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