Atoms 4 Density functional theory 4 Diffraction 4 Fast atom diffractions 4 Projectile surface Alkali halide surfaces 2 Alkali halides 2 Condensed matter physics 2 Eikonal approximations 2 Fluorine compounds 2 Grazing incidence 2 Grazing scattering 2 Insulating surfaces 2 Insulator surfaces 2 Intensity profiles 2 Lithium compounds 2 Polarization effect 2 Projectiles 2 Quantum interference 2 Surface interactions 2 Van der Waals effect 2 Van der Waals forces 2 Van der Waals interaction 2