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Scandium(III) Oxide Powder

Scandium(III) Oxide Powder, Sc₂O₃

Scandium(III) Oxide Powder (Sc₂O₃)

Introduction

Scandium(III) Oxide Powder (Sc₂O₃) is a rare, high-value ceramic material prized for its role in electronics, advanced ceramics, and high-performance lighting. With excellent optical transparency, electrical insulating properties, and high thermal stability, Sc₂O₃ supports cutting-edge applications in semiconductors, aerospace, and solid oxide fuel cells (SOFCs).

Detailed Description

Scandium Oxide is a white, stable crystalline powder with a melting point of ~2,400 °C and a density of ~3.86 g/cm³. It is generally produced in ultra-high purities ranging from 99.9% (3N) to 99.999% (5N) to meet the demanding requirements of electronic and optical industries.

Key features include:

  • Optical transparency: Suitable for high-intensity lamps and advanced optical materials.

  • Dielectric properties: Excellent insulating behavior in electronic devices.

  • Thermal stability: High melting point ensures performance in extreme environments.

  • Catalytic activity: Useful as a promoter in catalysts for chemical reactions.

Applications

Scandium(III) Oxide Powder is widely used in:

  • Electronics: As a dielectric material in semiconductors and thin films.

  • Optics & Lighting: In scandium-halide lamps, providing bright, white light.

  • Ceramics: As a stabilizer for zirconia ceramics, enhancing ionic conductivity.

  • Aerospace & Energy: In solid oxide fuel cells (SOFCs) for higher efficiency and stability.

  • Research: Advanced materials studies in photonics and high-performance composites.

Technical Parameters

ParameterTypical Value / RangeImportance
Purity99.9% – 99.999%Critical for electronic and optical applications
Particle Size100 nm – 5 µmSmaller particles improve sintering and uniformity
AppearanceWhite crystalline powderIndicates high purity and stability
Melting Point~2,400 °CSuitable for high-temperature applications
Density~3.86 g/cm³Important for structural and ceramic uses

Comparison with Related Materials

MaterialKey AdvantageTypical Application
Scandium Oxide (Sc₂O₃)High dielectric & optical stabilitySemiconductors, lamps
Yttrium Oxide (Y₂O₃)Optical transparency, stableOptical ceramics, coatings
Zirconium Oxide (ZrO₂)High toughness, fuel cell useStructural ceramics, SOFCs

FAQ

QuestionAnswer
Why is Sc₂O₃ important in fuel cells?It stabilizes zirconia electrolytes, boosting ionic conductivity and efficiency.
Can Sc₂O₃ be used in lighting?Yes, scandium-halide lamps use it for bright, sunlight-like illumination.
Is Sc₂O₃ stable at high temperatures?Yes, with a melting point of ~2,400 °C, it withstands extreme heat.
What purity levels are offered?3N, 4N, and 5N grades are available for different industries.
How is it packaged?Vacuum-sealed bottles or bags, with bulk shipments in export-grade drums.

Packaging

Scandium(III) Oxide Powder is securely vacuum-packed in moisture-proof containers. For larger volumes, reinforced drums or cartons are used to ensure stability during transportation and storage.

Conclusion

Scandium(III) Oxide Powder (Sc₂O₃) is an advanced rare-earth material critical to next-generation electronics, optics, ceramics, and energy technologies. Its high purity and unique properties make it indispensable in both industrial and research applications.

For detailed specifications and a quotation, please contact us at [sales@thinfilmmaterials.com].

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Sc₂O₃ powder 99.9%–99.99% 1000 g

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FAQ

  • Metal powders are fine particles of metals produced through various processes such as atomization, reduction, or electrolysis. They are used in applications like additive manufacturing, powder metallurgy, and coatings.

  • Alloy powders consist of two or more metallic elements combined to enhance properties like strength, corrosion resistance, and ductility, whereas pure metal powders contain only a single element.

  • The shape affects flowability, packing density, and spreadability. Spherical particles are preferred in additive manufacturing due to their superior flow characteristics.

  • Spherical powders are typically produced using gas atomization, where molten metal is atomized into fine droplets that solidify into spherical shapes.

  • Spherical powders offer better flowability and packing density, leading to improved layer uniformity and mechanical properties in 3D-printed components.

  • Factors include particle size distribution, shape, chemical composition, purity, and production method.

  • Yes, metal powders can pose hazards such as toxicity, reactivity, combustibility, and instability. Proper handling, storage, and safety protocols are essential.

  • In powder metallurgy, metal powders are compacted and sintered to produce components with complex shapes and tailored properties, often with minimal waste.

  • Yes, unused or excess metal powders from manufacturing processes can often be collected, sieved, and reused, provided they meet quality standards.

  • The combination of different metals in alloy powders can enhance properties such as strength, hardness, corrosion resistance, and thermal stability, depending on the application requirements.

  • Spherical alloy powders are used in aerospace, automotive, medical implants, and tooling industries for manufacturing high-performance components via additive manufacturing and powder metallurgy.

Production methods like gas atomization, water atomization, and mechanical milling influence particle size, shape, and purity, which in turn affect the performance of the powders in various applications.

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