Hf2 N4

semiconductor

· Hf2 N4

Hf₂N₄ is a transition metal nitride ceramic compound combining hafnium and nitrogen, belonging to the family of refractory nitrides studied for high-temperature and extreme-environment applications. This material is primarily of research interest rather than established commercial use, with potential applications in thermal barrier coatings, hard coatings, and aerospace components where exceptional thermal stability and hardness are required. Hafnium nitrides are investigated as alternatives or complements to more conventional nitrides (like TiN or CrN) due to hafnium's high atomic mass and strong nitride bonding, which can yield superior thermal and mechanical performance at extreme temperatures.

thermal barrier coatingsrefractory high-temperature applicationshard protective coatingsaerospace engine componentsresearch semiconductors/ceramicsextreme-environment materials

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.6413	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.9180	eV/atom	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Hf2 N4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control