掺杂Pr3+离子Li6Y(BO3)3在x射线、电子束和紫外激发下的发光特性

PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference Pub Date : 2019-12-06 DOI:10.1063/1.5134271

S. Kiselev, V. Pustovarov

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引用次数: 2

摘要

本文报道了掺镨钇三硼酸锂Li6Y(BO3)3:Pr3+(1%)的光谱性质。应用了光谱法的复合体。研究了x射线和阴极束激发下近红外和可见光-紫外发射光谱以及3.5 ~ 6.0 eV区域的光致发光激发光谱。对于Pr3+掺杂的三硼酸盐，检测到具有纳秒衰变动力学(τ≈16 ns)的构型间4f15d→4f2辐射跃迁。此外，还分析了构型内4f2→4f2跃迁和缺陷相关的可见光和近红外发光。测量了热释光，确定了载流子陷阱的参数。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Luminescence of Li6Y(BO3)3 doped with Pr3+ ions under x-ray, electron beam and ultraviolet excitation

This paper reports the spectroscopic properties of praseodymium-doped lithium yttrium triple borates, Li6Y(BO3)3:Pr3+(1%). The complex of spectroscopic methods was applied. Emission upon X-ray and cathode beam excitation in the near IR and VIS-UV ranges as well as photoluminescence excitation spectra in region of 3.5 – 6.0 eV were studied. For this Pr3+- doped triple borates, the interconfigurational 4f15d→4f2 radiation transitions with nanosecond decay kinetics (τ ≈ 16 ns) were detected. Besides both the intraconfigurational 4f2 → 4f2 transitions and defect-related luminescence in visible and near IR regions were analyzed. Thermoluminescence glow was measured and parameters of charge carriers traps were determined.

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PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference

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