KNaO is a mixed alkali metal oxide ceramic composed of potassium and sodium oxides. This material belongs to the family of alkali oxide ceramics, which are primarily of research and specialized industrial interest rather than mainstream engineering applications. The compound is notable in materials science for studying mixed-cation effects in ionic ceramics and has potential applications in solid-state chemistry, particularly in ionic conductivity research and advanced ceramic synthesis, though it remains largely experimental with limited established engineering use compared to conventional ceramics.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 41.70 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.3000 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 20.22 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.628 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.649 | eV | DFT · OptB88vdW | ||
| ↳ | 4.973 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 12.96 | - | DFT · OptB88vdW | ||
| ↳ | 15.80 | - | DFT · PBE | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 3.178 | - | DFT · OptB88vdW | ||
| ↳ | 2.385 | - | DFT · TBmBJ | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | DFT · PBE | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | DFT · PBE | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000781 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000697 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -112 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 464.2 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 0.000 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00700 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.337 | eV/atom | DFT · OptB88vdW |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data