Pr2SiTeO4 is a rare-earth silicate-tellurate ceramic compound combining praseodymium, silicon, tellurium, and oxygen in a mixed-anion framework structure. This is a research-phase material studied for its potential in advanced ceramics applications, particularly where thermal stability, radiation resistance, or specialized optical properties are desired. The material belongs to the broader family of rare-earth pyrochlore and silicate ceramics, which are of interest for high-temperature structural applications, nuclear fuel matrices, and photonic devices where conventional oxides face limitations.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 111.4 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2900 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 54.03 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.303 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.146 | eV | DFT · OptB88vdW | ||
| ↳ | 2.649 | eV | DFT · TBmBJ | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 6.392 | - | DFT · OptB88vdW | ||
| ↳ | 5.535 | - | DFT · TBmBJ | ||
Thermoelectric Power Factor(PF)2 entries | 0.00120 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00253 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -308.7 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 245.5 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 9.850 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -3.057 | 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