W2SeS3
metal· JVASP-28847· W2SeS3
W2SeS3 is a ternary compound combining tungsten with selenium and sulfur, belonging to the family of layered transition metal chalcogenides. This material is primarily of research interest rather than established in widespread industrial use, studied for its potential as a semiconductor or energy storage component given the electronic properties typical of mixed-chalcogenide systems. Engineers would consider this material in emerging applications where the specific combination of tungsten with both selenium and sulfur offers advantages in catalysis, thin-film electronics, or electrochemical systems where alternative single-chalcogenide compounds are insufficient.
Research and developmentLayered semiconductorsCatalytic applicationsEnergy storage materialsThin-film electronicsElectrochemical devices
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 664.3 | ksi | — | ||
Poisson's Ratio(ν) | 0.1300 | - | — | ||
Shear Modulus(G) | 654.1 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2120 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.6930 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 12.27 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.02361 | C/m² | — | ||
Seebeck Coefficient(S) | -13.86 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1785 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.7782 | 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.