ScAlN2 is a scandium aluminum nitride compound, a quaternary ceramic material that combines the hardness and thermal stability of nitride ceramics with the lightweight properties of aluminum-based systems. This material is primarily of research and development interest, representing work in advanced ceramic coatings and structural materials where enhanced mechanical performance and thermal resistance are required at elevated temperatures. ScAlN2 is notable within the nitride ceramic family for its potential to offer improved properties over binary AlN or traditional TiN/CrN coatings, making it relevant for applications demanding both durability and thermal management in harsh environments.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 224.8 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2100 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 165.9 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.104 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 3.005 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 6.061 | - | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.2266 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.675 | eV/atom | DFT · OptB88vdW |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data