Chirality-dependent G-band Raman intensity of carbon nanotubes

被引：109

作者：

Saito, R ^{[1
]}

Jorio, A

Hafner, JH

Lieber, CM

Hunter, M

McClure, T

Dresselhaus, G

Dresselhaus, MS

机构：

[1] Univ Electrocommun, Dept Elect Engn, Tokyo 1828585, Japan

[2] MIT, Dept Phys, Cambridge, MA 02139 USA

[3] Harvard Univ, Dept Chem & Chem Biol, Cambridge, MA 02138 USA

[4] MIT, Dept Earth Atmospher & Planetary Sci, Cambridge, MA 02139 USA

[5] MIT, Dept Mat Sci, Cambridge, MA 02139 USA

[6] MIT, Francis Bitter Natl Magnet Lab, Cambridge, MA 02139 USA

[7] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA

来源：

PHYSICAL REVIEW B | 2001年 / 64卷 / 08期

关键词：

D O I：

10.1103/PhysRevB.64.085312

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The chirality-dependent G-band Raman intensity of single wall carbon nanotubes is calculated using a nonresonant theory for the Raman tensor. We obtain six or three intense Raman modes, respectively, for chiral or achiral nanotubes, whose relative intensities depend on the chiral angle of the nanotube. The longitudinal and transverse optical phonon modes in two-dimensional graphite become, respectively, transverse and longitudinal optical phonon modes in a one-dimensional nanotube. Confocal micro-Raman measurements of individual single wall carbon nanotubes show chirality-dependent spectra of the G-band intensity, as predicted by this theory.

引用

页码：853121 / 853127

页数：7

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