Yttrium Oxide Coating Rare Earth Metal Oxides

yttrium oxide powder Y2O3 99.999 in coatings for semiconductor production technology equipment

Yttrium oxide also known as yttria, is Y2O3. It is an air-stable, white solid substance. Yttrium oxide is used as a common starting material for both materials science as well as inorganic compounds.

• Density: 2.90 oz/in³
• Melting point: 4,397°F (2,425°C)
• Chemical formula: O₃Y₂
• Average Molar mass: 225.81 g/mol
• Boiling point: 7,772°F (4,300°C)

Application:

Yttrium's most important use is in making phosphors which are used in CRT displays and in LEDs. Yttrium is also used in the production of superconductors, electrodes, electrolytes, electronic filters, and lasers. Yttria stabilized zirconium oxide is used in high temperature applications, such as in thermal plasma sprays to protect aerospace high temperature surfaces. High Purity (99.999%) Yttrium Oxide (Y2O3) PowderCrystals of the yttrium-iron-garnet (YIG) variety are essential to microwave communication equipment and yttrium-aluminum-garnet (YAG) crystals are used as laser gain media. High Purity (99.999%) Yttrium (Y) Sputtering TargetYttrium is available as metal and compounds with purities from 99% to 99.999% (ACS grade to ultra-high purity). Metallic forms include pellets, rod, wire and granules for evaporation source material purposes. Yttrium nanoparticles and nanopowders provide ultra-high surface area. Yttrium oxides is available in powder and dense pellet form for such uses as optical coating and thin film applications. Oxides tend to be insoluble. Fluorides are another insoluble form for uses in which oxygen is undesirable such as metallurgy, chemical and physical vapor deposition and in some optical coatings. Yttrium is also available in soluble forms including yttrium chloride, nitrate and acetate. These compounds can be manufactured as solutions at specified stoichiometries.

Lucky Liu

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