Resistivity of non-crystalline carbon in the 1-100eV range

Robinson, A P L and Schmitz, H and McKenna, P (2015) Resistivity of non-crystalline carbon in the 1-100eV range. New Journal of Physics, 17. 083045. ISSN 1367-2630

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    A resistivity model for non-crystalline, solid-density carbon and hydrocarbons is presented for such materials heated by short-pulse, ultra-intense lasers. Electron-impact excitation of C atoms and ions was included in this model,and calculation of resistivity curves with and without accounting for excitations indicates that excitations contribute >50% of the resistivity in the 3–20 eV range. This implies that electron-impact excitations make a similar contribution to electron-ion scattering, and thus models not accounting for electron-impact excitation may underestimate the resistivity of dense plasmas in this temperature range.