HfTeO2S

ceramic
· HfTeO2S

HfTeO2S is a hafnium-tellurium oxysulfide ceramic compound combining refractory hafnium oxide with tellurium and sulfur phases—a research-stage material not yet widely deployed in commercial applications. This mixed-anion ceramic belongs to the family of complex oxides and chalcogenides being explored for high-temperature structural applications, photonic devices, and specialty coatings where extreme thermal stability and unique electronic or optical properties are required. The combination of hafnium's high melting point with tellurium and sulfur functionalization positions it as a candidate for next-generation thermal barriers, semiconducting layers, or chemical-resistant coatings, though its real-world adoption remains limited pending further characterization and scale-up.

High-temperature ceramics (research)Thermal barrier coatingsAdvanced refractory materialsPhotonic/optoelectronic devices (developmental)Chemical-resistant coatings

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
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.
HfTeO2S — Properties & Data | MatWorld