Resonance Raman Spectra of Carbon Nanotubes by Cross-Polarized Light

A. Jorio, M. A. Pimenta, A. G. Souza Filho, Ge. G. Samsonidze, A. K. Swan, M. S. Ünlü, B. B. Goldberg, R. Saito, G. Dresselhaus, and M. S. Dresselhaus

Phys. Rev. Lett. 90, 107403 – Published 14 March 2003

Abstract

Resonance Raman studies on single wall carbon nanotubes (SWNTs) show that resonance with cross polarized light, i.e., with the $E_{μ, μ \pm 1}$ van Hove singularities in the joint density of states needs to be taken into account when analyzing the Raman and optical absorption spectra from isolated SWNTs. This study is performed by analyzing the polarization, laser energy, and diameter dependence of two Raman features, the tangential modes ( $G$ band) and a second-order mode ( $G^{'}$ band), at the isolated SWNT level.

Received 10 August 2002

DOI:https://doi.org/10.1103/PhysRevLett.90.107403

Authors & Affiliations

A. Jorio^1,6, M. A. Pimenta¹, A. G. Souza Filho^2,6, Ge. G. Samsonidze⁷, A. K. Swan³, M. S. Ünlü³, B. B. Goldberg^3,4, R. Saito⁵, G. Dresselhaus⁸, and M. S. Dresselhaus^6,7

¹Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte, MG, 30123-970 Brazil
²Departamento de Física, Universidade Federal do Ceará, Fortaleza, CE, 60455-760 Brazil
³Electrical and Computer Engineering Department, Boston University, Boston, Massachusetts 02215
⁴Department of Physics, Boston University, Boston, Massachusetts 02215
⁵Department of Physics, Tohoku University and CREST JST, Sendai 980, Japan
⁶Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139-4307
⁷Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139-4307
⁸Francis Bitter Magnet Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139-4307

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Issue

Vol. 90, Iss. 10 — 14 March 2003

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