HoH3 is a hydride ceramic compound composed of holmium and hydrogen, belonging to the rare-earth hydride family. This material is primarily of research interest rather than established commercial production, investigated for potential applications in hydrogen storage, neutron absorption, and specialized high-density ceramic applications where rare-earth elements provide unique nuclear or thermal properties. Engineers consider rare-earth hydrides when conventional ceramics cannot meet requirements for radiation shielding, neutron moderation, or advanced energy storage systems, though processing and cost typically limit adoption to high-value aerospace and nuclear contexts.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 84.16 | GPa | — | ||
Poisson's Ratio(ν) | 0.2200 | - | — | ||
Shear Modulus(G) | 60.95 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.442 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.1900 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -163.2 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.6721 | eV/atom | — |