A bulk GaN layer is grown on the transitional layer by {TAIL ~ HVPE} under {HEAD ~ the substantially 2D growth mode} 
A bulk GaN layer is grown on the transitional layer by { TAIL ~ HVPE } under { HEAD ~ the substantially 2D growth mode }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD