Cu4Si2NiS7 is a quaternary sulfide compound combining copper, nickel, and silicon in a sulfide matrix, representing an experimental material rather than an established commercial alloy. This composition falls within the family of multinary metal sulfides, which are of research interest for semiconductor, photovoltaic, and thermoelectric applications due to their tunable electronic properties and potential for cost-effective alternatives to conventional materials. The material's notable feature is the combination of three transition/post-transition metals with sulfur, which can create complex crystal structures with potential band-gap engineering capabilities—though industrial adoption remains limited and the material is primarily investigated in academic and early-stage development contexts.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.969 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 1.459 | µB | — | ||
Seebeck Coefficient(S) | 39.69 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.02360 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.4840 | eV/atom | — |