What is Hafnium Oxide (HfO₂) Nanopowder/Nanoparticles?

Hafnium Oxide (HfO₂) nanopowder consists of ultra-fine hafnium dioxide particles known for their high dielectric constant, excellent thermal stability, and superior corrosion resistance. It is widely used in semiconductors, optics, catalysis, and advanced ceramics.

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, excellent thermal and chemical resistance

Applications of Hafnium Oxide Nanoparticles

1. Semiconductor and Microelectronics

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

2. Optical Coatings and Laser Applications

Applied in high-refractive-index coatings for optical lenses, mirrors, and high-power laser systems.

3. Catalysis and Chemical Processing

Utilized as a catalyst and catalyst support in petrochemical refining, hydrogen storage, and industrial oxidation-reduction reactions.

4. High-Temperature Ceramics and Refractories

Used in thermal barrier coatings, aerospace components, and high-performance ceramics due to its extreme heat resistance.

5. Nuclear and Radiation Shielding

Employed in control rods, shielding materials, and neutron absorption applications in nuclear reactors.

6. Energy Storage and Fuel Cells

Applied in lithium-ion batteries, supercapacitors, and solid oxide fuel cells to enhance conductivity and thermal stability.

Pricing of Hafnium Oxide Nanopowder

Prices vary based on purity, particle size, synthesis method, and application 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 semiconductors, aerospace, and nuclear applications.

Factors Influencing Hafnium Oxide Powder Prices

• Purity level and particle size distribution
• Functionalization and surface modifications
• Processing complexity and synthesis method
• Bulk order volume and market demand

Conclusion

Hafnium Oxide (HfO₂) nanopowder is a high-performance material with applications in semiconductor technology, optics, catalysis, and nuclear industries. Its high dielectric constant, thermal stability, and radiation absorption properties make it essential for cutting-edge industrial applications. Pricing depends on purity, particle specifications, and intended use.