HgGa2Se4

semiconductor

· HgGa2Se4

HgGa2Se4 is a II-III-VI ternary semiconductor compound combining mercury, gallium, and selenium in a defect chalcopyrite structure. This material is primarily investigated in research contexts for infrared optoelectronic and photonic applications, where its wide bandgap and nonlinear optical properties make it potentially useful for mid-infrared detection, modulation, and frequency conversion. Engineers consider this compound for specialized optoelectronic devices in environments requiring thermal stability and broad spectral response, though it remains less commercially mature than binary alternatives like GaAs or CdSe.

infrared detectorsnonlinear optical devicesresearch optoelectronicsmid-IR photonicsfrequency conversion materialsthermal imaging sensors

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.950	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.

HgGa2Se4

Electrical Properties

Regulatory Screening

Environmental

Export Control