ZnCu2GeS4 is a quaternary semiconducting compound belonging to the diamond-like semiconductor family, combining zinc, copper, germanium, and sulfur in a tetrahedral crystal structure. This material is primarily of research interest for optoelectronic and photovoltaic applications, where its tunable bandgap and non-linear optical properties make it a candidate for infrared detectors, frequency conversion devices, and thin-film solar cells. While not yet widely deployed industrially, compounds in this family are investigated as alternatives to conventional semiconductors due to their potential for improved absorption coefficients and environmental advantages over lead-based or cadmium-based semiconductors.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 10,809.7 | ksi | — | ||
Poisson's Ratio(ν) | 0.3100 | - | — | ||
Shear Modulus(G) | 5,087.9 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1544 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.100 | eV | — | ||
| ↳ | 0.3250 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 22.77 | - | — | ||
| ↳ | 14.86 range 13.68–16.05median of 2 measurements | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.02126 | C/m² | — | ||
| ↳ | 0.8366 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -115.6 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.5119 | eV/atom | — |