Sm3CuGeS7
metal· JVASP-26773· Sm3CuGeS7
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.
thermoelectric energy conversion (research)quantum materials studiessolid-state physics researchrare-earth compound synthesislow-temperature physics experimentsmaterials discovery and characterization
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 10,332.5 | ksi | — | ||
Poisson's Ratio(ν) | 0.2800 | - | — | ||
Shear Modulus(G) | 5,396.9 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1911 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| 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 | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.597 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.