Electron transport in single wall carbon nanotube weak links in the Fabry-Perot regime

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dc.creatorJørgensen, H. I.
dc.creatorGrove-Rasmussen, K.
dc.creatorNovotný, T.
dc.creatorFlensberg, K.
dc.creatorLindelof, P. E.
dc.date2005-10-07
dc.date2006-03-16
dc.date.accessioned2026-07-07T06:44:12Z
dc.date.available2026-07-07T06:44:12Z
dc.descriptionWe fabricated reproducible high transparency superconducting contacts consisting of superconducting Ti/Al/Ti trilayers to gated single-walled carbon nanotubes (SWCNTs). The reported semiconducting SWCNT have normal state differential conductance up to $3e^2/h$ and exhibit clear Fabry-Perot interference patterns in the bias spectroscopy plot. We observed subharmonic gap structure in the differential conductance and a distinct peak in the conductance at zero bias which is interpreted as a manifestation of a supercurrent. The gate dependence of this supercurrent as well as the excess current are examined and compared to a coherent theory of superconducting point contacts with good agreement.
dc.description10 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0510200
dc.identifierhttp://arxiv.org/abs/cond-mat/0510200
dc.identifierPhys. Rev. Lett. 96, 207003 (2006)
dc.identifierdoi:10.1103/PhysRevLett.96.207003
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/102697
dc.subjectSuperconductivity
dc.titleElectron transport in single wall carbon nanotube weak links in the Fabry-Perot regime
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