Atomic Resolution Ultrahigh Vacuum Scanning Tunneling Microscopy of Diamond (100) Epitaxial Films
Atomic images of epitaxial (100) diamond were obtained in ultrahigh vacuum (UHV) with a scanning tunneling microscope (STM). The dimer row spacing, inner dimer pair, and single atomic step height were measured to be 0.5 nm, 0.25 nm and 0.1 nm respectively. Different forms of amorphous carbon were also observed in UHV. Some forms appeared to be randomly oriented others appeared chain-like. A radial reconstruction 1.5 nm in diameter was found on a 20° slope to a group of (100) 2x1 reconstructions. Current vs voltage spectrum was obtained in UHV and showed the electronic characteristics of the film. The Raman spectrum of the diamond film showed sp2 and sp3 peaks.
KeywordsDiamond Film Epitaxial Film Scanning Tunneling Microscope Image Diamond Surface Chemical Vapor Deposition Diamond
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- 1.Harris Corporation, 100 Stierli Court Suite 106, Mount Arlington, NJ. 07856.Google Scholar
- 3.Burleigh Instruments, Inc., Burleigh Park, P.O. Box E, Fishers, NY 14453–0755.Google Scholar
- 8.A.F. Aviles, R. E. Stallcup, W. Rivera, and J. M. Perez, Scanning tunneling microscopy of chemical vapor deposition diamond film growth on highly-oriented-pyrolytic graphite and Si, This conference proceedings.Google Scholar
- 10.B. E. Williams, J T Glass, R. F. Davis, K. Kobashi and Y. Kawate, Electron Microscopy of diamond films grown by microwave PECVD, in “Extended abstracts, diamond-like materials synthesis”, Johnson, Badzian and Geis, eds., Material Research Society, Pittsburgh (1988).Google Scholar