The phosphor 1, wherein {HEAD ~ q} is in {TAIL ~ a range} from about 0.2 to about 1, x is in a range from about 0.005 to about 0.2; y is in a range from about 0.005 to about 0.1; and z is in a range from about 0.4 to about 0.7 
is in
The phosphor 1 , wherein { HEAD ~ q } is in { TAIL ~ a range } from about 0.2 to about 1 , x is in a range from about 0.005 to about 0.2 ; y is in a range from about 0.005 to about 0.1 ; and z is in a range from about 0.4 to about 0.7
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH