Sm3CuSiS7
metal· JVASP-26472· Sm3CuSiS7
Sm₃CuSiS₇ is a rare-earth metal sulfide compound containing samarium, copper, and silicon. This is a research-phase material from the family of ternary and quaternary sulfides, which are being investigated for semiconductor and photovoltaic applications due to their tunable electronic and optical properties. While not yet widely commercialized, materials in this class show promise for next-generation energy conversion devices and are of interest to researchers developing alternatives to conventional semiconductors.
semiconductor researchphotovoltaic materialsthermoelectric applicationsoptoelectronics developmentrare-earth compound systems
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.069 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.681 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 16.05 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.1733 | C/m² | — | ||
Seebeck Coefficient(S) | -213.1 | 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) | -1.687 | 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.