K3GeS3

ceramic
· JVASP-11193· K3GeS3

K3GeS3 is an inorganic ceramic compound belonging to the thiogermanate family, characterized by a framework structure combining potassium, germanium, and sulfur elements. This material is primarily investigated in research contexts for optical and photonic applications, particularly as a potential infrared-transparent ceramic and nonlinear optical material. Its sulfide-based composition positions it as an alternative to traditional oxide ceramics in specialized photonics, though it remains largely experimental and not yet commercialized at engineering scale.

infrared optics researchnonlinear optical devicesphotonic ceramics developmentmid-IR transparent windowssolid-state laser componentsemerging functional ceramics

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
ksi
Poisson's Ratio(ν)
-
Shear Modulus(G)
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Magnetic Moment(μB)
µB
Seebeck Coefficient(S)
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)
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.