Figure 21. GaN nanowires on SiC/Si: (a) SEM images, (b) PL spectra of GaN structures grown on [98]

From

Review of GaN Nanostructured Based Devices

Ahmed M. Nahhas

American Journal of Nanomaterials. 2018, 6(1), 1-14 doi:10.12691/ajn-6-1-1