HfHgO2S

ceramic
· HfHgO2S

HfHgO₂S is a rare ternary ceramic compound combining hafnium, mercury, oxygen, and sulfur—a composition that is not well-established in mainstream engineering literature and appears to exist primarily in research contexts. This material belongs to the broader family of mixed-metal oxysulfides, which are of interest for photocatalytic, electronic, and optical applications due to their tunable band gaps and layered crystal structures. Limited industrial deployment exists; the material is notable as an experimental compound for exploring how combining heavy metals (Hf, Hg) with anionic mixing (O, S) can yield novel functional ceramics, though mercury content may present practical and regulatory challenges for many applications.

research photocatalystsexperimental semiconductorsoptical coatings (lab-scale)band-gap engineeringsolid-state chemistry studiesenvironmental remediation (research)

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Magnetic Moment(μB)
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μB——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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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.