Electronic states of monolayer graphite formed on TiC(111) surface

Ayato Nagashima, Kenji Nuka, Hiroshi Itoh, Takeo Ichinokawa, Chuhei Oshima, Shigeki Otani

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Abstract

Electronic states of a monolayer graphite formed on TiC(111) surface have been investigated by means of XPS, UPS, and work-function measurement. The chemical shift of C1s peaks in XPS spectra has inhibited a large electron transfer from the substrate to the monolayer graphite. On the other hand, the band structure of the graphite overlayer has altered from that of bulk graphite. The work-function measurement has suggested an electron redistribution in the graphite layer. These results indicate that the electronic states of the graphite monolayer are modified not by the charge transfer, but mainly by the orbital hybridization between the graphite monolayer and the substrate, which differs from graphite intercalation compounds.

Original languageEnglish
Pages (from-to)93-98
Number of pages6
JournalSurface Science
Volume291
Issue number1-2
DOIs
Publication statusPublished - 1993 Jul 1

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces

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  • Cite this

    Nagashima, A., Nuka, K., Itoh, H., Ichinokawa, T., Oshima, C., & Otani, S. (1993). Electronic states of monolayer graphite formed on TiC(111) surface. Surface Science, 291(1-2), 93-98. https://doi.org/10.1016/0039-6028(93)91480-D