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Nano/micro -powders of Nd3+-doped YPO4 and LuPO4 under structural and spectroscopic studies. An abnormal temporal behavior of f-f photoluminescence
Journal of Luminescence ( IF 3.3 ) Pub Date : 2021-02-18 , DOI: 10.1016/j.jlumin.2021.117997
J. Pawłów , K.A. Prokop , M. Guzik , Y. Guyot , G. Boulon , J. Cybińska

We report a detailed analysis of both structural characterization and high-resolution spectroscopic properties of Nd3+-doped YPO4 and LuPO4 in the form of nano/micro -powders. LuPO4, like YPO4 crystalizes in a zircon-type tetragonal system. Nd3+ ion in substitution of Lu3+ or Y3+ cations occupies the main symmetry site D2d and the presence of additional components in the spectra may indicate the presence of Nd3+ clusters, first Nd3+ pairs. For both types of compounds (with Lu3+ and Y3+ ion in the host lattice) the 4F3/2 excited level decay times recorded at 77 K have shown an abnormal temporal behavior of Nd3+ photoluminescence. This phenomenon is observed both for nano and micro-powdered samples.



中文翻译:

在结构和光谱研究中,Nd 3+掺杂的YPO 4和LuPO 4的纳米/微粉。ff光致发光的异常时间行为

我们报告了纳米/微粉形式的Nd 3+掺杂YPO 4和LuPO 4的结构表征和高分辨率光谱性质的详细分析。像YPO 4一样,LuPO 4在锆石型四方晶系中结晶。取代Lu 3+或Y 3+阳离子的Nd 3+离子占据主要对称位点D 2d,并且光谱中其他组分的存在可能表明存在Nd 3+簇,即第一个Nd 3+对。对于两种类型的化合物(具有Lu 3+和Y 3+在77 K处记录的4 F 3/2激发能级衰减时间显示Nd 3+光致发光的异常时间行为。在纳米和微粉样品中均观察到此现象。

更新日期:2021-04-24
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