Calcium aluminum nitride (Ca₃Al₂N₄) is a ceramic compound belonging to the ternary nitride family, combining metallic elements with nitrogen to create a hard, refractory material. This material is primarily investigated in research contexts for high-temperature structural applications and advanced ceramics, where its thermal stability and hardness make it a candidate alternative to traditional alumina or silicon nitride in demanding environments. Its development is motivated by potential use in extreme-temperature applications and as a precursor phase in nitride-based composite systems.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.168 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.542 | eV | DFT · OptB88vdW | ||
| ↳ | 3.602 | eV | DFT · TBmBJ | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 5.570 | - | DFT · OptB88vdW | ||
| ↳ | 4.533 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 1.587 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 2.890 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00115 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00154 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -232.3 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 299.9 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 0.8900 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.374 | 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