HfNbON2

ceramic

· HfNbON2

HfNbON2 is an experimental refractory ceramic compound combining hafnium, niobium, oxygen, and nitrogen—part of the high-entropy and multi-component ceramic family designed for extreme-temperature applications. This material remains largely in research phases, with development focused on next-generation thermal barrier coatings and ultra-high-temperature structural applications where conventional oxides and nitrides reach their limits. The multi-element composition aims to exploit entropy stabilization and improved fracture toughness compared to binary oxides or nitrides, making it of particular interest for aerospace propulsion systems, nuclear reactors, and advanced thermal protection.

thermal barrier coatingsultra-high-temperature ceramicsaerospace engine componentsnuclear reactor materialsrefractory systemsresearch/experimental phase

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)	0.00782	μB	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	1.220	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.

HfNbON2

Electrical Properties

Other Properties

Regulatory Screening

Environmental