Abstract Multicomponent borosilicate glasses containing 0.5-5.0 wt. % of Sm2O3 ions were synthesized by melting at high temperature (∼1500oC) in air and investigated by means of the steady-state luminescence and luminescence decay technique. Luminescence spectra analysis reveals obvious shift in spectral bands position of the Sm3+/Sm2+ excitation/emission maxima as well as changes in the spectral bands shape with wavelength. It was found that the luminescence decay curves are approximated by a bi-exponential function even for low concentrations of samarium. Moreover, the evolution of the luminescence decay behavior with registration emission wavelength was clearly observed. Existence of the distinguishable Sm3+/Sm2+ local sites in glass matrix studied could explain these phenomena.

中文翻译：

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原始和 β 辐照 Sm 掺杂硼硅酸盐玻璃的光谱性质和发光衰减行为

摘要 含 0.5-5.0 wt. % Sm2O3 离子是通过在空气中高温（~1500oC）熔化合成的，并通过稳态发光和发光衰减技术进行研究。发光光谱分析揭示了Sm3+/Sm2+激发/发射极大值的光谱带位置明显偏移，以及光谱带形状随波长的变化。发现即使对于低浓度的钐，发光衰减曲线也由双指数函数近似。此外，可以清楚地观察到发光衰减行为随注册发射波长的演变。所研究的玻璃基质中存在可区分的 Sm3+/Sm2+ 局部位点可以解释这些现象。