Effects of nonstoichiometry in A3C60 (A= K, Rb)
O. Gunnarsson
Abstract
We perform self-consistent Hartree calculations for a model of A3-xC60 (A= K, Rb) to study the effects of the presence of vacancies. We find that the strong vacancy potential is very efficiently screened and that the density of states is only weakly influenced by the presence of vacancies.
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