CaHfO2S

ceramic

· CaHfO2S

CaHfO₂S is an experimental oxysulfide ceramic compound combining calcium, hafnium, oxygen, and sulfur. This material belongs to the family of rare-earth and refractory oxysulfides, which are primarily investigated in research settings for high-temperature applications and specialized functional ceramics. Oxysulfide ceramics are of interest to materials scientists as potential alternatives to conventional oxides in extreme environments due to their potential for enhanced thermal stability and chemical resistance, though practical industrial applications remain limited and the material is not yet established in mainstream engineering use.

high-temperature ceramics (research)refractory coatings (experimental)thermal barrier systems (potential)advanced ceramic composites (development)chemical-resistant coatings (exploratory)

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	4.500	eV	—
Magnetic Moment(μB)	-0.000180	μB	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.5200	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.

CaHfO2S

Electrical Properties

Other Properties

Regulatory Screening

Environmental