Barium tantalate (BaTaO₂) is an inorganic ceramic compound combining alkaline earth and refractory metal oxide chemistry, representing a dense, high-stiffness material within the perovskite-related ceramic family. While not widely established in mainstream engineering, this material is primarily explored in research contexts for applications requiring high-temperature stability, dielectric properties, and chemical inertness—particularly in advanced electronics, photocatalysis, and specialized refractory applications. Its heavy elemental composition and strong interatomic bonding make it of interest where conventional ceramics or oxides face thermal or chemical degradation limits, though availability and cost-effectiveness relative to established alternatives (alumina, zirconia, yttria) remain practical considerations.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 103.4 | GPa | — | ||
Poisson's Ratio(ν) | 0.2900 | - | — | ||
Shear Modulus(G) | 49.24 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 8.837 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.8598 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.798 | eV/atom | — |