Figure 4
From: Formation of Nanofoam carbon and re-emergence of Superconductivity in compressed CaC6
(a) The Eliashberg phonon spectral function α2F(ω) and electron-phonon integral λ(ω) of the Pmmn CaC6 structure at 39 GPa. (b) Superconducting transition temperature versus pressure for CaC6.
