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首页> 外文期刊>Optical Materials >X-ray luminescence properties of LiLa1-xNdxP4O12 nanocrystals: Concentration and size effects
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X-ray luminescence properties of LiLa1-xNdxP4O12 nanocrystals: Concentration and size effects

机译：LiLa1-xNdxP4O12纳米晶体的X射线发光特性：浓度和尺寸效应

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摘要

X-ray luminescence properties of LiLa1-xNdxP4O12 nanocrystals were investigated for the first time. The influence of the Nd3+ concentration on the integral emission intensities in visible and near infrared emission region were investigated. It was found that emission from F-2(2)(5/2) is strongly affected by cross-relaxation process and its intensity decreases exponentially with Nd3+ amount, while emission from F-4(7/2) + S-4(3/2), F-4(5/2) + H-2(11/2), and F-4(3/2) states rises up sublinearly with Nd3+ concentration. The size effect on emission spectra under X-ray excitation was presented. (C) 2015 Elsevier B.V. All rights reserved.
机译：首次研究了LiLa1-xNdxP4O12纳米晶体的X射线发光特性。研究了Nd3 +浓度对可见光和近红外光发射区域积分发射强度的影响。研究发现，F-2（2）（5/2）的发射受到交叉弛豫过程的强烈影响，其强度随Nd3 +的增加呈指数下降，而F-4（7/2）+ S-4（ 3/2），F-4（5/2）+ H-2（11/2）和F-4（3/2）状态随Nd3 +浓度亚线性上升。给出了X射线激发下尺寸对发射光谱的影响。 （C）2015 Elsevier B.V.保留所有权利。

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