Surface coating is a research area that involves applying a thin layer of material to a surface in order to enhance its properties or performance. This can include improving corrosion resistance, wear resistance, adhesion, appearance, or functionality of a surface. Surface coatings can be applied to a wide range of materials, including metals, plastics, ceramics, and composites, and can be used in various industries such as automotive, aerospace, electronics, and consumer goods. Researchers in this field investigate different coating materials, application methods, and process parameters to develop coatings that meet specific performance requirements and improve the overall quality and durability of products.