Scanning tunneling spectroscopy of suspended single-wall carbon nanotubes

B. J. LeRoy*, S. G. Lemay, J. Kong, C. Dekker

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

40 Citations (Scopus)

Abstract

Low-temperature scanning tunneling microscopy measurements were performed on single-wall carbon nanotubes that are freely suspended over a trench. On a Pt substrate with predefined trenches etched into it, the nanotubes were grown by chemical vapor deposition. Spatially resolved spectroscopy on the suspended portion of both metallic and semiconducting nanotubes was achieved. The results show that the spacing of the Coulomb blockade peaks changed with tip position reflecting a changing tip-tube capacitance.

Original languageEnglish
Pages (from-to)4280-4282
Number of pages3
JournalApplied physics letters
Volume84
Issue number21
DOIs
Publication statusPublished - 24 May 2004
Externally publishedYes

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