Ba₂HfO₃ is a complex oxide ceramic composed of barium, hafnium, and oxygen, belonging to the family of perovskite-related compounds. This material is primarily investigated in research and development contexts for applications requiring high-temperature stability and chemical inertness, particularly in thermal barrier coatings, refractory systems, and advanced nuclear or aerospace environments where superior thermal and chemical resistance are essential. Its hafnium-based composition makes it notable for applications demanding resistance to extreme conditions, as hafnium oxides are among the most refractory ceramic materials known.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 110.4 | GPa | DFT · OptB88vdW | ||
Shear Modulus(G) | 2.160 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.241 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.08000 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 7.891 | - | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1450 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -2.907 | 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