Fig. 6: InN QDs on GaN NWs at varying growth times.
From: Metalorganic chemical vapor deposition of InN quantum dots and nanostructures

a SEM images of side (top) view with 500 nm scale bar and top (bottom) view with 250 nm scale bar. Plots of InN QD parameters versus growth time: (b) density per wire, (c) size, and (d) InN volume on each nanowire. Reprinted from Bi et al., J. Appl. Phys. 123, 164302 (2018), with the permission of AIP Publishing53