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Cotunneling and one-dimensional localization in individual single-wall carbon nanotubes | | B. Gao
; D.C. Glattli
; B. Placais
; A. Bachtold
; | | Date: |
18 Jun 2006 | | Subject: | Materials Science; Mesoscopic Systems and Quantum Hall Effect | | Abstract: | We report on the temperature dependence of the intrinsic resistance of long individual disordered single-wall carbon nanotubes. The resistance grows dramatically as the temperature is reduced, and the functional form is consistent with an activated behavior. These results are described by Coulomb blockade along a series of quantum dots. We occasionally observe a kink in the activated behavior that reflects the change of the activation energy as the temperature range is changed. This is attributed to charge hopping events between non-adjacent quantum dots, which is possible through cotunneling processes. | | Source: | arXiv, cond-mat/0606473 | | Services: | Forum | Review | PDF | Favorites | |
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