Ca₂HfO₄ is an advanced ceramic compound combining calcium and hafnium oxides, belonging to the family of refractory ceramics and high-temperature oxides. This material is primarily of research and specialized industrial interest due to hafnium's exceptional thermal stability and neutron absorption properties. Applications center on extreme-environment systems where thermal resistance, chemical stability, and nuclear properties are critical, including aerospace thermal protection, nuclear reactor components, and advanced refractory linings.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 135.5 | GPa | — | ||
Poisson's Ratio(ν) | 0.2700 | - | — | ||
Shear Modulus(G) | 76.35 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.793 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 3.901 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -171.7 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00840 | eV/atom | — | ||
Formation Energy(ΔHf) | -3.554 | eV/atom | — |