A photoluminescent material comprising a composition of halogen-substituted alkaline earth metal aluminate doped with at least one rare-earth element activator.
一种光致发光材料，其包含掺杂有至少一种稀土元素活化剂的卤素取代的碱土金属铝酸盐的组合物。
Beryllium: chemical element, lightest of the alkaline earth metals, chemical symbol be, atomic number 4.
铍：碱土金属中最轻的化学元素，化学符号Be，原子序数为4。
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