Al2Os
metal· Al2Os
Al2Os is an aluminum oxide compound that exhibits metallic or mixed-valence characteristics, positioning it between traditional ceramics and intermetallic materials. This composition appears to represent a research-phase or non-stoichiometric aluminum oxide variant, as it departs from the standard Al2O3 (corundum) structure and may explore intermediate oxidation states or defect engineering for enhanced functional properties. The material's notable stiffness and relatively low density make it potentially valuable for lightweight structural applications, while its exfoliation behavior suggests layered or stratified crystal characteristics that could be leveraged in advanced composites or functional devices.
lightweight structural componentshigh-stiffness ceramics/compositesresearch oxidation statesadvanced refractory materialsaerospace/automotive weight reductionmaterials science experimentation
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 27,689.4 | ksi | — | ||
| ↳ | 27,689.4 | ksi | — | ||
| ↳ | 27,081.4 | ksi | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.3101 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | ||
Exfoliation Energy(Eexf) | 742.4 | meV/atom | — | ||
Poisson's Ratio(ν)2 entries | 0.2027 | - | — | ||
| ↳ | 0.2100 | - | — | ||
Shear Modulus(G)3 entries | 20,532.5 | ksi | — | ||
| ↳ | 20,532.5 | ksi | — | ||
| ↳ | 20,324.1 | ksi | — |
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) | 0.3439 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.3680 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 25.10 range 17.50–32.71median of 2 measurements | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -323.3 | 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)2 entries | -0.4654 | eV/atom | — | ||
| ↳ | -0.5831 | 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
Export Control
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.