growth method (c) SEM images grown at 980 °C, 1060 °C, and 1140 °C.
Dimension- and position-controlled growth of GaN microrod heterostructures. (a) Schematic illustration of GaN microrods growth on graphene films. (b) Graph of three-step growth method (c) SEM images grown at 980 °C, 1060 °C, and 1140 °C.