Scanning tunneling spectroscopy of graphite and intercalates

Annabella Selloni, C. D. Chen, E. Tosatti

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Using the same method of our previous calculations for graphite, we discuss Scanning Tunneling Spectroscopy of LiC6chosen as the simplest prototype donor graphite intercalate. Most of the spectral features can be qualitatively interpreted by a rigid band shift of ∼ 2eV over clean graphite. However a few exceptions occur, the most noticeable being a split π* state rather different from graphite. The corrugation ξ(V) is in general smaller than in graphite, in particular ξ(0) falls from ∼1-1.5 Å (graphite) to ∼0.2-0.4 Å (LiC6). The corrugation of LiC6falls rapidly to zero with increasing voltage, due to tunneling into the smooth empty interlayer state.

Original languageEnglish (US)
Pages (from-to)297-300
Number of pages4
JournalPhysica Scripta
Volume38
Issue number2
DOIs
StatePublished - Aug 1 1988
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Mathematical Physics
  • Condensed Matter Physics

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