Figure 1
From: Fabrication of GaN nano-towers based self-powered UV photodetector

(a–e) A schematic growth diagram showing the growth of GaN NTs on Si (111) substrate with sandwitched AlN buffer layer in between.
From: Fabrication of GaN nano-towers based self-powered UV photodetector
(a–e) A schematic growth diagram showing the growth of GaN NTs on Si (111) substrate with sandwitched AlN buffer layer in between.