GaAgSe2

metal
· GaAgSe2

GaAgSe2 is a ternary compound semiconductor composed of gallium, silver, and selenium, belonging to the chalcopyrite crystal family. This material is primarily investigated in research contexts for optoelectronic and photovoltaic applications, particularly where tunable bandgap and mixed-metal chemistry offer advantages over binary semiconductors. Its silver-containing composition makes it relevant to studies of advanced solar cells, infrared detectors, and nonlinear optical devices, though commercial adoption remains limited compared to more established semiconductor systems.

photovoltaic researchinfrared detectorsnonlinear optical deviceswide-bandgap semiconductorsthin-film solar cellsoptoelectronic materials development

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
7,716
ksi
Poisson's Ratio(ν)
0.3600
-
Shear Modulus(G)
2,488.8
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.1970
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.3915
range 0.000–0.7830median of 2 measurements
eV
Dielectric Constant (Relative Permittivity)(εr)
33.87
range 32.05–35.69median of 2 measurements
-
Magnetic Moment(μB)
0.000
µB
Piezoelectric Modulus(eij)
0.05757
C/m²
Piezoelectric Stress Tensor(eij)
Matrix (redacted)
C/m²
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.01660
eV/atom
Formation Energy(ΔHf)
-0.4062
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.
GaAgSe2 — Properties & Data | MatWorld