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