Hf4 C2 S2
semiconductor· Hf4 C2 S2
Hf4C2S2 is a hafnium-based ternary compound combining carbide and sulfide phases, representing an experimental material system rather than an established commercial product. This compound belongs to the family of refractory transition metal chalcogenides and carbides, studied primarily in research contexts for potential high-temperature and electronic applications where hafnium's high melting point and chemical stability could be leveraged. The mixed-anion composition (carbide + sulfide bonding) creates a distinct electronic structure that differs from single-phase hafnium carbide or hafnium sulfide, making it of interest in materials research for semiconducting or catalytic properties.
High-temperature research compoundsSemiconductor researchRefractory material developmentCatalysis applications (exploratory)Electronic materials (theoretical/experimental)
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | eV/atom | — | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
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.