HoH₃O₃ is a holmium oxyhydroxide ceramic compound belonging to the rare-earth oxide family, primarily of research and developmental interest rather than established commercial production. This material is investigated for potential applications leveraging rare-earth chemistry, including optical devices, catalytic systems, and specialized refractory applications where holmium's unique electronic and thermal properties may offer advantages. Engineers considering this compound should recognize it as an emerging material with limited historical performance data; selection would typically be driven by specific requirements in photonics, nuclear applications, or advanced ceramics research rather than as a direct replacement for conventional structural or functional ceramics.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 88.42 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.3400 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 31.47 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.018 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 3.801 | eV | DFT · OptB88vdW | ||
| ↳ | 6.146 | eV | DFT · TBmBJ | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 3.422 | - | DFT · OptB88vdW | ||
| ↳ | 2.799 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 0.5367 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 1.817 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000767 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00135 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -132.5 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 260.8 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 0.000 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -2.057 | 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