Te2W3Se4 is a mixed-metal chalcogenide compound combining tungsten with tellurium and selenium, belonging to the family of transition-metal chalcogenides. This is primarily a research-phase material investigated for its potential in thermoelectric and optoelectronic applications, where the combination of heavy elements and layered crystal structures can enable efficient phonon scattering and tunable electronic properties. Compared to conventional thermoelectric alloys, chalcogenides like this offer promise for mid-to-high temperature energy conversion, though industrial adoption remains limited pending optimization of synthesis methods and performance validation at scale.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 54.50 | GPa | — | ||
Poisson's Ratio(ν) | 0.2200 | - | — | ||
Shear Modulus(G) | 39.02 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 9.086 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.8510 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 17.61 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.06469 | C/m² | — | ||
Seebeck Coefficient(S) | -19.39 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1287 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.3476 | eV/atom | — |