HgGa2S4

semiconductor
· HgGa2S4

HgGa₂S₄ is a ternary semiconductor compound belonging to the mercury-based chalcogenide family, formed from mercury, gallium, and sulfur. This material is primarily of research and development interest rather than established commercial use, with potential applications in infrared optics and nonlinear optical devices where its wide bandgap and optical transparency in the infrared region could provide advantages over conventional semiconductors. Engineers investigating advanced photonic systems, infrared detectors, or frequency conversion devices may consider this compound as part of exploratory material selection, though its toxicity (due to mercury content) and lack of mature processing infrastructure limit practical deployment compared to more established alternatives like GaAs or ZnSe.

infrared optics (research)nonlinear optical devicesinfrared detectors (experimental)frequency conversion materialswide-bandgap semiconductors

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
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.