CuBS₂ is a copper-based ternary semiconductor compound combining copper, boron, and sulfur elements. This material belongs to the family of chalcogenide semiconductors and remains primarily in research and development phase, with potential applications in photovoltaic devices, photodetectors, and optoelectronic systems where earth-abundant alternatives to conventional semiconductors are sought. Its notable advantage lies in using relatively accessible elements compared to rare-earth or cadmium-based semiconductors, making it attractive for cost-sensitive and sustainable technology platforms, though commercial deployment remains limited pending further optimization of synthesis and device integration methods.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 16,566.6 | ksi | — | ||
Shear Modulus(G) | 9,172.2 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1453 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 3.610 | eV | — | ||
| ↳ | 1.872 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 9.650 | - | — | ||
| ↳ | 9.518 | - | — | ||
| ↳ | 9.239 range 8.717–9.761median 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 | 0.00248 | C/m² | — | ||
| ↳ | 0.5062 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -130.4 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.4223 | eV/atom | — |