Mo₂WSe₂S₄ is a mixed-metal chalcogenide compound containing molybdenum, tungsten, and a combination of selenium and sulfur anions, representing an emerging class of layered transition-metal dichalcogenides (TMDs) with tunable electronic properties. This is a research-stage material primarily investigated for its semiconducting and catalytic characteristics, rather than a conventional structural alloy. The material family shows promise in electrochemical applications where the heteroatomic composition can modulate band gap and active site density compared to single-metal alternatives like MoS₂ or WS₂.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 39.02 | GPa | — | ||
Poisson's Ratio(ν) | 0.3100 | - | — | ||
Shear Modulus(G) | 26.27 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.342 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.8410 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 452.7 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.1880 | C/m² | — | ||
Seebeck Coefficient(S) | -280.6 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00780 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.8890 | eV/atom | — |