Barium aluminate (BaAl2O4) is an advanced ceramic compound belonging to the aluminate family, valued for its thermal stability and optical properties. It is primarily used in phosphor applications, particularly as a host material for rare-earth dopants in fluorescent lamps, cathode ray tubes, and photoluminescent devices. Engineers select this material when requiring a ceramic with good chemical durability and the ability to support luminescent activators, making it especially relevant for lighting and display technologies where stable, efficient light conversion is critical.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 92.12 | GPa | — | ||
Poisson's Ratio(ν) | 0.3100 | - | — | ||
Shear Modulus(G) | 42.13 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.968 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.052 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 11.85 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.00505 | C/m² | — | ||
Seebeck Coefficient(S) | -109 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00360 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -3.441 | eV/atom | — | ||
| ↳ | -3.307 | eV/atom | — |