KGdGeS4

ceramic
· JVASP-118971· KGdGeS4

KGdGeS4 is a complex sulfide ceramic compound containing potassium, gadolinium, germanium, and sulfur, belonging to the rare-earth sulfide ceramic family. This material is primarily of research interest for infrared optics and photonic applications, where its crystal structure and optical transparency in the mid-to-far infrared range make it attractive for specialized optical components; it represents an emerging class of materials being investigated as an alternative to more conventional infrared materials in scenarios where enhanced thermal stability or specific refractive index properties are advantageous.

infrared opticsphotonic devicesoptical windowsresearch/developmentalsolid-state laser hosts

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Density(ρ)
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
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.