Abstract
The electronic densities of states of atomically resolved single-walled carbon nanotubes have been investigated using scanning tunneling microscopy. Peaks in the density of states due to the one-dimensional nanotube band structure have been characterized and compared with tight-binding calculations. In addition, tunneling spectroscopy measurements recorded along the axis of an atomically resolved nanotube were found to exhibit new, low-energy peaks in the density of states near the tube end. Calculations suggest that these features arise from the specific arrangement of carbon atoms that close the nanotube end.
| Original language | English |
|---|---|
| Pages (from-to) | 1225-1228 |
| Number of pages | 4 |
| Journal | Physical Review Letters |
| Volume | 82 |
| Issue number | 6 |
| Publication status | Published - Feb 8 1999 |
ASJC Scopus subject areas
- Physics and Astronomy(all)
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Kim, P., Odom, T. W., Huang, J. L., & Lieber, C. M. (1999). Electronic Density of States of Atomically Resolved Single-Walled Carbon Nanotubes: Van Hove Singularities and End States. Physical Review Letters, 82(6), 1225-1228.