K2SnHgSe4
ceramic· K2SnHgSe4
K2SnHgSe4 is a quaternary ceramic compound combining potassium, tin, mercury, and selenium—a relatively uncommon combination that belongs to the family of chalcogenide ceramics. This material is primarily of research interest rather than established commercial production, with potential applications in optoelectronic and semiconducting devices that exploit the electronic properties of tin and selenium. The compound's layered ionic structure and the presence of mercury suggests possible use in niche applications requiring specific electrical or optical behavior, though industrial adoption remains limited due to synthesis challenges and the toxicity concerns associated with mercury.
experimental semiconductorsoptoelectronic researchinfrared optics (research phase)chalcogenide material developmentsolid-state physics investigationspecialized ceramics R&D
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 24.12 | GPa | — | ||
Poisson's Ratio(ν) | 0.2600 | - | — | ||
Shear Modulus(G) | 13.91 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.153 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.472 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 9.348 range 6.917–11.78median of 2 measurements | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.08610 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.7368 | 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.