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Angle-resolved ultraviolet photoemission study of potassium-graphite intercalation compound; C8K

Authors
Journal
Synthetic Metals
0379-6779
Publisher
Elsevier
Publication Date
Volume
12
Identifiers
DOI: 10.1016/0379-6779(85)90116-x
Disciplines
  • Physics

Abstract

Abstract Angle-resolved ultraviolet photoelectron spectroscopy (ARUPS) was carried out on the stage-1 potassium-graphite intercalation compound C 8K for the first time. Some valence π- and σ-bands have been identified experimentally in the ARUPS spectra as well as a high density of unoccupied states at about 6.0 eV above E F. The sharp peak at E F in UPS spectra, which has been ascribed to the potassium 4s state, was found to be largely of graphite origin. The experimental results were compared with some theoretical band calculations presented so far.

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