| 摘要 |
The invention relates to compounds of the general formula (I) EA2-xEuxSiO4.aM2B4O7 (I) where EA stands for two or more elements selected from Ca, Sr, Zn and Ba, M stands for Li, Na or K, and a stands for a value from the range 0.01@a@0.08, and x stands for a value from the range 0.01@x@0.25. |
