Schottky defect

A Schottky defect occurs in a crystalline solid, like certain salts, where some of the atoms or ions are missing from their regular positions, creating vacancies. Specifically, equal numbers of positively and negatively charged ions leave their spots, maintaining the overall electrical neutrality. This defect reduces the density of the solid slightly and can influence properties like diffusion and electrical conductivity. Essentially, it’s a normal, balanced imperfection where tiny gaps form in the crystal structure without disrupting its overall stability.