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电子俘获材料CaS:Eu,Sm红外上转换光衰减特性的研究

Keywords: 电子俘获材料CaS:Eu,Sm红外上转换上转换光衰减特性发光光存储碱土金属硫化物稀土元素掺杂

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Abstract:

根据电子俘获机制,提出了CaS:Eu,Sm红外上转换的衰减模型,建立了速率方程并进了初步的求解,其解具有三级指数衰减的形式。从实验上测定了CaS:Eu,Sm在不同温度下的红外土转换光衰减特性,对实验结果进行了非线性拟合,拟合结果也具有三级指数衰减规律的形式。

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