Finite-size effect on the Raman spectra of carbon nanotubes

被引：87

作者：

Saito, R ^{[1
]}

Takeya, T

Kimura, T

Dresselhaus, G

Dresselhaus, MS

机构：

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

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

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

来源：

PHYSICAL REVIEW B | 1999年 / 59卷 / 03期

关键词：

D O I：

10.1103/PhysRevB.59.2388

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Using nonresonant bond polarization theory, we have calculated the Raman intensity of a single-wall carbon nanotube of finite length. The calculations show that the Raman peaks in the intermediate frequency range (500- 1200 cm(-1)) have no intensity for infinite nanotubes, but do have some intensity for finite nanotubes. These intermediate frequency modes, which are sensitive to the nanotube length, correspond to vibrations along the nanotube axis. We also found an edge state of the breathing phonon mode at an open end of the carbon nanotube, which is Raman active. [S0163-1829(99)08603-8].

引用

页码：2388 / 2392

页数：5

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