Hf4 N2

semiconductor

· Hf4 N2

Hf4N2 is a hafnium nitride ceramic compound belonging to the refractory nitride family, characterized by extremely high melting points and thermal stability. This material is primarily investigated in advanced aerospace and high-temperature applications where conventional superalloys reach their limits, such as hypersonic vehicle components and next-generation thermal protection systems. Hafnium nitrides are notable for their potential to operate at temperatures exceeding 3000°C while maintaining structural integrity, making them candidates for ultra-high-temperature environments where alternatives like alumina or silicon carbide become impractical.

hypersonic vehicle componentsthermal protection systemsrefractory coatingshigh-temperature oxidation barriersaerospace propulsion systemsresearch/advanced applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00970	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.342	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.

Hf4 N2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control