HfFeO2S

ceramic
· HfFeO2S

HfFeO2S is a hafnium-iron oxysulfide ceramic compound that combines refractory hafnium oxides with iron and sulfur phases, creating a mixed-valence ceramic material. This is a research-phase compound of interest in high-temperature and corrosion-resistant applications, where the hafnium component provides thermal stability and the iron-sulfur phases may contribute to electrical or catalytic properties. The material belongs to the broader family of complex oxide-sulfide ceramics, which are being explored for next-generation thermoelectric, catalytic, and wear-resistant coatings where conventional single-phase ceramics or alloys show limitations.

high-temperature coatingscorrosion-resistant ceramicsresearch-phase materialscatalytic applicationsthermal barrier systemsadvanced ceramics development

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Magnetic Moment(μB)
μB
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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.
HfFeO2S — Properties & Data | MatWorld