NaLaF4: Pr3+玻璃陶瓷的快速发光研究

2021 IEEE 12th International Conference on Electronics and Information Technologies (ELIT) Pub Date : 2021-05-19 DOI:10.1109/ELIT53502.2021.9501063

E. Elsts, M. Kemere, S. Omelkov, G. Krieke, Anatoli I. Popov

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摘要

研究了$16\mathbf{Na}2\mathbf{O}-9\mathbf{NaF}-5\mathbf{LaF}_{3}-7\mathbf{Al}_{2}\mathbf{O}_{3}-63\mathbf{SiO}_{2}$(摩尔%)在3% $\mathbf{PrF}_{3}$(以下简称$\mathbf{NaLaF}_{4}:\mathbf{Pr}_{9}^{3+}$)活化后的阴极发光(CL)发射和光致发光(PL)发射和激发光谱。特别是在120 keV电子束激发后，用时间分辨率测量了CL光谱。在406 nm处观察到快速衰减时间为$\tau_{1}=1.77$ ns和$\tau_{2}=52.97$ ns的Pr3+离子发射特征，这与其他发光材料中$\mathbf{Pr}^{3+}$离子的发射带很好地对应

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Fast Luminescence Studies of NaLaF4: Pr3+ Glass Ceramics

Cathodoluminescence (CL) emission and photoluminescence (PL) emission and excitation spectra of $16\mathbf{Na}2\mathbf{O}-9\mathbf{NaF}-5\mathbf{LaF}_{3}-7\mathbf{Al}_{2}\mathbf{O}_{3}-63\mathbf{SiO}_{2}$ (mol%) activated with 3% $\mathbf{PrF}_{3}$, hereinafter referred to as $\mathbf{NaLaF}_{4}:\mathbf{Pr}_{9}^{3+}$ have been investigated. In particular, CL spectra were measured with time resolution after excitation with a 120 keV electron beam. The characteristic Pr3+ ion emission with fast decay times $\tau_{1}=1.77$ ns and $\tau_{2}=52.97$ ns at peak intensity at 406 nm were observed, which correspond well to the emission bands of the $\mathbf{Pr}^{3+}$ ion in other luminescent materials

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2021 IEEE 12th International Conference on Electronics and Information Technologies (ELIT)

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