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首页> 外文期刊>Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy >Yb3+ as an origin of the strong anti-Stokes luminescence in NIR FT-Raman spectra of some lanthanide sesquioxides
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Yb3+ as an origin of the strong anti-Stokes luminescence in NIR FT-Raman spectra of some lanthanide sesquioxides

机译:Yb3 +是一些镧系元素倍半氧化物在NIR FT-Raman光谱中强反斯托克斯发光的起源

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摘要

Strong anti-Stokes bands observed in Fr-Raman spectra of Y2O3, Gd2O3 and Lu2O3 are explained by NIR luminescence of Yb3+ impurities present in sesquioxides after the excitation with the 1064 nm line of an Nd:YAG laser. Samples of Y2O3:Yb, Ga2O3:Yb, CeO2:Yb, Gd2O3:Yb and Lu2O3:Yb were prepared by solution combustion synthesis procedure using urea. All materials were investigated by FT-Raman and FT-NIR spectroscopy and characterized by X-ray powder diffraction. (c) 2005 Elsevier B.V. All rights reserved.
机译:用Nd:YAG激光的1064 nm线激发后,倍半氧化物中存在的Yb3 +杂质的NIR发光解释了Y2O3,Gd2O3和Lu2O3的Fr-拉曼光谱中观察到的强反斯托克斯谱带。通过尿素的固溶燃烧合成方法制备了Y2O3:Yb,Ga2O3:Yb,CeO2:Yb,Gd2O3:Yb和Lu2O3:Yb样品。所有材料均通过FT-拉曼光谱和FT-NIR光谱进行了研究,并通过X射线粉末衍射进行了表征。 (c)2005 Elsevier B.V.保留所有权利。

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