HfReO2N

ceramic

· HfReO2N

HfReO₂N is an advanced ceramic compound combining hafnium, rhenium, oxygen, and nitrogen—a material still primarily in research and development rather than widespread commercial use. This oxynitride belongs to the family of ultra-high-temperature ceramics (UHTCs) and refractory materials, designed to withstand extreme thermal and oxidative environments where conventional ceramics degrade. Engineers and researchers investigate this composition for applications demanding outstanding high-temperature stability, oxidation resistance, and mechanical retention in harsh aerospace and hypersonic environments where materials like hafnium oxide and rhenium-containing ceramics have shown promise.

hypersonic vehicle leading edgesthermal protection systems (TPS)ultra-high-temperature engine componentsrefractory coatings and compositesaerospace thermal managementresearch-phase advanced ceramics

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)	0.7615	μB	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	1.520	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.

HfReO2N

Electrical Properties

Other Properties

Regulatory Screening

Environmental