| Na_5Eu(WO_4)_4,Na_5Eu(MoO_4)_4和NaEu(MoO_4)_2的振动光谱和Eu~(3+)的~5D_1和~5D_2荧光发射的猝灭 |
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| 引用本文： | 郭常新,李碧琳. Na_5Eu(WO_4)_4,Na_5Eu(MoO_4)_4和NaEu(MoO_4)_2的振动光谱和Eu~(3+)的~5D_1和~5D_2荧光发射的猝灭[J]. 光谱学与光谱分析, 1992, 0(4) |
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| 作者姓名： | 郭常新 李碧琳 |
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| 作者单位： | 中国科学技术大学物理系，中国科技大学结构分析开放研究实验室 230026 合肥，230026 合肥 |
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| 摘 要： | 测量了高稀土浓度化学计量基质发光材料Na_5Eu(WO_4)_4,Na_5Eu(MoO_4)_4和NaEu(MoO_4)_2的拉曼和红外光谱。用位置群分析法分析了它们的品格振动模式的对称性分类,并参照有关白钨矿结构材料的结果,对它们的实验振动模确定了归属。这些材料的高能振动模来源于(WO_4)~(2-)或(MoO_4)~(2-)的内拉伸振动,由二个或三个这样的高能声子产生的无辐射弛豫猝灭了Eu~(3+)的~5D_1和~5D_2发射。
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| 关 键 词： | 振动光谱 Eu~(3+)荧光 Na_5Eu(WO_4)_4 Na_5Eu(MoO_4)_4 NaEu(MoO_4)_2 |
VIBRATIONAL SPECTRA OF Na_3Eu (WO_4)_4, Na_5Eu (MoO_4)_4 AND NaEu(MoO_4)_2 AND THE QUENCHING OF FLUORESCENT EMISSIONS OF ~5D_1 AND ~5D_2 IN Eu~(3+) IONS |
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| GUO Changxin and LI Bilin. VIBRATIONAL SPECTRA OF Na_3Eu (WO_4)_4, Na_5Eu (MoO_4)_4 AND NaEu(MoO_4)_2 AND THE QUENCHING OF FLUORESCENT EMISSIONS OF ~5D_1 AND ~5D_2 IN Eu~(3+) IONS[J]. Spectroscopy and Spectral Analysis, 1992, 0(4) |
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| Authors: | GUO Changxin and LI Bilin |
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| Affiliation: | GUO Changxin and LI Bilin~* Department of Physics,University of Science and Technology of China,Academia Sinica 230026 Hefei * Structure Research Laboratory,University of Science and Technology of China,230026 Hefei |
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| Abstract: | |
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| Keywords: | Vibrational spectrum Eu~(3+) fluorescence Na_5Eu(WO_4)_4 Na_5Eu(MoO_4)_4 NaEu(MoO_4)_2 |
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