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Competition fix

The complex electronic properties of alkali-doped fullerides derive from the interplay between competing interactions. Fine control of the doping levels and thickness of fulleride films makes it possible to tune relevant parameters.

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Figure 1: Typical electron occupancies for the initial state (panel N) and final states with an added (N+1) or subtracted (N − 1) electron for the case of one electron per molecule (in K1C60) and a large Ueff.
Figure 2: Image charges describing the substrate screening of the effective repulsion Ueff between two electrons on the same C60 molecule.


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Gunnarsson, O. Competition fix. Nature Mater 7, 176–177 (2008).

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