HfIrO2N

ceramic

· HfIrO2N

HfIrO2N is an experimental ceramic compound combining hafnium, iridium, oxygen, and nitrogen—a member of the refractory oxynitride family designed for extreme-temperature and high-oxidation environments. This material is primarily of research interest for aerospace and thermal-barrier applications where conventional ceramics reach their limits, owing to the high thermal stability and oxidation resistance potential of hafnium-iridium combinations. While not yet in widespread industrial production, oxynitrides of this composition are being investigated as next-generation coatings and monolithic ceramics for hypersonic vehicles, advanced turbine engines, and nuclear systems where temperatures and chemical aggression exceed the capabilities of alumina or yttria-stabilized zirconia.

thermal barrier coatingshypersonic vehicle componentsadvanced gas turbinesnuclear reactor environmentshigh-temperature oxidation resistanceaerospace research applications

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)	-0.00502	μB	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	1.960	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.

HfIrO2N

Electrical Properties

Other Properties

Regulatory Screening

Environmental