CeO2 (Cerium Oxide)

Notas

Cerium(IV) oxide, frequently referred to as ceria or cerium dioxide, is a rare-earth oxide characterized as a pale yellow-white powder. In the context of ceramic and glass science, it functions as a potent fluxing agent. Beyond its fluxing capabilities, cerium oxide is widely utilized in glass and optical formulations for its capacity to provide ultraviolet radiation protection. It also acts as a critical component in pigment development, where it interacts with other elements—such as titanium—to synthesize specific colorants, most notably cerium-titanium yellow. A significant chemical characteristic of this material is its capacity to undergo reversible shifts in stoichiometry, existing as a non-stoichiometric oxide under varying conditions.