Ytterbium hafnium oxide (YbHfO₃) is a rare-earth doped hafnate ceramic compound under development for high-temperature structural and functional applications. This material belongs to the family of hafnate perovskites, which are valued for thermal stability, chemical inertness, and potential for engineered dielectric or ionic properties; it remains primarily a research compound rather than a commercial engineering standard. Interest in YbHfO₃ centers on aerospace, thermal barrier coating systems, and advanced nuclear or extreme-environment applications where hafnate ceramics offer superior oxidation resistance and phase stability compared to conventional oxides.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.3870 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 4.701 | eV | DFT · PBE | ||
| ↳ | 4.631 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 4.419 | - | DFT · OptB88vdW | ||
Magnetic Moment(μB)2 entries | 0.000 | μB | DFT | ||
| ↳ | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00158 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000679 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -254.3 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 412.8 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf)2 entries | -3.816 | eV/atom | DFT | ||
| ↳ | -3.838 | 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