Electronic structure of carbon nanohorns near the Fermi level
- Cite this article as:
- Kolesnikov, D.V. & Osipov, V.A. Jetp Lett. (2004) 79: 532. doi:10.1134/1.1787100
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The effect of pentagonal defects on the electronic structure at the tip of carbon nanohorns is investigated within the continuum gauge field-theory model. It is found that the existence of a localized electron state at the Fermi level (a true zero-mode state) results in enhanced charge density near the tip. Using a self-consistent perturbation scheme, the eigenfunctions and the local density of states near the pentagonal defects are numerically calculated.