Yttrium Oxide (Y₂O₃) – High Purity Rare Earth Oxide Overview, Properties and Applications
Yttrium Oxide (chemical formula: Y₂O₃), also commonly known as Yttria or Yttrium(III) Oxide, is a high-performance inorganic rare earth oxide widely recognized for its superior thermal stability, excellent chemical inertness, outstanding optical characteristics and high dielectric properties. As one of the most essential yttrium compounds in the rare earth industry, Yttrium Oxide serves as a core raw material for advanced ceramics, optoelectronics, laser technology, new energy materials and precision industrial manufacturing, enjoying extensive applications in global high-end manufacturing fields .
Basic Product Information
CAS Number: 11130-29-3 Molecular Formula: Y₂O₃ Molecular Weight: 225.81 Appearance: White odorless fine powder Density: 5.01 g/cm³ Purity Grades: 99%, 99.5%, 99.9%, 99.95%, 99.99% (4N) high purity Stability: Air-stable, insoluble in water, slightly soluble in acids, with excellent high-temperature oxidation resistance
Our Yttrium Oxide products adopt advanced purification and ultrafine grinding technology, featuring uniform particle size, low impurity content, good dispersion and high sintering activity. Strict quality control is implemented in every production link to ensure stable and consistent product quality, meeting the precision usage requirements of different industrial scenarios.
Core Physical and Chemical Properties
Yttrium Oxide possesses unique comprehensive properties that distinguish it from ordinary metal oxides, making it irreplaceable in advanced industrial materials. First of all, it has ultra-high thermal stability with an extremely high melting point, which can maintain stable physical and chemical structures under extreme high-temperature environments, effectively improving the high-temperature resistance and thermal shock resistance of composite materials . Secondly, it has excellent optical performance and infrared transmittance, with low light loss, which is an ideal raw material for optical glass and laser crystal preparation .
In terms of chemical properties, Yttrium Oxide features strong corrosion resistance and chemical inertness, not easy to react with most acids, alkalis and corrosive media. In addition, it has good dielectric and insulating properties, as well as excellent sintering performance, which can significantly enhance the mechanical strength, toughness and wear resistance of ceramic and alloy materials after doping .
Main Industrial Applications
High-purity Yttrium Oxide is a versatile functional material, covering multiple high-end industrial fields, and its main application scenarios are as follows:
1. Rare Earth Phosphors and Optoelectronic Industry
Yttrium Oxide is the core raw material for tri-color rare earth phosphors. It is widely used to prepare europium-doped yttrium oxide red phosphors, which are applied in LED lighting, display screens, television imaging and fluorescent lamp manufacturing. It effectively improves luminous efficiency, color rendering and service life of lighting and display devices, and is a key material in the global optoelectronic display industry .
2. Advanced Ceramic Materials
As an excellent ceramic stabilizer and additive, Yttrium Oxide is commonly used for stabilizing zirconia ceramics. It can prevent phase transformation of zirconia at high and low temperatures, greatly improving the toughness, wear resistance and high-temperature stability of ceramic materials. It is widely used in structural ceramics, ceramic cutting tools, high-temperature ceramic components and dental ceramic materials .
3. Laser and Optical Devices
With superior optical uniformity and low defect rate, high-purity Yttrium Oxide is used for manufacturing yttrium aluminum garnet (YAG) laser crystals, which are core materials for industrial lasers, medical laser equipment and precision optical instruments. Meanwhile, it can be used to produce high-transmittance optical glass and infrared optical components .
4. New Energy and Electronic Materials
Yttrium Oxide can be used as a modifier for battery electrode materials and dielectric ceramic materials, effectively improving the cycle stability and energy density of new energy batteries. It is also applied in the preparation of microwave dielectric materials and superconducting materials, playing an important role in electronic communication and new energy industry upgrading .
5. Alloy and Metallurgical Additives
Added into steel, aluminum, magnesium and other alloys, Yttrium Oxide can refine alloy grains, purify internal impurities, and significantly enhance the strength, corrosion resistance and high-temperature oxidation resistance of metal materials. It is widely used in aerospace, automotive and high-precision metallurgical manufacturing fields .
Product Advantages
- High Purity & Low Impurity: Multiple purity specifications are available, with strictly controlled trace impurities such as iron, copper and lead, meeting high-end industrial and laboratory standards.
- Uniform Particle Size: Ultrafine powder with good fluidity and dispersion, easy to mix and sinter, ensuring stable material performance.
- Stable Performance: Excellent thermal stability, chemical resistance and optical performance, adaptable to extreme working environments.
- Customizable Service: Support customized particle size, purity and packaging specifications according to customer demands, with complete product certification and technical support.
Packaging & Storage
Packaging: Standard vacuum packaging (1kg/bag, 25kg/drum) or customized packaging as required. Storage: Store in a dry, cool and ventilated warehouse, avoid moisture and strong acid-base contact, and keep sealed for long-term storage to prevent agglomeration.
Conclusion
As a high-value rare earth functional material, Yttrium Oxide (Y₂O₃) occupies an irreplaceable position in optoelectronics, advanced ceramics, new energy, precision manufacturing and other emerging industries due to its unique physical and chemical properties. We provide high-quality Yttrium Oxide products with reliable quality, competitive price and professional after-sales service, supporting global customers’ bulk procurement and customized material solutions.
India
Thailand
United States
Spain
