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.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 190.9 | GPa | — | ||
| ↳ | 190.9 | GPa | — | ||
| ↳ | 186.7 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.3101 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Exfoliation Energy(Eexf) | 742.4 | meV/atom | — | ||
Poisson's Ratio(ν)2 entries | 0.2027 | - | — | ||
| ↳ | 0.2100 | - | — | ||
Shear Modulus(G)3 entries | 141.6 | GPa | — | ||
| ↳ | 141.6 | GPa | — | ||
| ↳ | 140.1 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 9.519 | kg/m³ | — |
| 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 | — |
| 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 | — |