BaAg2GeS4

metal
· BaAg2GeS4

BaAg₂GeS₄ is a quaternary chalcogenide compound containing barium, silver, germanium, and sulfur, representing a specialized class of materials studied for optoelectronic and nonlinear optical applications. This compound belongs to the family of metal sulfides and is primarily of research interest rather than established industrial production, with potential applications in infrared photonics, second-harmonic generation, and semiconductor device development. Engineers and researchers consider such materials when conventional alternatives (silicon, gallium arsenide, or common oxides) cannot meet requirements for specific wavelength ranges, phase-matching conditions, or nonlinear optical efficiency in demanding photonic systems.

infrared optics researchnonlinear optical materialsphotonic device developmentsemiconductor compoundsfrequency conversion applicationsexploratory optoelectronics

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
Pa
Poisson's Ratio(ν)
-
Shear Modulus(G)
Pa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Dielectric Constant (Relative Permittivity)(εr)
-
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.