Abstract
Complex dielectric function e (0, ω) and energy-loss function -Im [ e (0, ω) -1 ] of the 3d transition metals (V, Cr, Fe and Ni) are calculated within RPA with the use of the energy values and the wave functions determined by the APW method in the energy range 0–40 eV and are compared with experiment. The theoretical results of -Im [ e (0, ω) -1 ] are in fairly good agreement with experiment in the energy range 10–40 eV. But agreement between theoretical e (0, ω)'s and experimental ones is not so good in the energy range 1–8 eV as in the case of the 4d transition metals (Nb and Mo).
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