Figure 3
TEY spectra for the normal incidence of radiation (top panels) and at glancing angles of 5, 7, 9, 11, 13, 15, 17, 19, 21, 25° (below, vertically shifted). Experimental spectra are on the left-hand side and the results of our fit are on the right-hand side. Dashed lines (blue) on the right-hand side present the electron yield from the top oxidized layer only, ∼2.2 nm thick. The shaded area denotes the energy range for the fit of the glancing incidence spectra. Dotted vertical lines mark the energies for which the angular dependencies are calculated (see also Fig. 7). |