BaAg₂GeSe₄ is a quaternary chalcogenide compound combining barium, silver, germanium, and selenium—a member of the metal chalcogenide family with mixed-valence metallic character. This is a research-phase material investigated primarily for nonlinear optical and photonic applications, where the combination of heavy elements and chalcogenide structure offers potential for mid-infrared transparency and second-harmonic generation. Engineers and materials scientists are exploring such compounds for specialized optoelectronic devices where conventional semiconductors or oxides cannot meet performance requirements in specific wavelength windows.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.650 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.2730 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 22.25 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.3592 | C/m² | — | ||
Seebeck Coefficient(S) | -130.9 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.7309 | eV/atom | — |