Resonant raman intensity of the radial breathing mode of single-walled carbon nanotubes within a nonorthogonal tight-binding model

被引：62

作者：

Popov, VN ^{[1
]}

Henrard, L ^{[1
]}

Lambin, P ^{[1
]}

机构：

[1] Fac Univ Notre Dame Paix, Lab Phys Solide, B-5000 Namur, Belgium

来源：

NANO LETTERS | 2004年 / 4卷 / 09期

关键词：

D O I：

10.1021/nl048895r

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The resonant Raman intensity of the radial breathing mode is calculated for 50 narrow semiconducting single-walled carbon nanotubes within a symmetry-adapted nonorthogonal tight-binding model. The matrix elements of the momentum and the deformation potential in the quantum-mechanical formula for the intensity are calculated explicitly. The results for the resonance Raman profiles can be used directly in the determination of the diameter distribution of the nanotubes in a sample. Three Raman spectra are simulated and compared to existing experimental data.

引用

页码：1795 / 1799

页数：5

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