KVCu2S4
metal· JVASP-9785· KVCu2S4
KVCu₂S₄ is a quaternary metal sulfide compound containing potassium, copper, and sulfur. This material belongs to the family of mixed-metal sulfides and is primarily of research and materials science interest rather than established industrial production. The compound is investigated for potential applications in solid-state chemistry, thermoelectric devices, and ion-conducting systems where its layered sulfide structure and mixed-valence copper chemistry may offer advantages in charge transport or thermal management.
solid-state electronics researchthermoelectric materials developmention conductor candidateslaboratory synthesismaterials characterization studies
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.294 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.069 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 11.79 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.2999 | C/m² | — | ||
Seebeck Coefficient(S) | -406.4 | 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) | -0.8990 | 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.