Scanning tunneling microscopy of C60 on graphite

Hongbin Yu, Junjue Yan, Yanfang Li, W. S. Yang, Zhennan Gu, Yongqing Wu

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


Scanning tunneling microscopy investigation shows that C60 molecules adsorbed on graphite tend to form clusters of different sizes, which often further aggregate to form massive stacks. Occasionally, the molecules can form quasi-close-packed monolayer structures in small areas. From these areas, with low bias voltages and high tunnel currents we have obtained STM images of C60 molecules, which have the highest resolution and contain the richest structural features, in comparison with those C60 images obtained in previous works. The success of obtaining those low-bias images indicates that those molecules had electronic states around EF. This fact together with the fact that the C60 molecules imaged in the high resolution images were not rotating imply that the graphite substrate may have strong interaction with C60 molecules. We believe that those atomic-scale features are closely related to the intramolecular structure of C60, even though to interpret them in terms of the molecular structure needs further investigation.

Original languageEnglish (US)
Pages (from-to)116-121
Number of pages6
JournalSurface Science
Issue number1-2
StatePublished - Apr 20 1993
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry


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