Room Temperature Organic Superconductor?
N. Breda, R. A. Broglia, G. Colo`, G. Onida, D. Provasi, E. Vigezzi
Abstract
The electron--phonon coupling in fullerene C28 has been calculated from first principles. The value of the associated coupling constant lambda/N(0) is found to be a factor three larger than that associated with C60. Assuming similar values of the density of levels at the Fermi surface N(0) and of the Coulomb pseudopotential for C28-based solids as those associated with alkali-doped fullerides A3C60, one obtains Tc(C28) ≈ 8 Tc(C60).
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