K2Se3 is an inorganic ceramic compound composed of potassium and selenium, belonging to the chalcogenide ceramic family. This material is primarily of research and specialized interest rather than established high-volume industrial use, with investigation focused on optical, electronic, and thermal properties relevant to advanced functional ceramics. K2Se3 represents the broader class of alkali metal chalcogenides, which show promise in photovoltaic devices, infrared optics, and solid-state ion conductors where conventional oxides are insufficient.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 19.93 | GPa | — | ||
Poisson's Ratio(ν) | 0.2600 | - | — | ||
Shear Modulus(G) | 11.64 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.470 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.6900 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 16.17 | - | — | ||
| ↳ | 10.73 range 8.677–12.79median of 2 measurements | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.3293 | C/m² | — | ||
| ↳ | 0.2123 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -204.7 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.8847 | eV/atom | — |