Fundamental concepts of Ion-beam processing -- Precipitate and microstructural stability in alloys subjected to sustained irradiation -- Spontaneous patterning of surfaces by low-energy ion beams -- Ion-beam-induced amorphization and epitaxial crystallization of silicon -- Voids and nanocavities in silicon -- Damage formation and evolution in ion-implanted crystalline Si -- Point defect kinetics and extended-defect formation during millisecond processing of ion-implanted silicon -- Magnetic properties and ion beams: why and how -- Structure and properties of nanoparticles formed by ion implantation -- Metal nanoclusters for optical properties -- Ion beams in the geological sciences -- Ion-beam modification of polymer surfaces for biological applications.