Low-Energy Electron Inelastic Mean Free Path

We present calculations of low-energy electron inelastic mean free paths (IMFPs) within the dielectric formalism, using the energy-loss function (ELF) from ab initio calculations. The ELF is obtained from the time-dependent density functional theory in the adiabatic local density approximation (ALDA). We give an example of the ALDA-ELF and ALDA-IMFP for Fe. The obtained results agree well with other theoretical and experimental data.