In {TAIL ~ a method} for making a GaN article, {HEAD ~ an epitaxial nitride layer} is deposited on a single crystal substrate 
In
In { TAIL ~ a method } for making a GaN article , { HEAD ~ an epitaxial nitride layer } is deposited on a single crystal substrate
REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH