K₃MnO₄ (potassium manganate) is an inorganic ceramic oxide compound containing manganese in the +6 oxidation state, representing a specialized class of transition metal oxides with potential electrochemical and catalytic properties. While not widely established in conventional engineering applications, this material belongs to a research family of manganese oxides that show promise in energy storage, catalysis, and oxygen evolution reactions, particularly relevant to electrochemistry and sustainable energy technologies. Engineers would consider K₃MnO₄ primarily for advanced applications requiring manganese's redox activity and ionic conductivity rather than structural performance, positioning it as a niche compound for emerging clean-energy and electrochemical device development.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 36.89 | GPa | — | ||
Poisson's Ratio(ν) | 0.4000 | - | — | ||
Shear Modulus(G) | 7.730 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.673 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.151 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 97.84 | - | — | ||
Magnetic Moment(μB) | 2.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.2600 | C/m² | — | ||
| ↳ | 0.3279 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -301.3 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.851 | eV/atom | — |