A 3D nucleation GaN layer is grown on {HEAD ~ the epitaxial nitride layer} by HVPE under {TAIL ~ a substantially 3D growth mode} 
A 3D nucleation GaN layer is grown on { HEAD ~ the epitaxial nitride layer } by HVPE under { TAIL ~ a substantially 3D growth mode }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL