are gaps in an otherwise regular arrangement of atoms. These vacancies are responsible for exceptional properties of some nanomaterials such as high reactivity. In many cases, however, surface effects are undesirable and covered by surface coatings.
are gaps in an otherwise regular arrangement of atoms. These vacancies are responsible for exceptional properties of some nanomaterials such as high reactivity. In many cases, however, surface effects are undesirable and covered by surface coatings.