W3Se4S2
metal· JVASP-28465· W3Se4S2
W3Se4S2 is a mixed-metal chalcogenide compound containing tungsten combined with selenium and sulfur, representing a specialized class of layered or cluster-based materials primarily of research and developmental interest. This composition falls within the broader family of transition metal chalcogenides, which are investigated for applications requiring specific electronic, photonic, or catalytic properties that differ from conventional metals or alloys. The material's potential lies in emerging technologies where tailored combinations of metallic and chalcogenic elements enable novel functional properties not achievable in single-phase metallic systems.
experimental materials researchtransition metal chalcogenidesphotocatalytic applicationselectronic materials developmentmaterials science study
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 5,378 | ksi | — | ||
Poisson's Ratio(ν) | 0.2100 | - | — | ||
Shear Modulus(G) | 3,949.4 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2150 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.5260 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 15.73 | - | — | ||
Piezoelectric Modulus(eij) | 0.03674 | C/m² | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1215 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.6226 | 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.