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Dielectric Response of Aligned Semiconducting Single-Wall Nanotubes

J. A. Fagan, J. R. Simpson, B. J. Landi, L. J. Richter, I. Mandelbaum, V. Bajpai, D. L. Ho, R. Raffaelle, A. R. Hight Walker, B. J. Bauer, E. K. Hobbie
2007 Physical Review Letters  

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We report measurements of the full intrinsic optical anisotropy of isolated single-wall carbon nanotubes (SWNTs). By combining absorption spectroscopy with transmission ellipsometry and polarizationdependent 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.
doi:10.1103/physrevlett.98.147402 pmid:17501312 fatcat:jsk72uelzvg3tabm4jen6poh3m
Citation

J. A. Fagan, J. R. Simpson, B. J. Landi, L. J. Richter, I. Mandelbaum, V. Bajpai, D. L. Ho, R. Raffaelle, A. R. Hight Walker, B. J. Bauer, E. K. Hobbie. "Dielectric Response of Aligned Semiconducting Single-Wall Nanotubes." Physical Review Letters 98.14 (2007)