Raman study of metallic carbon nanotubes at elevated pressure

D. Christofilos, J. Arvanitidis, C. Tzampazis, K. Papagelis, T. Takenobu, Y. Iwasa, H. Kataura, C. Lioutas, S. Ves, G. A. Kourouklis

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Raman spectroscopy has been employed in the study of the high pressure response of metallic single-(SWCNTs) and double-wall carbon nanotubes (DWCNTs). Besides a variety of pressure induced changes, such as the deformation of SWCNTs and the DWCNT outer tubes, as well as the quasi-isolation of the inner tubes, a narrowing of the characteristic Breit-Wigner-Fano Raman peak is also observed. As the width and asymmetry of this peak reflects the coupling of the vibrational mode to an electronic continuum, its pressure induced narrowing can be ascribed to a decoupling process, possibly connected to the enhanced tube-tube interaction and the deformation of the tubes at elevated pressures.

Original languageEnglish
Pages (from-to)1075-1079
Number of pages5
JournalDiamond and Related Materials
Volume15
Issue number4-8
DOIs
Publication statusPublished - 2006 Apr
Externally publishedYes

    Fingerprint

Keywords

  • nanotechnology
  • nanotubes
  • optical properties
  • phonons

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

Christofilos, D., Arvanitidis, J., Tzampazis, C., Papagelis, K., Takenobu, T., Iwasa, Y., Kataura, H., Lioutas, C., Ves, S., & Kourouklis, G. A. (2006). Raman study of metallic carbon nanotubes at elevated pressure. Diamond and Related Materials, 15(4-8), 1075-1079. https://doi.org/10.1016/j.diamond.2005.11.027