Holmium aluminum oxide (HoAlO₃) is a rare-earth ceramic compound combining holmium, a lanthanide element, with aluminum oxide in a defined stoichiometric ratio. This material is primarily of research and specialized industrial interest rather than a commodity ceramic, valued for its unique combination of rare-earth properties and structural stability. HoAlO₃ appears in advanced applications requiring rare-earth functionality—such as optical devices, phosphors, high-temperature ceramics, and potentially in emerging fields like solid-state lasers or neutron absorbers—where the holmium dopant or host lattice properties provide performance advantages over conventional alumina or other rare-earth ceramics.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 205.5 | GPa | — | ||
Poisson's Ratio(ν) | 0.2500 | - | — | ||
Shear Modulus(G) | 122.9 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.745 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 6.137 | eV | — | ||
| ↳ | 5.981 | eV | — | ||
Magnetic Moment(μB)2 entries | 0.000 | μB | — | ||
| ↳ | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -302.4 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -3.595 | eV/atom | — | ||
| ↳ | -3.641 | eV/atom | — |