KAg2SbS4 is a quaternary sulfide semiconductor compound containing potassium, silver, and antimony. This material belongs to the family of multinary chalcogenides, which are primarily investigated for optoelectronic and photovoltaic applications due to their tunable bandgaps and ionic-electronic dual conduction pathways. As a research-phase compound, KAg2SbS4 is of interest in the semiconductor community for non-linear optical devices, solid-state ion conductors, and next-generation photovoltaic absorber layers, though industrial adoption remains limited compared to established alternatives like CdTe or perovskites.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 41.83 | GPa | — | ||
Poisson's Ratio(ν) | 0.3600 | - | — | ||
Shear Modulus(G) | 11.78 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.141 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.200 | eV | — | ||
| ↳ | 0.2440 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 13.41 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.1178 | C/m² | — | ||
| ↳ | 0.3876 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -73.66 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.02150 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.4305 | eV/atom | — |