Superconducting tunneling spectroscopy of a carbon nanotube quantum dot

Travis Dirks, Yung Fu Chen, Norman O. Birge, Nadya Mason

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

We report results on superconducting tunneling spectroscopy of a carbon nanotube quantum dot. Using a three-probe technique that includes a superconducting tunnel probe, we map out changes in conductance due to band structure, excited states, and end-to-end bias. The superconducting probe allows us to observe enhanced spectroscopic features, such as robust signals of both elastic and inelastic cotunneling. We also see evidence of inelastic scattering processes inside the quantum dot.

Original languageEnglish
Article number192103
JournalApplied Physics Letters
Volume95
Issue number19
DOIs
StatePublished - 2009

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