VCu₃S₄ is a ternary semiconductor compound combining vanadium and copper sulfides, belonging to the class of mixed-metal chalcogenides. This material is primarily of research interest for photovoltaic and thermoelectric applications, where its semiconducting properties and tunable band structure offer potential advantages over binary sulfide systems. The copper-vanadium chemistry makes it a candidate for next-generation energy conversion devices, though industrial deployment remains limited compared to mature semiconductor alternatives.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 39.06 | GPa | — | ||
| ↳ | 44.83 | GPa | — | ||
Poisson's Ratio(ν) | 0.2600 | - | — | ||
Shear Modulus(G)2 entries | 25.35 | GPa | — | ||
| ↳ | 26.60 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.917 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 1.000 | eV | — | ||
| ↳ | 1.180 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 7.650 | - | — | ||
| ↳ | 7.739 | - | — | ||
| ↳ | 7.830 range 7.649–8.010median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.06231 | C/m² | — | ||
| ↳ | 0.1159 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -373.2 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.6445 | eV/atom | — |