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) | 90.29 | GPa | — | ||
Poisson's Ratio(ν) | 0.3100 | - | — | ||
Shear Modulus(G) | 39.13 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.207 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 5.019 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 7.608 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -107.1 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -3.202 | eV/atom | — |