An epitaxial nitride layer is deposited on {TAIL ~ a single crystal substrate} to form {HEAD ~ a nitride coated substrate} 
An epitaxial nitride layer is deposited on { TAIL ~ a single crystal substrate } to form { HEAD ~ a nitride coated substrate }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD