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Brief introduction

Yttrium Oxide, also known as yttria, is a white, odorless powder with the chemical formula Y2O3. It is derived from yttrium, a rare earth metal, and oxygen. Yttrium Oxide introduced by the yttrium oxide powder manufacturer boasts exceptional properties that make it highly sought after in industries such as electronics, ceramics, optics, and more. It is a white or white slightly yellowish powdered rare earth oxide insoluble in water and alkali, soluble in acid, typical C-type rare earth sesquioxides, with a body-centered cubic structure. It absorbs carbon dioxide and water easily in the open air, so it should be kept airtight to prevent deterioration.


  1. Molar mass is 225.82g/mol, density 5.01g/cm3;
  2. Melting point 2410°C, boiling point 4300°C, good thermal stability;
  3. Good physical and chemical stability, with good corrosion resistance;
  4. High thermal conductivity, up to 27W/(m⋅K) at 300K, about twice the thermal conductivity of yttrium aluminum pomegranate (Y3Al5O12) crystal, high thermal conductivity is very favorable for its use as a working medium for lasers.
  5. Wide optical transparency range (0.29~8μm), and its refractive index is as high as 1.89 at 1050nm, which gives it a theoretical transmittance of more than 80%.
  6. Below 2200°C, Y2O3 is cubic phase and does not have birefringence. At a wavelength of 1050 nm the refractive index is 1.89. Above 2200 °C it transforms into a hexagonal phase.
  7. Y2O3  energy gap is very wide, up to 5.5eV, the energy level of the doped trivalent rare-earth luminescent ion is between the valence band and conduction band of Y2O3, above the Fermi energy level, thus forming a discrete luminescent center.
  8. Y2O3 as a matrix material can accommodate high concentrations of trivalent rare-earth ions doped into and replace Y3+ ions without causing changes in its structure.

yttrium oxide powder

The Functions of Yttrium Oxide

Ceramics and Refractory Materials: Yttrium Oxide plays a crucial role in the ceramics industry, serving as a key ingredient in the production of high-performance ceramics. It enhances the mechanical strength, thermal stability, and electrical insulation of ceramics, making them ideal for applications in aerospace, automotive, and defense industries.The Yttrium Oxide produced by yttrium oxide powder manufacturer is also used in refractory materials, contributing to their ability to withstand high temperatures and harsh conditions.

  • Optics and Photonics: Yttrium Oxide’s excellent optical properties make it an essential component in the field of optics and photonics. It is used in the manufacture of lenses, optical fibers, and laser crystals. Yttrium Oxide’s high refractive index and transparency enable the development of high-quality optical devices with enhanced light transmission and manipulation capabilities.
  • Solid-State Lighting: Yttrium Oxide is employed in the production of phosphors for solid-state lighting applications. By combining Yttrium Oxide with other rare earth elements, it becomes possible to achieve desired emission wavelengths, enabling the creation of energy-efficient and long-lasting lighting sources such as LEDs.
  • Catalysts: Yttrium Oxide-based catalysts are used in various chemical processes, including petroleum refining, organic synthesis, and environmental applications. Yttrium Oxide acts as a promoter or support material for catalytic reactions, improving reaction rates, selectivity, and overall efficiency.
  • Additive Manufacturing: Yttrium Oxide is utilized in additive manufacturing processes, such as 3D printing, to enhance the properties of printed materials. Its inclusion in powders or filaments improves the printability, mechanical strength, and thermal stability of the final products, expanding the possibilities of additive manufacturing technology.

Purity of yttrium oxide powder

The Advantages of Yttrium Oxide

Improved Material Performance: By incorporating Yttrium Oxide into various materials, yttrium oxide powder manufacturer can significantly enhance their performance. Whether it’s reinforcing ceramics, improving the light-emitting efficiency of phosphors, or boosting the catalytic activity of materials, Yttrium Oxide contributes to superior material properties and overall product quality.

  • Versatility: Yttrium Oxide finds application in diverse industries, showcasing its versatility. Its attributes enable it to address multiple industry-specific needs, making it an essential ingredient for engineers and researchers seeking innovative solutions.
  • Longevity and Durability: Yttrium Oxide’s exceptional thermal stability, resistance to corrosion, and high melting point contribute to the longevity and durability of products. Components manufactured with Yttrium Oxide have enhanced resistance to wear, thermal shocks, and chemical degradation, reducing maintenance costs and increasing product lifespans.
  • Energy Efficiency: In the field of solid-state lighting, Yttrium Oxide-based phosphors enable the development of energy-efficient lighting solutions. These phosphors exhibit higher light-emitting efficiencies and longer lifespans compared to traditional lighting sources, resulting in reduced energy consumption and environmental impact.
  • Technological Advancements: Embracing Yttrium Oxide opens doors to technological advancements in various industries. Its incorporation in additive manufacturing, catalysis, and optics contributes to the development of cutting-edge technologies that push the boundaries of performance and innovation.

In conclusion, Yttrium Oxide stands as a versatile compound that plays a critical role in numerous industries. With its exceptional attributes, diverse functions, and numerous advantages, Yttrium Oxide has become a cornerstone of innovation and technological advancement. By harnessing the power of Yttrium Oxide, yttrium oxide powder manufacturer can elevate the performance, durability, and efficiency of their products, paving the way for a brighter future across multiple sectors.

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