Sm3CuSnS7
metal· JVASP-24944· Sm3CuSnS7
Sm₃CuSnS₇ is a quaternary sulfide compound combining samarium (a rare earth element), copper, tin, and sulfur—a material class of significant interest for semiconductor and photovoltaic research. This compound belongs to the family of rare-earth metal chalcogenides, which are being investigated for optoelectronic applications where band-gap engineering and light-harvesting properties are critical. Though not yet a mainstream industrial material, sulfide-based compounds of this type show promise as alternatives to conventional semiconductors in niche applications requiring specific electronic or photonic behavior.
photovoltaic researchsemiconductors (experimental)optoelectronic devicesthin-film applicationsthermoelectric materials researchrare-earth compound engineering
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 9,498.5 | ksi | — | ||
Poisson's Ratio(ν) | 0.3100 | - | — | ||
Shear Modulus(G) | 4,378.7 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1939 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.601 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 16.32 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.05444 | C/m² | — | ||
Seebeck Coefficient(S) | -262.2 | 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) | -1.577 | 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.