Hafnium nitride
- Product Name
- Hafnium nitride
- CAS No.
- 25817-87-2
- Chemical Name
- Hafnium nitride
- Synonyms
- HAFNIUM NITRIDE;Hafnium mononitride;hafniumnitride(hfn);Hafnium(III) nitride;Hafnium nitride (HfN);Hafnium Nitride HfN Powder;Hafnium nitride powder (HfN);Micro-nano Hafnium Nitride Powder;Hafniumnitridehfnf.w.192.50powder;HAFNIUM NITRIDE ISO 9001：2015 REACH
- CBNumber
- CB5335208
- Molecular Formula
- HfN
- Formula Weight
- 192.5
- MOL File
- 25817-87-2.mol
Hafnium nitride Property
- Melting point:
- 3305°C
- Density
- 13.800
- form
- yellow-brown cubic crystals
- color
- yellow-brown cubic crystals, crystalline
- Resistivity
- 33 (ρ/μΩ.cm)
- Crystal Structure
- Cubic
- EPA Substance Registry System
- Hafnium nitride (HfN) (25817-87-2)
Safety
- WGK Germany
- 3
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P321Specific treatment (see … on this label).
P332+P313IF SKIN irritation occurs: Get medical advice/attention.
P362Take off contaminated clothing and wash before reuse.
Hafnium nitride Chemical Properties,Usage,Production
Chemical Properties
Hafnium nitride (HfN) is formed as yellow-brown, cubic crystals and is prepared by heating hafnium metal to 1000–1500 C in an atmosphere of nitrogen or ammonia. It can also be prepared by reacting hafnium tetrachloride vapor with nitrogen in a hydrogen atmosphere at temperatures higher than 1000 C.
Hafnium nitride is a brittle solid. The deposition of a thin layer of hafnium nitride on steel grade, cemented carbide, cutting tools reduces frictional forces and wear, thus increasing the life of the tool by a factor of 6–8.
Physical properties
Hafnium nitride is the most refractory of all known nitrides. It forms yellowish-brown crystals with an fcc structure (a = 0.4518 nm) and exhibits exceptional hardness (1640 kgf/mm²) and electrical resistivity (33 μΩ·cm). It can be synthesized by heating hafnium in nitrogen (N₂) or ammonia (NH₃) at 1000–1500°C. With a purity of 99.5%, it is used as a sputtering target to enhance the electrical stability of diodes, transistors, and integrated circuits [KIR80, KIR81, HAW93, CER91].
Uses
Hafnium nitride exhibits outstanding mechanical, electrical, optical, high-temperature resistance, and corrosion resistance properties, making it highly valuable in fields such as mechanical manufacturing and microelectronics.
Nano-sized hafnium nitride finds widespread applications in the semiconductor, optoelectronics, and precision machining industries. In particular, nano-HfN thin films show great potential as high-efficiency anti-reflective protective coatings for optical windows, especially for critical optical components in aerospace systems.
Preparation
Hafnium nitride can be produced either through the direct reaction of hafnium with nitrogen at 900°C, or via the reaction of hafnium halides with ammonia or a nitrogen-hydrogen gas mixture.
Hafnium nitride Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Hafnium nitride manufacturers
- Product
- HAFNIUM NITRIDE 25817-87-2
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 98%
- Supply Ability
- 1ton
- Release date
- 2022-10-10
- Product
- HAFNIUM NITRIDE 25817-87-2
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 85.0-99.8%
- Supply Ability
- 200kg
- Release date
- 2019-08-30