KSmSe2
ceramic· JVASP-36116· KSmSe2
KSmSe₂ is a rare-earth metal selenide ceramic compound belonging to the ternary chalcogenide family, combining potassium, samarium, and selenium elements. This material is primarily studied in solid-state chemistry and materials research for potential applications in thermoelectric devices, optical components, and ionic conductors, where its layered crystal structure and electronic properties are of interest. While not yet widely commercialized, selenide ceramics in this composition family are investigated as alternatives to conventional thermoelectric materials and for advanced semiconductor applications requiring specific band gap and phonon-scattering characteristics.
thermoelectric devicessolid-state researchoptical semiconductorsionic conductor researchrare-earth compound applicationsadvanced ceramics development
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 39.12 | GPa | — | ||
Poisson's Ratio(ν) | 0.2400 | - | — | ||
Shear Modulus(G) | 26.31 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.816 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.859 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 16.08 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -244.1 | 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) | -1.853 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
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.