Mapping the potential of graphite nanotubes with electron holography

Xiwei Lin*, Vinayak P. Dravid

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


The technique of transmission electron holography has been employed to investigate the nanoscale features of graphitic nanotubes (buckytubes) and their particulate derivatives. Reconstructed phase images of holograms offer a quantitative means to calculate the mean inner potential (MIP), thickness profiles, and three-dimensional morphology for multi-/single shell buckytubes, their "tips" and other enclosed structures. It is demonstrated that electron holography is also sensitive to the defect nature of termination and bending in buckytubes and their particulate derivatives. Phase sensitivity of about 0.1 rad is demonstrated for single-layer buckytube, which corresponds to change in phase due to two monolayers of carbon.

Original languageEnglish (US)
Pages (from-to)1014-1016
Number of pages3
JournalApplied Physics Letters
Issue number7
StatePublished - Aug 12 1996

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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