Li4HfO4
ceramic· JVASP-50434· Li4HfO4
Li₄HfO₄ is a lithium hafnium oxide ceramic compound that belongs to the family of mixed-metal oxides with potential applications in solid-state ionic conductors and advanced ceramic materials. This material is primarily of research interest rather than established commercial use, studied for its ionic transport properties and thermal stability in environments requiring hafnium-based ceramics. It represents an exploratory composition within the broader class of lithium-containing oxides being investigated for next-generation energy storage, thermal barrier coatings, and specialized refractory applications where hafnium's high melting point and chemical inertness are valued.
solid-state battery electrolytesthermal barrier coatingshigh-temperature ceramicsrefractory materialsionic conductor researchexperimental aerospace components
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1702 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.626 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -160.7 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.06520 | eV/atom | — | ||
Formation Energy(ΔHf) | -2.660 | 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.