The change of emission spectra in Y _ 2 O _ 2 S : Sm ~ ( 3 + ) , Mg ~ ( 2 + ) , Ti ~ ( 4 + ) and Y _ 2 O _ 2 S : Tb ~ ( 3 + ), Mg ~ ( 2 + ), Ti ~ ( 4 + ) were studied though altering the concentration of activator.

  • 通过改变掺杂激活剂离子的含量,分析了合成样品Y_2O_2S:Sm~(3+),Mg~ (2+),Ti~ (4+ ) 和Y_2O_ 2S:Tb ~ ( 3+ ), Mg~ ( 2+ ), Ti~ ( 4+ ) 中发射光谱的变化.

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