Ga2HgS4

semiconductor
· Ga2HgS4

Ga₂HgS₄ is a quaternary semiconductor compound belonging to the family of mercury-containing chalcogenides, combining gallium, mercury, and sulfur in a specific stoichiometric ratio. This material is primarily of research and developmental interest rather than established in volume production, with potential applications in optoelectronic and photovoltaic devices where its bandgap and optical properties may offer advantages in infrared detection or specialized solar conversion. Engineers would consider this compound for niche applications requiring mercury-based semiconductors with improved stability or tunable electronic properties compared to binary or ternary alternatives, though practical implementation remains limited due to material maturity, mercury handling complexity, and competing technologies.

infrared photodetectorsexperimental optoelectronicssemiconductor researchphotovoltaic developmentmercury-based electronics

Compliance & Regulations

?EAR?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)2 entries
eV
eV
Dielectric Constant (Relative Permittivity)(εr)3 entries
-
-
median of 2 measurements
-
Electronic Dielectric Tensor(ε∞)
Matrix (redacted)
-
Total Dielectric Tensor(ε)
Matrix (redacted)
-
Magnetic Moment(μB)
µB
Piezoelectric Modulus(eij)2 entries
C/m²
C/m²
Piezoelectric Stress Tensor(eij)
Matrix (redacted)
C/m²
Seebeck Coefficient(S)
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
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)
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.
Ga2HgS4 — Properties & Data | MatWorld