KNaPrNbO5 is a mixed-cation perovskite ceramic composed of potassium, sodium, praseodymium, and niobium oxides. This is primarily a research material being investigated for ferroelectric and dielectric applications, particularly in the context of functional ceramics where compositional diversity enables tuning of electrical and thermal properties. The mixed-alkali and rare-earth doping strategy represents an active area of ceramic materials science aimed at developing advanced insulators, energy storage components, and electro-optic devices with tailored performance characteristics.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 81.87 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.3000 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 39.56 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.469 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 3.432 | eV | DFT · OptB88vdW | ||
| ↳ | 4.428 | eV | DFT · TBmBJ | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 4.112 | - | DFT · OptB88vdW | ||
| ↳ | 3.397 | - | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000759 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000951 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -186.6 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 411 | 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) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -2.821 | 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