Sm₃CuGeS₇ is a ternary chalcogenide compound combining samarium (a rare earth element), copper, germanium, and sulfur into a crystalline metallic structure. This is a research-phase material studied primarily for its potential in thermoelectric and quantum materials applications, rather than an established commercial alloy. The compound belongs to the family of rare-earth transition-metal chalcogenides, which are explored for semiconducting, topological, or strongly correlated electron properties that conventional metals cannot provide.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 71.24 | GPa | — | ||
Poisson's Ratio(ν) | 0.2800 | - | — | ||
Shear Modulus(G) | 37.21 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.289 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.780 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 17.82 | - | — | ||
Piezoelectric Modulus(eij) | 0.1528 | C/m² | — | ||
Seebeck Coefficient(S) | -239.4 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.597 | eV/atom | — |