Phys. Rev. Lett. 98, 147402 (2007) [4 pages]

Dielectric Response of Aligned Semiconducting Single-Wall Nanotubes

Abstract

References

Citing Articles (23)

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J. A. Fagan^1,*, J. R. Simpson¹, B. J. Landi², L. J. Richter¹, I. Mandelbaum¹, V. Bajpai¹, D. L. Ho¹, R. Raffaelle², A. R. Hight Walker¹, B. J. Bauer¹, and E. K. Hobbie^1,†
¹National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA
²NanoPower Research Laboratories, Rochester Institute of Technology, Rochester, New York 14623, USA

Received 25 October 2006; published 6 April 2007

We report measurements of the full intrinsic optical anisotropy of isolated single-wall carbon nanotubes (SWNTs). By combining absorption spectroscopy with transmission ellipsometry and polarization-dependent resonant Raman scattering, we obtain the real and imaginary parts of the SWNT permittivity from aligned semiconducting SWNTs dispersed in stretched polymer films. Our results are in agreement with theoretical predictions, highlighting the limited polarizability of excitons in a quasi-1D system.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.98.147402

DOI:

10.1103/PhysRevLett.98.147402

PACS:

78.67.Ch, 77.22.−d, 78.20.Ci

^*Email address: jfagan@nist.gov

^†Email address: erik.hobbie@nist.gov

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Phys. Rev. Lett. 98, 147402 (2007) [4 pages]

Dielectric Response of Aligned Semiconducting Single-Wall Nanotubes