Raman active modes in carbon peapods

H. Chadli, A. Rahmani, K. Sbai and J.L. Sauvajol

Physica A: Statistical Mechanics and its Applications, 2005, vol. 358, issue 1, 226-236

Abstract: The nonresonant Raman spectra of infinite peapod were calculated in the framework of bond-polarization theory by using either direct diagonalisation of dynamical matrix or the spectral moments method. The effect of C60-tube interaction on the mode frequencies both of the peas and the pod has been calculated using the Lennard-Jones, potential showing that the lowest frequency mode region is more affected than the higher one. The tube chirality's and diameter effects on Raman spectra were studied. Also, we show that filling factors of C60 molecules inside some single-walled carbon nanotubes (SWCNT) may induce a splitting of the radial breathing like mode (RBLM) into two components. Comparison with experimental results is reported.

Keywords: Nanopeapod; Fullerene; Raman spectroscopy; Nanotube; Spectral moment method; Ab initio (search for similar items in EconPapers)
Date: 2005
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:358:y:2005:i:1:p:226-236

DOI: 10.1016/j.physa.2005.06.025

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