Ba₄Ta₂O₉ is a complex barium tantalate ceramic compound belonging to the family of mixed-metal oxides, which are typically investigated for their electrical and structural properties at elevated temperatures. This material is primarily of research and development interest rather than established commercial production, with potential applications in electronic ceramics, thermal barrier systems, and high-temperature dielectrics where the tantalate component provides chemical stability and the barium contribution influences electrical characteristics. Engineers would consider this compound when exploring alternatives to conventional refractory ceramics or dielectric materials in specialized high-temperature environments, though material availability and cost typically limit adoption to niche applications requiring its specific property combination.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2335 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.070 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 4.216 | - | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -3.174 | 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