GaSe2

ceramic
· JVASP-123663· GaSe2

GaSe₂ is a layered III-VI semiconductor ceramic compound combining gallium and selenium, belonging to the family of chalcogenide semiconductors. It is primarily investigated as a research material for optoelectronic and photonic applications, particularly in nonlinear optical devices, infrared detectors, and tunable photonic systems where its layered crystal structure enables unique optical and electronic properties. GaSe₂ remains largely in the development phase rather than widespread industrial production, but represents a promising platform for engineers working on next-generation optical modulators, frequency conversion devices, and integrated photonic circuits where tunable bandgap and strong light-matter interactions are advantageous.

infrared detection and sensingnonlinear optical devicesphotonic modulatorsfrequency conversiontunable optical applicationsresearch photonics

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
5.666
kg/m³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV—
Magnetic Moment(μB)
0.000
µB—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.2118
eV/atom—
Formation Energy(ΔHf)
-0.2818
eV/atom—
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

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.