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C28: A possible room temperature organic superconductor

N. Breda, R. A. Broglia, G. Colò, G. Onida, D. Provasi, E. Vigezzi

DOI 10.1103/PhysRevB.62.130 · Physical Review B

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Abstract

The electron-phonon coupling in fullerene C28 has been calculated from first principles. The value of the associated coupling constant λ/N(0) is found to be a factor 3.4 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 μ* for C28-based solids as those associated with alkali doped fullerides A3C60, one obtains Tc(C28)≈8Tc(C60).

Source-reported materials — not catalogue approval

FormulaReported Tc (K)Pressure (GPa)Type
C28

Archive — visibility unverified

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156Pressure not reportedunknown
K3C60

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Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.

19.5Pressure not reportedunknown

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