HoH3
ceramic· JVASP-51361· HoH3
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.
research-phase materialneutron shieldinghydrogen storage researchrare-earth ceramicsnuclear engineeringhigh-density composites
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 84.16 | GPa | — | ||
Poisson's Ratio(ν) | 0.2200 | - | — | ||
Shear Modulus(G) | 60.95 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.442 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.1900 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -163.2 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.6721 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.