HfSiO2S — Properties & Data | MatWorld

HfSiO2S

ceramic

· HfSiO2S

HfSiO₂S is an experimental ceramic compound combining hafnium, silicon, oxygen, and sulfur phases—a rare quaternary ceramic system not yet widely commercialized. Research interest in this material family stems from the potential for improved thermal stability, chemical resistance, or novel electronic properties compared to traditional HfO₂ or SiO₂ ceramics, though industrial applications remain limited pending further development and property optimization.

advanced refractory coatingshigh-temperature ceramics (research)semiconductor barrier layersextreme environment protection (exploratory)corrosion-resistant composites (developmental)

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · GLLB-SC
Magnetic Moment(μB)	0.3031	μB	DFT

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	1.220	eV/atom	DFT

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

HfSiO2S

Electrical Properties

Other Properties

Regulatory Screening

Environmental