BaUSi₂O₈ is a rare-earth ceramic compound containing barium, uranium, and silicate phases, representing a specialized material within the actinide ceramics family. While primarily of research interest rather than established industrial production, this compound exemplifies materials developed for nuclear fuel applications and related high-temperature ceramic systems where uranium-bearing phases must be chemically stabilized. Engineers encounter this material class in nuclear waste management research, advanced reactor fuel development, and fundamental studies of actinide silicate chemistry—contexts where understanding phase stability and thermal behavior of uranium-containing ceramics is critical for long-term performance and containment.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.115 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.468 | eV | DFT · OptB88vdW | ||
| ↳ | 2.548 | eV | DFT · TBmBJ | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 3.579 | - | DFT · OptB88vdW | ||
| ↳ | 3.103 | - | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.0000108 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000364 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -395.5 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 430.6 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 11.70 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -3.149 | 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