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Gadolinium(III) Oxide Powder, Gd₂O₃

Gadolinium(III) Oxide Powder, Gd₂O₃

Gadolinium(III) Oxide Powder (Gd₂O₃)

Introduction

Gadolinium(III) Oxide Powder (Gd₂O₃) is a rare-earth compound widely used in electronics, optics, nuclear applications, and advanced ceramics. With its excellent magnetic, luminescent, and neutron-absorbing properties, Gd₂O₃ is considered a critical material in both research and industrial technologies.

Detailed Description

Gadolinium(III) Oxide is a white, odorless, stable powder with a high melting point (~2,420 °C) and density of ~7.41 g/cm³. It is commonly produced in high purity grades ranging from 99.9% (3N) to 99.999% (5N). The powder’s fine particle size ensures uniform sintering and high-density ceramics.

Key characteristics include:

  • Magnetic behavior: Gadolinium exhibits strong paramagnetism, making Gd₂O₃ essential in MRI contrast agent precursors and magneto-optical devices.

  • High neutron absorption cross-section: Used in nuclear reactor control materials.

  • Optical performance: Acts as a host material for rare-earth-doped phosphors and laser crystals.

  • Thermal stability: Suitable for high-temperature ceramics and coatings.

Applications

Gadolinium(III) Oxide Powder is applied in multiple industries, including:

  • Electronics: High-k dielectric thin films, capacitors, and memory devices.

  • Optics & Photonics: Phosphors, scintillators, and solid-state lasers.

  • Nuclear Technology: Absorber materials in reactor control rods.

  • Medical Imaging: Precursor for gadolinium-based MRI contrast agents.

  • Ceramics & Glass: Additive to improve refractive index and durability.

Technical Parameters

ParameterTypical Value / RangeImportance
Purity99.9% – 99.999%Ensures optical clarity and magnetic reliability
Particle Size100 nm – 5 µmSmaller particles improve sintering behavior
AppearanceWhite fine powderIndicates high purity and stability
Melting Point~2,420 °CHigh-temperature applications
Density~7.41 g/cm³Important for ceramics and nuclear materials

Comparison with Related Materials

MaterialKey AdvantageTypical Application
Gadolinium Oxide (Gd₂O₃)Magnetic & neutron absorptionNuclear, MRI, optics
Yttrium Oxide (Y₂O₃)High transparency & stabilityOptical ceramics, coatings
Cerium Oxide (CeO₂)Strong redox & polishing abilityCatalysts, glass polishing

FAQ

QuestionAnswer
What purity levels are available?99.9% (3N), 99.99% (4N), and 99.999% (5N).
Can Gd₂O₃ be used in nuclear reactors?Yes, due to its high neutron absorption properties.
Is it suitable for medical use?Yes, as a precursor for MRI contrast agents, but requires further processing.
How is it packaged?Vacuum-sealed in bottles or bags, larger quantities in export-grade drums.
Which industries benefit the most?Electronics, optics, nuclear, medical imaging, and ceramics.

Packaging

Gadolinium(III) Oxide Powder is packed in moisture-proof, airtight containers to preserve purity. For bulk orders, sealed drums or cartons with cushioning are used to prevent contamination and damage.

Conclusion

Gadolinium(III) Oxide Powder (Gd₂O₃) is a versatile rare-earth material essential for high-tech industries. Its magnetic, optical, and nuclear properties make it an irreplaceable component in electronics, photonics, medical, and energy applications.

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

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Gd₂O₃ powder 99.9%–99.99% 7000 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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