In the fascinating world of materials science, Schottky and Frenkel defects are two significant types of point defects that influence the properties and behavior of solid materials. These defects arise from imperfections within the crystal lattice structure, altering the arrangement of atoms or ions. Schottky defects involve the absence of atoms, while Frenkel defects result from the displacement of atoms or ions within the lattice. Understanding the characteristics and implications of these defects is crucial for advancing material design and engineering. In this article, we will delve into the realm of Schottky and Frenkel defects in solids, exploring their formation, effects on material properties, and their significance in various applications.