Figure 2
Electron densities obtained from the reflectivities shown in Fig. 1 at 16.2 keV and 5.012 keV, and from the combined energy scans shown in Fig. 3 also calculated at the resonance. Spatial Cs+ distributions determined from the reflectivity measurements (dashed line) and energy scans (dotted line). The solid line is obtained from renormalized surface-charge PB theory after convolution with the experimental resolution function (Bu et al., 2005, 2006). Z = 0 is defined, arbitrarily, at the interface between the head-group and the hydrocarbon chain. |