Atoms Eikonal approximations Axial surface channeling Projectiles Quantum interference Fast atom diffractions Potential Model Surface interactions Surface scattering Condensed matter physics Experimental spectra Diffraction Grazing scattering Insulator surfaces ANATOMIA Angular distribution Atom Atom diffraction Atomic transitions Collision Density functional theory Distorted wave formalism Electric insulators Electron emission Electronic structure Energy dissipation Experimental data FISIOLOGIA HUMANA Fluorine compounds Incident particles