Phonon Dispersion in Chiral Single Wall Carbon Nanotubes

Phonon Dispersion in Chiral Single Wall Carbon Nanotubes

The phonon dispersion of chiral single wall carbon nanotubes has been obtained from \(6\times 6\) dyanimic matrix. The present manuscript is the extension of G. D. Mahan and Gun Sang Jeon's work on armchair and zigzag nanotubes. [see P. R. B., {\bf 70}, 075405 (2004)]. We use spring and mass mo...

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Veröffentlicht in:arXiv.org 2006-09
Hauptverfasser: Mu, Weihua, Anthony Nickolas Vamivakas, Ou-Yang, Zhong-can
Format: Artikel
Sprache:eng
Schlagworte:
Carbon
Chirality
Dispersion
Nanotubes
Phonons
Single wall carbon nanotubes
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Zusammenfassung:The phonon dispersion of chiral single wall carbon nanotubes has been obtained from \(6\times 6\) dyanimic matrix. The present manuscript is the extension of G. D. Mahan and Gun Sang Jeon's work on armchair and zigzag nanotubes. [see P. R. B., {\bf 70}, 075405 (2004)]. We use spring and mass model with the proper phonon potential suggested by \cite{M2}. We can calculate the dispersion of single wall carbon nanotubes near \(\Gamma\) point with arbitrary chirality. The results are compatible with Mahan et. al's results for armchair and zigzag SWNTs.
ISSN:2331-8422