Used in the production of neodymium metal through electrolysis, which is essential for manufacturing high-strength permanent magnets found in electric motors, wind turbines, and hard disk drives. Also serves as a dopant in solid-state lasers for medical, industrial, and military applications. Employed in glass and crystal manufacturing to create specialized optical materials with enhanced refractive properties, including protective coatings and laser components. Additionally, used in research and development of advanced ceramic materials and catalysts.