Figure 4
Lead island on Si(111). The synchrotron light is incident from the right at a grazing angle of 15°. (a) Photon energy 49.7 eV, wavelength = 24.9 nm. (b) Photon energy 91.2 eV, wavelength = 13.6 nm. (c) Photon energy 139.6 eV, wavelength = 8.9 nm. |