K2S3 is a potassium polysulfide ceramic compound belonging to the sulfide ceramic family. While not a widely commercialized material, it represents research interest in solid-state chemistry and materials science, particularly for applications requiring sulfide-based ceramics with moderate stiffness and low density. K2S3 and related potassium sulfides are primarily explored in laboratory and academic contexts for potential uses in solid electrolytes, optical materials, and specialized ceramic applications where conventional oxides are unsuitable.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 21.36 | GPa | — | ||
Poisson's Ratio(ν) | 0.2700 | - | — | ||
Shear Modulus(G) | 12.05 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.173 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.342 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 8.010 | - | — | ||
| ↳ | 6.116 range 4.465–7.766median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.1130 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -190.9 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.9428 | eV/atom | — |