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