Interlayer states in graphite and in alkali-metal-graphite intercalation compounds

Abstract

The character of the first unoccupied band in the graphite intercalation compound ${\mathrm{LiC}}_6$ is examined. Based on a framework of interacting nonorthogonal states, an analysis of previous band-structure results shows that this band can be interpreted as a hybrid of Li $2s$ and graphite interlayer states.