Er3CuSiS7
metal· JVASP-24462· Er3CuSiS7
Er₃CuSiS₇ is an ternary/quaternary intermetallic compound combining erbium (a rare-earth element), copper, silicon, and sulfur. This is a research-phase material studied primarily in solid-state chemistry and materials science for its potential thermoelectric, optoelectronic, or semiconducting properties, rather than an established engineering material in widespread production. The rare-earth composition and mixed-anion structure (sulfide-based) make it relevant to emerging technologies in energy conversion and advanced functional materials, though engineering adoption remains limited pending optimization of processing routes and property validation.
thermoelectric devices (research)rare-earth functional materialssolid-state chemistry compoundsoptoelectronic materials (exploratory)high-temperature energy conversion (experimental)
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | kg/m³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Magnetic Moment(μB) | — | µB | — | — | |
Seebeck Coefficient(S) | — | µV/K | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | — | eV/atom | — | — | |
Formation Energy(ΔHf) | — | 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.