Pr3CuSiS7
metal· JVASP-26752· Pr3CuSiS7
Pr3CuSiS7 is a ternary intermetallic compound containing praseodymium, copper, and silicon with sulfur, representing a rare-earth transition metal chalcogenide. This is a research-grade material with limited commercial production; it belongs to the family of rare-earth metal sulfides and silicides that are primarily of academic interest for studying electronic and magnetic properties rather than established engineering applications. Potential engineering relevance lies in emerging fields such as thermoelectric devices, magnetic refrigeration systems, or specialty semiconductor applications where rare-earth compounds offer tunable electronic properties unavailable in conventional metallic alloys.
thermoelectric researchmagnetic materials studyrare-earth intermetallicsexperimental semiconductorssolid-state physics applicationsmaterials discovery
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 70.13 | GPa | — | ||
Poisson's Ratio(ν) | 0.2800 | - | — | ||
Shear Modulus(G) | 36.94 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.647 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.675 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 15.16 | - | — | ||
Piezoelectric Modulus(eij) | 0.1898 | C/m² | — | ||
Seebeck Coefficient(S) | -217.8 | 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) | -1.694 | 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.