KPrTe₄ is a ternary ceramic compound containing potassium, praseodymium, and tellurium, belonging to the family of rare-earth telluride ceramics. This material is primarily a research-phase compound studied for its potential in thermoelectric and semiconductor applications, where rare-earth tellurides are investigated for solid-state energy conversion and thermal management. Engineers considering this material should recognize it as an experimental composition rather than an established engineering ceramic; its relevance lies in advanced research contexts exploring new thermoelectric materials or exploring novel electronic properties in rare-earth compound systems.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 30.32 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2500 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 18.63 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.392 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.3340 | eV | DFT · OptB88vdW | ||
| ↳ | 0.9660 | eV | DFT · TBmBJ | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 11.94 | - | DFT · OptB88vdW | ||
| ↳ | 9.005 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 0.04333 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 0.04333 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00381 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00105 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -252.8 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 111.1 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 31.64 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.006 | 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