K3NbO8 is a potassium niobate ceramic compound belonging to the family of niobate ceramics, which are inorganic oxides used in advanced functional applications. This material is primarily investigated in research contexts for electroceramics and optical applications, where niobate compounds are valued for their ferroelectric, piezoelectric, and nonlinear optical properties. Engineers consider niobate ceramics when conventional oxides cannot meet demands for electromechanical coupling, high-temperature stability, or optical functionality in specialized components.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 40.81 | GPa | — | ||
Poisson's Ratio(ν) | 0.3000 | - | — | ||
Shear Modulus(G) | 19.71 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.075 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 2.647 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 18.46 | - | — | ||
| ↳ | 11.59 range 2.811–20.36median of 2 measurements | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.3941 | C/m² | — | ||
| ↳ | 0.2061 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -324.3 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.08880 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.538 | eV/atom | — |