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Intertube coupling in ropes of single-wall carbon nanotubes | | H. Stahl
; J. Appenzeller
; R. Martel
; Ph. Avouris
; B. Lengeler
; | | Date: |
27 Mar 2000 | | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | | Affiliation: | RWTH Aachen, Germany, IBM T.J.Watson Research Center, NY, USA | | Abstract: | We investigate the coupling between individual tubes in a rope of single-wall carbon nanotubes using four probe resistance measurements. By introducing defects through the controlled sputtering of the rope we generate a strong non-monotonic temperature dependence of the four terminal resistance. This behavior reflects the interplay between localization in the intentionally damaged tubes and coupling to undamaged tubes in the same rope. Using a simple model we obtain the coherence length and the coupling resistance. The coupling mechanism is argued to involve direct tunneling between tubes. | | Source: | arXiv, cond-mat/0003423 | | Other source: | [GID 1096047] pmid11102217 | | Services: | Forum | Review | PDF | Favorites | |
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