Electronic structure of lithium graphite |
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Authors: | GK Wertheim PTThM Van Attekum S Basu |
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Institution: | Bell Laboratories, Murray Hill, NJ 07974, U.S.A. |
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Abstract: | X-ray photoemission spectra of vacuum cleaved LiC6, prepared from highly oriented pyrolytic graphite, provide a direct measure of the filling of the graphite π bands by electrons from Li. The resulting Fermi energy shift is in agreement with recent band structure calculations and indicates near unity charge transfer from Li. Core level spectra exhibit shifts compatible with the expected charge transger and line shapes showing strong asymmetries resulting from the metallic character of this compound. |
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