Electronic properties of mechanically induced kinks in single-walled carbon nanotubes
- 4 June 2001
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 78 (23) , 3693-3695
- https://doi.org/10.1063/1.1377316
Abstract
We have used an atomic-force microscope tip to mechanically buckle single-walled carbon nanotubes. The resistance of the induced defects ranged from 10 to 100 kΩ and varied with the local Fermi level, as determined by scanned-gate microscopy. By forming two closely spaced defects on metallic nanotubes, we defined quantum dots less than 100 nm in length. These devices exhibited single-electron charging behavior at temperatures up to ∼165 K.Keywords
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