Description

Hafnium Oxide (HfO₂) is a high-performance, high-purity ceramic material prized for its exceptional thermal stability, high dielectric constant, and chemical inertness. It is a critical advanced material for demanding high-tech applications where reliability and precision are paramount. This product is essential for manufacturers and R&D facilities in the semiconductor, optical coating, and advanced ceramics industries.

Application

• High-k Dielectric Layers: A key material in semiconductor manufacturing for gate oxides in advanced CMOS transistors and memory devices (DRAM, Flash).
• Optical Coatings: Used to produce durable, high-refractive-index anti-reflective and protective coatings for lenses, laser components, and precision optics.
• Thermal Barrier Coatings (TBCs): Applied to turbine blades and high-temperature engine components in aerospace for superior heat resistance.
• Specialty Ceramics & Refractories: A component in ultra-high-temperature crucibles, furnace linings, and structural ceramics due to its extreme melting point.
• Catalyst & Catalyst Support: Employed in certain petrochemical and organic synthesis processes.
• Nuclear Industry: Utilized as a neutron absorber in control rods for nuclear reactors because of hafnium's high neutron capture cross-section.

Basic Information

Product Name	Hafnium Oxide
CAS No.	37230-85-6
Molecular Formula	HfO₂
Molecular Weight	210.49 g/mol
Synonyms	Hafnia; Hafnium(IV) oxide; Hafnium dioxide; Hafnium sesquioxide; HfO₂; Ceramic Hafnium Oxide; High-purity Hafnium Oxide; Nano Hafnium Oxide
EINECS	253-433-3

Quality Control

Our Hafnium Oxide is produced under stringent quality management systems. Each batch undergoes comprehensive analysis to ensure it meets precise chemical and physical specifications for high-tech applications. Certificates of Analysis (COA) detailing purity, particle size, and trace metal content are provided to guarantee supply consistency and performance reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep container tightly sealed to minimize exposure to atmospheric moisture and contaminants.

Specification

Item	Specification
Appearance	White to off-white powder
Assay (HfO₂)	≥ 99.9%
Zirconium (Zr) Content	≤ 2.0%
Particle Size (D50)	Contact for details
Specific Surface Area (BET)	Contact for details
Loss on Ignition (LOI)	≤ 1.0%
Trace Metals (ICP-MS)	≤ 100 ppm total

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.