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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1641	lb/in³	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions
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, or test environment.

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.

K2Hg3Ge2S8

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control