K2Hg3Ge2S8
semiconductor· K2Hg3Ge2S8
K2Hg3Ge2S8 is a quaternary semiconductor compound combining mercury, germanium, sulfur, and potassium—a research-phase material belonging to the family of metal chalcogenides. This compound is primarily investigated for its potential in nonlinear optical applications and photonic devices, where its sulfide-based structure offers tunable electronic and optical properties distinct from simpler binary or ternary semiconductors. While not yet established in mainstream industrial production, materials in this class are of interest to researchers developing next-generation infrared optics, frequency conversion devices, and specialized detectors where traditional semiconductors reach their performance limits.
Nonlinear optical devicesInfrared optics researchPhotonic materials developmentFrequency conversion applicationsSpecialized semiconductor researchOptical detection systems
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1641 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.640 | eV | — | ||
| ↳ | 1.364 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -99.90 | 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) | 0.00150 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.5310 | 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.