K2Ge2PbS6
semiconductor· K2Ge2PbS6
K2Ge2PbS6 is a quaternary semiconductor compound belonging to the metal chalcogenide family, combining alkali metals (potassium), group IV elements (germanium and lead), and sulfide anions in a layered crystalline structure. This material is primarily investigated in research contexts for infrared photonics and nonlinear optical applications, where its sulfide chemistry offers potential advantages in wavelength conversion and mid-infrared sensing compared to more conventional semiconductors.
infrared optics researchnonlinear optical devicesmid-infrared detectorsphotonic materials developmentsolid-state physics experimentation
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1256 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.850 | eV | — | ||
| ↳ | 2.041 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -272.2 | µV/K | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.8128 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
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.