Cu2HgGeSe4 is a quaternary chalcogenide compound combining copper, mercury, germanium, and selenium in a fixed stoichiometric ratio. This is an experimental semiconductor material primarily of interest in materials research rather than established industrial production, belonging to the family of multinary chalcogenides that exhibit tunable electronic and optical properties. The compound is investigated for potential applications in thermoelectric energy conversion and photovoltaic devices, where its mixed-metal composition and selenium content may offer advantages in band gap engineering and charge carrier mobility compared to simpler binary or ternary semiconductors.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 57.37 | GPa | — | ||
Poisson's Ratio(ν) | 0.3400 | - | — | ||
Shear Modulus(G) | 22.46 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.195 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.000 | eV | — | ||
| ↳ | 0.1175 range 0.000–0.2350median of 2 measurements | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 869.5 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 4.201 | C/m² | — | ||
Seebeck Coefficient(S) | -90.09 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.01260 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.1903 | eV/atom | — |