What is Hafnium Oxide (HfO₂) Micron Powder?

Hafnium Oxide (HfO₂) micron powder consists of ultra-fine particles of hafnium dioxide, a high-performance ceramic material known for its excellent thermal stability, high dielectric constant, and corrosion resistance. It is widely used in semiconductors, coatings, catalysis, and nuclear applications.

Chemical Properties and CAS Number

• Chemical Formula: HfO₂
• CAS Number: 12055-23-1
• Appearance: White fine powder
• Density: Approximately 9.68 g/cm³
• Melting Point: ~2,758°C
• Solubility: Insoluble in water, soluble in acids
• Chemical Stability: Highly stable under normal conditions, resistant to heat and oxidation

Applications of Hafnium Oxide Micron Powder

1. Semiconductor and Microelectronics

Used in high-k dielectric materials for transistors, memory devices, and gate oxides in semiconductor manufacturing.

2. Optical Coatings and Laser Applications

Applied in anti-reflective coatings, optical lenses, and high-power laser systems for improved light transmission and resistance.

3. Catalysis and Chemical Processing

Utilized as a catalyst and catalyst support in hydrogenation reactions, petrochemical refining, and fuel cell applications.

4. High-Temperature Ceramics and Refractories

Used in thermal barrier coatings, aerospace components, and advanced ceramic materials for extreme temperature resistance.

5. Nuclear and Radiation Shielding

Employed in control rods and shielding materials for nuclear reactors due to its excellent neutron absorption properties.

6. Energy Storage and Fuel Cells

Applied in lithium-ion batteries, supercapacitors, and solid oxide fuel cells to improve energy efficiency and longevity.

Pricing of Hafnium Oxide Micron Powder

Prices vary based on purity, particle size, synthesis method, and application-specific requirements:

• Industrial Grade: Typically ranges from $100 – $500 per kilogram
• High-Purity/Specialized Grade: Prices range from $1,000 – $5,000 per kilogram, used in semiconductor, aerospace, and nuclear industries.

Factors Influencing Hafnium Oxide Powder Prices

• Purity level and particle size distribution
• Industry-specific standards and certifications
• Processing complexity and synthesis method
• Bulk order volume and market fluctuations

Conclusion

Hafnium Oxide (HfO₂) micron powder is a high-performance material widely used in semiconductor manufacturing, optics, catalysis, and nuclear industries. Its high dielectric constant, thermal stability, and radiation shielding properties make it a critical material for cutting-edge technologies. Pricing depends on purity, particle specifications, and industrial demand.