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Nature of the constant factor in the relation between radial breathing mode frequency and tube diameter for single-wall carbon nanotubes

P. T. Araujo, I. O. Maciel, P. B. C. Pesce, M. A. Pimenta, S. K. Doorn, H. Qian, A. Hartschuh, M. Steiner, L. Grigorian, K. Hata, and A. Jorio
Phys. Rev. B 77, 241403(R) – Published 25 June 2008
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    Abstract

    Resonance Raman scattering is used to determine the radial breathing mode (RBM) frequency (ωRBM) dependence on tube diameter (dt) for single-wall carbon nanotubes (SWNTs). We establish experimentally the ωRBM=227.0/dt as the fundamental relation for pristine SWNTs. All the other RBM values found in the literature can be explained by an upshift in frequency due mostly to van der Waals interaction between SWNTs and environment.

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    • Received 9 May 2008

    DOI:https://doi.org/10.1103/PhysRevB.77.241403

    ©2008 American Physical Society

    Authors & Affiliations

    P. T. Araujo1, I. O. Maciel1, P. B. C. Pesce1, M. A. Pimenta1, S. K. Doorn2, H. Qian3, A. Hartschuh3, M. Steiner4, L. Grigorian5, K. Hata6, and A. Jorio1,7

    • 1Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 30123-970 Brazil
    • 2Chemistry Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
    • 3Departament Chemie und Biochemie and CeNS, Ludwig-Maxmilians-Universitaet Muenchen, Germany
    • 4IBM Research Division, T.J. Watson Research Center, Yorktown Heights, New York 10598, USA
    • 5YTC America Incorporated, Camarillo, California 93012, USA
    • 6Research Center for Advanced Carbon Materials, AIST, Tusukuba 305-8565, Japan
    • 7Divisão de Metrologia de Materiais, Instituto Nacional de Metrologia, Normalização e Qualidade Industrial (Inmetro), Duque de Caxias, Rio de Janeiro 25250-020, Brazil

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    Issue

    Vol. 77, Iss. 24 — 15 June 2008

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