Yttrium Oxide Powder (Y₂O₃)

Product Specifications

• Chemical Formula: Y₂O₃

• CAS Number: 1314-36-9

• Purity Options: 99.9%, 99.99%, 99.999% (3N, 4N, 5N)

• Particle Sizes:<1 µm, 1–3 µm, nano-powder (<100 nm), or customized

• Appearance: White fine powder

• Crystal Structure: Cubic

• Packaging: Double-sealed PE bottles or vacuum aluminum foil bags

Advantages of Yttrium Oxide (Y₂O₃) Powder

• Yttrium oxide powder stands out for its excellent thermal stability and chemical resilience, making it an indispensable material in demanding high‑temperature and corrosive environments. With a melting point around 2430 °C, it retains structural integrity when many other oxide ceramics begin to fail. Its inert nature and strong Y–O bonding provide resistance against slags, molten metals, and harsh plasma atmospheres, minimizing contamination and extending component lifetime.

• In addition to its thermal ruggedness, Y₂O₃ offers impressive dielectric and optical performance. It serves as a reliable electrical insulator while enabling optical transparency in IR and UV‑range applications, which is why it is frequently chosen for plasma processing chambers, optical windows, and laser host ceramics. Its capability to reduce dielectric breakdown and suppress particulate contamination makes it especially valuable in semiconductor equipment and critical optics systems.

• Moreover, the powder’s purity, controlled particle size distribution, and phase stability enhance its processability for advanced ceramic and thin film applications. Fine‑grained Y₂O₃ powders facilitate sintering into dense, uniform ceramics or can be used as feedstock for sputtering and PVD targets. Their high quality supports consistent film deposition, reliable performance, and reproducibility across production lots — features critically important to R&D labs and manufacturing environments alike.

• Finally, from a materials‑engineering standpoint, Y₂O₃ contributes to improved mechanical resilience when integrated into composite systems. When combined with other oxides or carbides, it enhances fracture toughness and erosion resistance while maintaining all the core thermal and chemical advantages. This hybrid capability makes it ideal in modular ceramic systems, high‑temperature structural components, and protective coatings.

Why Choose Zhiyue’s Yttrium Oxide Powder?