K4Sn3Se8

ceramic
· JVASP-21524· K4Sn3Se8

K4Sn3Se8 is a quaternary ceramic compound combining potassium, tin, and selenium—a mixed-metal chalcogenide with potential semiconductor or solid-state material properties. This is a research-phase compound rather than an established engineering material; the tin-selenium family has attracted interest for thermoelectric applications, optical coatings, and solid-state electronics due to the semiconducting behavior of tin chalcogenides and the role of potassium as a dopant or structural modifier. Engineers would consider this material class for niche applications in next-generation thermoelectric energy conversion, infrared optics, or advanced ceramics where tunable electronic properties and chemical stability in specific environments offer advantages over traditional semiconductors or oxides.

thermoelectric devicessolid-state electronics researchinfrared opticsadvanced ceramic compositesexperimental semiconductor applications

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
20.07
GPa—
Poisson's Ratio(ν)
0.2700
-—
Shear Modulus(G)
10.90
GPa—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
4.022
kg/m³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
1.377
eV—
Magnetic Moment(μB)
0.000
µB—
Seebeck Coefficient(S)
-203.3
µV/K—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom—
Formation Energy(ΔHf)
-0.8341
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.