Anisotropy of the Raman spectra of nanographite ribbons -: art. no. 047403

被引：173

作者：

Cançado, LG

Pimenta, MA

Neves, BRA

Medeiros-Ribeiro, G

Enoki, T

Kobayashi, Y

Takai, K

Fukui, K

Dresselhaus, MS

Saito, R

Jorio, A

机构：

[1] Univ Fed Minas Gerais, Dept Fis, BR-30161 Belo Horizonte, MG, Brazil

[2] Lab Nacl Luz Sincrotron, Campinas, Brazil

[3] Tokyo Inst Technol, Dept Chem, Meguro Ku, Tokyo 1528551, Japan

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

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

[6] Tohoku Univ, Dept Phys, Aoba Ku, Sendai, Miyagi 9808578, Japan

[7] JST, CREST, Aoba Ku, Sendai, Miyagi 9808578, Japan

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 04期

基金：

日本学术振兴会;

关键词：

D O I：

10.1103/PhysRevLett.93.047403

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A polarized Raman study of nanographite ribbons on a highly oriented pyrolytic graphite substrate is reported. The Raman peak of the nanographite ribbons exhibits an intensity dependence on the light polarization direction relative to the nanographite ribbon axis. This result is due to the quantum confinement of the electrons in the 1D band structure of the nanographite ribbons, combined with the anisotropy of the light absorption in 2D graphite, in agreement with theoretical predictions.

引用

页码：047403 / 1

页数：4

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