Abstract

Abstract The partial p-like electron densities of states at potassium sites in the graphite intercalation compound KC8 has been investigated by means of soft x-ray emission spectroscopy. It is demonstrated that hybridization between the potassium and graphitic valence states occurs over the 0–10 eV binding energy region. The p-like charge at the intercalated potassium sites is equivalent to 0.6 electrons per potassium atom, i.e. double the value for elemental potassium.

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