Electronic states of the pristine and alkali-metal-intercalated monolayer graphite/Ni(111) systems

A. Nagashima, N. Tejima, C. Oshima

Research output: Contribution to journalArticle

221 Citations (Scopus)

Abstract

The electronic states of the pristine and alkali-metal-intercalated monolayer graphite (MG)/Ni(111) systems are investigated by using angle-resolved ultraviolet photoelectron spectroscopy and x-ray-photoelectron spectroscopy (XPS). The electronic structure of the MG is modified largely by hybridization of the π orbitals of the graphite layer with the d orbitals of the substrate. The deposition of alkali-metal atoms onto the graphite overlayer at room temperature results in the penetration of the adsorbates into the interface between the MG and the Ni(111) surface. This intercalation causes the change in the band structure of the system because of the dilation of the MG-Ni interlayer distance. The intercalation of the alkali-metal atoms also shows the broadening of the XPS peak of the C 1s core level of the MG.

Original languageEnglish
Pages (from-to)17487-17495
Number of pages9
JournalPhysical Review B
Volume50
Issue number23
DOIs
Publication statusPublished - 1994

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Alkali Metals
Graphite
Electronic states
Alkali metals
alkali metals
Monolayers
graphite
electronics
photoelectron spectroscopy
Intercalation
Photoelectron spectroscopy
intercalation
x ray spectroscopy
Ultraviolet photoelectron spectroscopy
X rays
orbitals
Atoms
Core levels
ultraviolet spectroscopy
Adsorbates

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Electronic states of the pristine and alkali-metal-intercalated monolayer graphite/Ni(111) systems. / Nagashima, A.; Tejima, N.; Oshima, C.

In: Physical Review B, Vol. 50, No. 23, 1994, p. 17487-17495.

Research output: Contribution to journalArticle

Nagashima, A. ; Tejima, N. ; Oshima, C. / Electronic states of the pristine and alkali-metal-intercalated monolayer graphite/Ni(111) systems. In: Physical Review B. 1994 ; Vol. 50, No. 23. pp. 17487-17495.
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