CoHfON2

ceramic

· CoHfON2

CoHfON2 is an experimental ceramic compound combining cobalt, hafnium, oxygen, and nitrogen—a member of the oxynitride ceramic family designed to achieve high-temperature stability and enhanced mechanical properties beyond conventional oxides. This material is primarily explored in research contexts for extreme-temperature applications where thermal stability, oxidation resistance, and hardness are critical; it belongs to the emerging class of complex high-entropy and multi-principal-element ceramics that aim to outperform traditional single-phase ceramics in demanding aerospace and industrial environments.

High-temperature structural ceramicsAerospace engine componentsOxidation-resistant coatingsResearch and developmentThermal barrier applicationsRefractory materials

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)	4.717	μB	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	1.660	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.

CoHfON2

Electrical Properties

Other Properties

Regulatory Screening

Environmental