| 摘要 |
Phosphor from the class of the thiometallates, preferably of the thiogallates, the thiometallate being made up so as to correspond to the formula (AS).w(B2S3), where A is at least one divalent cation selected from the group consisting of Mg, Ca, Sr, and where B is at least one trivalent cation selected from the group consisting of Al, Ga, Y, where the factor w may lie either in the range 0.8>w>0.98 or in the range 1.02>w>1.2.
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