Alignment characterization of single-wall carbon nanotubes by Raman scattering

被引：9

作者：

Liu, PJ ^{[1
]}

Liu, LY ^{[1
]}

Zhang, YF ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Res Inst Micro Nanometer Sci & Technol, Key Lab Thin Film & Microfabricat, Minist Educ, Shanghai 200030, Peoples R China

来源：

PHYSICS LETTERS A | 2003年 / 313卷 / 04期

基金：

中国国家自然科学基金;

关键词：

SWNT; Raman scattering; Raman-active modes; polarizability tensor;

D O I：

10.1016/S0375-9601(03)00764-3

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A novel method for identifying the Raman modes of single-wall carbon nanotubes (SWNT) based on the symmetry of the vibration modes has been studied. The Raman intensity of each vibration mode varies with polarization direction, and the relationship can be expressed as analytical functions. This method avoids troublesome numerical calculation and easily gives clear relations between Raman intensity and polarization direction. In this way, one can distinguish each Raman-active mode of SWNT through the polarized Raman spectrum. (C) 2003 Elsevier B.V. All rights reserved.

引用

收藏

页码：302 / 306

页数：5

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