| 钠纳米团簇的光吸收和体等离激元:实验结果 |
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| 引用本文： | 夏春雷.钠纳米团簇的光吸收和体等离激元:实验结果[J].中南民族大学学报(自然科学版),2011,30(2):54-60. |
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| 作者姓名： | 夏春雷 |
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| 作者单位： | 美国纽约高盛集团,纽约10821 |
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| 摘 要： | 采用光倒空技术对Na20和Na92团簇进行了光吸收实验,覆盖了近紫外部分以及可见光范围(2.0～5.5 eV)；实验还研究了其它一些团簇在近紫外范围内的吸收截面,在可见光部分Na20的实验数据与现有的数据非常吻合.除了表面等离激元在可见光区域很强的吸收峰外,还观察到紫外区域明显的光吸收.对吸收截面光谱进行洛伦兹拟合揭示...
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| 关 键 词： | 纳米团簇 体等离激元 表面等离激元 光吸收 |
Photoabsorption of Nan Clusters and Volume Plasmon: Experimental Results |
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| Xia Chunlei.Photoabsorption of Nan Clusters and Volume Plasmon: Experimental Results[J].Journal of South-Central Univ for,2011,30(2):54-60. |
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| Authors: | Xia Chunlei |
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| Institution: | Xia Chunlei(American GoldmanSachs Group,New York 10821,USA) |
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| Abstract: | This study has carried out some experiments on the photoabsorption of Na20 and Na92 covering the near UV part as well as visible range(2.0 ~ 5.5 eV) by employing the photodepletion technique.The absorption cross sections for clusters of some other sizes in the near UV range have also been studied.The experimental data for Na20 in the visible part agree with existing data very well.In addition to the strong surface plasmon absorption peaks in the visible,we observed appreciable photoabsorption in the UV regi... |
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| Keywords: | nanocluster volume plasmon surface plasmon photoabsorption |
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