BaAl₂Si₂O₈ is an aluminosilicate ceramic compound belonging to the feldspar family, specifically a barium-containing silicate phase. This material is primarily encountered in advanced ceramic applications and specialized glass-ceramic systems where its thermal stability and mechanical properties are advantageous for high-temperature or chemically demanding environments. The barium feldspar composition makes it valuable in refractory materials, glazes, and glass-ceramic matrix composites where thermal shock resistance and chemical inertness are required.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 13,095.5 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.3100 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 5,675.3 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1159 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 5.019 | eV | DFT · OptB88vdW | ||
| ↳ | 7.815 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 7.608 | - | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 2.655 | - | DFT · OptB88vdW | ||
| ↳ | 2.175 | - | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000642 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000306 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -107.1 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 504.7 | 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) | -3.202 | 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