HfHfN3

ceramic

· HfHfN3

HfHfN3 is a hafnium nitride-based ceramic compound, part of the refractory ceramic family characterized by extremely high melting points and exceptional hardness. This material remains largely in the research and development phase; it is studied for ultra-high-temperature applications where conventional ceramics and metals reach their limits. Hafnium nitrides are notable for their potential in aerospace thermal protection systems, advanced nuclear fuel cladding, and extreme-environment coatings where thermal stability and resistance to oxidation are critical—however, manufacturing challenges and limited commercial availability mean engineers typically evaluate it for next-generation applications rather than current production use.

refractory ceramicshigh-temperature coatingsaerospace thermal protectionnuclear fuel systemsextreme-environment applicationsresearch and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.8043	μB	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	1.280	eV/atom	—

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

Regulatory Screening

Environmental

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.

HfHfN3

Electrical Properties

Other Properties

Regulatory Screening

Environmental