LiAlO2
ceramic· LiAlO2
Lithium aluminate (LiAlO₂) is an inorganic ceramic compound combining lithium and aluminum oxides, commonly encountered as a crystalline solid. It appears in specialized applications requiring thermal stability and ionic conductivity, particularly in battery electrolytes, high-temperature ceramics, and as a component in advanced refractory materials. Engineers select LiAlO₂-based compositions for environments demanding chemical stability at elevated temperatures and low thermal expansion, though it is often used as a secondary phase or dopant rather than as a primary monolithic structure.
solid-state battery electrolytesrefractory ceramicshigh-temperature thermal managementlithium-ion conductor applicationsaerospace thermal barriers
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 142.0 | GPa | — | ||
| ↳ | 97.90 | GPa | — | ||
Poisson's Ratio(ν) | 0.2700 | - | — | ||
Shear Modulus(G)2 entries | 104.1 | GPa | — | ||
| ↳ | 53.56 | GPa | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.582 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.963 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 12.78 | - | — | ||
| ↳ | 6.666 | - | — | ||
| ↳ | 4.476 range 2.765–6.187median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.01092 | C/m² | — | ||
Seebeck Coefficient(S) | -147.9 | µV/K | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00130 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -3.080 | eV/atom | — | ||
| ↳ | -2.982 | eV/atom | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
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.