Ideal Vacuum CERIUM OXIDE Pieces - CeO₂, 100 Grams, 99.9 Percent Purity, CeO₂ Melting Point 2600°C, 1 - 4 mm Pieces, PVD Evaporation Materials, Cerium Oxide Dielectric Thin Films

This product is a bottle of 100 grams of Cerium Oxide (CeO₂) Pieces - CeO₂, 99.9% (3N) Purity, CeO₂ with an m.p of 2600 °C, 1 - 4 mm piece size. It ships in PET plastic bottles. These pellets have a density of 7.13 g/cc, and a vapor pressure of 10^-4 Torr at 2,310 °C. It has a Z ratio of 0.89

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Cerium Oxide
Cerium oxide (CeO₂), also known as ceria, is an inorganic compound composed of cerium and oxygen. It is a pale yellow or white powder with a fluorite crystal structure. Cerium oxide is notable for its high oxygen storage capacity, catalytic properties, and chemical stability. It is widely used in various industrial, chemical, and optical applications.

Cerium oxide (CeO₂) is widely used in thin film coatings due to its high chemical stability, optical properties, and unique redox characteristics. Its ability to act as a UV absorber, oxygen buffer, and protective layer makes it valuable in various thin film applications:

1. UV Blocking and Filtering: CeO₂ thin films are used in optical coatings for lenses, windows, and other optical components to block or filter harmful ultraviolet (UV) radiation without compromising visible light transmission.
2. Protective Coatings for Optics: Serves as a protective layer on optical devices to prevent damage from radiation and chemical exposure, enhancing the durability of coatings used in harsh environments.
3. AR Coatings: CeO₂ is incorporated into anti-reflective coatings to improve light transmission and reduce surface reflections, especially in high-performance optical systems like cameras and laser optics.
4. Solid Oxide Fuel Cells (SOFCs): Used in thin film form as an electrolyte or buffer layer in SOFCs due to its high oxygen ion conductivity and stability at elevated temperatures, enhancing fuel cell performance.
5. Catalytic and Sensor Applications: CeO₂’s redox capabilities make it ideal for catalytic coatings in sensor devices, allowing it to participate in oxidation-reduction reactions, which are crucial for gas sensors and environmental monitoring devices.

Cerium oxide thin films are favored for their UV-blocking capabilities, chemical stability, and catalytic properties, making them suitable for optical, protective, and catalytic coatings in various high-performance applications.