The process 1 in which {HEAD ~ the active material} has {TAIL ~ composition} within ±10 mole percent of In0.53 Ga0.47 As 
has
The process 1 in which { HEAD ~ the active material } has { TAIL ~ composition } within ±10 mole percent of In0.53 Ga0.47 As
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH