CPC C09K 11/0883 (2013.01) [C01B 21/0826 (2013.01); C09K 11/77348 (2021.01); H01L 33/502 (2013.01); C01P 2006/60 (2013.01)] | 20 Claims |
1. A luminescent composition of matter characterized by the formula:
AE1−xLi3−2yAl1+2y−zSizO4−4y−zN4y+z:Eux;
AE=Ca,Sr,Ba, or a combination thereof;
0<x<0.04;
0.4<y<0.6; and
0<z<0.05,
the luminescent composition of matter having a tetragonal crystal structure.
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