http://www.cnr.it/ontology/cnr/individuo/prodotto/ID240477

Electronic structure of carbon nanotubes studied by photoelectron spectromicroscopy (Articolo in rivista)

Type

Label

Electronic structure of carbon nanotubes studied by photoelectron spectromicroscopy (Articolo in rivista) (literal)

Anno

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Alternative label

Suzuki, S (Suzuki, S); Watanabe, Y (Watanabe, Y); Ogino, T (Ogino, T); Heun, S (Heun, S); Gregoratti, L (Gregoratti, L); Barinov, A (Barinov, A); Kaulich, B (Kaulich, B); Kiskinova, M (Kiskinova, M); Zhu, W (Zhu, W); Bower, C (Bower, C); Zhou, O (Zhou, O) (2002)
Electronic structure of carbon nanotubes studied by photoelectron spectromicroscopy
in Physical review. B, Condensed matter and materials physics
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

Suzuki, S (Suzuki, S); Watanabe, Y (Watanabe, Y); Ogino, T (Ogino, T); Heun, S (Heun, S); Gregoratti, L (Gregoratti, L); Barinov, A (Barinov, A); Kaulich, B (Kaulich, B); Kiskinova, M (Kiskinova, M); Zhu, W (Zhu, W); Bower, C (Bower, C); Zhou, O (Zhou, O) (literal)

Pagina inizio

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Rivista

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Note

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[ 1 ] Nippon Telegraph & Tel Publ Corp, Basic Res Labs, Kanagawa 2430198, Japan [ 2 ] Sincrotrone Trieste, I-34012 Trieste, Italy [ 3 ] Lucent Technol, Bell Labs, Murray Hill, NJ 07974 USA [ 4 ] Univ N Carolina, Dept Phys & Astron, Chapel Hill, NC 27599 USA [ 5 ] Univ N Carolina, Curriculum Appl & Mat Sci, Chapel Hill, NC 27599 USA (literal)

Titolo

Electronic structure of carbon nanotubes studied by photoelectron spectromicroscopy (literal)

Abstract

The electronic structure of multiwalled carbon nanotubes aligned perpendicularly on a Si substrate was studied by means of photoelectron spectromicroscopy. The valence band and the C 1s spectra, measured systematically from spatially selected regions along the tube axes, were the fingerprint for lateral variations in the electron density of states and in the band bending, respectively. It was found that the tips have a larger density of states near the Fermi level than the sidewalls, whereas band bending, which would explain such a spectral difference, was not observed. It is suggested that the different density of states near the Fermi level is due to a larger dangling bond density at the tips. (literal)

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