Change in the electronic states of graphite overlayers depending on thickness

A. Nagashima*, H. Itoh, T. Ichinokawa, C. Oshima, S. Otani

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

66 Citations (Scopus)


Electronic states of graphite overlayers formed on the TaC(111) surface have been investigated with the use of scanning tunneling microscopy and photoelectron spectroscopy. The graphite film grows on the substrate layer by layer. The thickness of the overlayer has been adjusted precisely to be either one or two monolayers. The physical properties of the monolayer graphite film are modified by chemical bonding at the interface. This interfacial bonding becomes weak upon the formation of the second layer of graphite, which makes the properties of the double-layer graphite film similar to those of bulk graphite.

Original languageEnglish
Pages (from-to)4756-4763
Number of pages8
JournalPhysical Review B
Issue number7
Publication statusPublished - 1994

ASJC Scopus subject areas

  • Condensed Matter Physics


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