Blogs, nanopowder   0   12 March 2025

What is Gadolinium Oxide (Gd₂O₃) Micron Powder?

Gadolinium Oxide (Gd₂O₃) Micron Powder is a rare earth metal oxide with high thermal stability, strong paramagnetic properties, and excellent optical performance. It is widely used in MRI contrast agents, phosphors, ceramics, semiconductors, and nuclear applications due to its unique magnetic and optical characteristics.

Chemical Properties of Gadolinium Oxide (Gd₂O₃) Micron Powder

  • Chemical Formula: Gd₂O₃
  • Molecular Weight: 362.50 g/mol
  • Density: 7.41 g/cm³
  • Melting Point: 2,420°C
  • Boiling Point: Sublimes at high temperatures
  • Solubility: Insoluble in water, soluble in acids
  • Optical Properties: High refractive index, transparent in infrared regions
  • Magnetic Properties: Strong paramagnetism
  • CAS Number: 12064-62-9

Applications of Gadolinium Oxide (Gd₂O₃) Micron Powder

  1. Medical Imaging (MRI Contrast Agents)

    • Used in gadolinium-based contrast agents (GBCAs) for MRI scans.
    • Enhances magnetic resonance imaging (MRI) signals for clearer diagnostics.

  2. Optics & Phosphors

    • Key component in fluorescent materials, phosphors, and display technologies.
    • Used in X-ray imaging screens, LED lighting, and lasers.

  3. Ceramics & Glass Manufacturing

    • Improves mechanical strength and thermal stability in ceramic coatings and optical glass.

  4. Semiconductor Industry

    • Utilized in high-k dielectric materials for transistor gate insulation.
    • Applied in thin-film deposition for microelectronics and memory devices.

  5. Nuclear Reactors & Shielding

    • Used as a neutron absorber in nuclear reactors due to its high neutron capture cross-section.
    • Enhances radiation shielding for nuclear waste storage.

  6. Catalysts & Chemical Processing

    • Used in catalysts for petrochemical and environmental applications.
    • Improves efficiency in oxidation reactions.

  7. Magnetic Refrigeration

    • Gadolinium-based materials are used in magnetocaloric refrigeration systems for energy-efficient cooling.

Gadolinium Oxide (Gd₂O₃) Micron Powder Prices

Pricing varies based on purity, particle size, and application.

  • Industrial Grade (99.9% Purity): $80 – $300 per kg
  • High Purity (99.99% Optical & Semiconductor Grade): $500 – $1,500 per kg
  • Ultra-High Purity (99.999% Medical & Nuclear Grade): $2,000 – $5,000 per kg

Prices fluctuate based on global rare earth market trends, mining regulations, and demand from high-tech industries.

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