Raman scattering is a phenomenon in which light is scattered by a sample, resulting in a shift in wavelength due to interactions with the molecular vibrations of the material. This technique is used in various scientific fields, including chemistry, physics, and biology, to provide information about the composition and structure of a material. Raman scattering can be used to identify molecules, analyze chemical bonding, and study molecular interactions. It is a powerful analytical tool that is non-destructive and requires minimal sample preparation.