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中文摘要：
提出一个根据拉曼基频模及其倍频模的斯托克斯和反斯托克斯拉曼成分的不同共振行为来探测样品与激光共振的系统能级的方法.此方法被应用到不均匀单壁碳纳米管束样品中某一径向呼吸模频率为219波数的金属型碳纳米管.通过分析呼吸模及其倍频模和切向模的共振行为,获得了该碳纳米管的电子跃迁能量,并获得纳米管C-C最近邻重叠积分因子为2.80eV.此数值可以很好的解释单壁碳纳米管径向呼吸模的共振行为.
英文摘要：
The resonant Raman behavior of the radial breathing modes are very useful to analyze the electronic property of carbon nanotubes.We investigated the resonant behaviors of Stokes and anti-Stokes radial breathing mode and its overtone of a metallic nanotube,and show how to accurately determine the electronic transition energy of carbon nanotubes from radial breathing modes and their overtones.Based on the present results,the previously reported resonant Raman behavior of the radial breathing modes of SWNT bundles can be interpreted very well.
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