CaMg₂N₂ is a ternary nitride ceramic compound belonging to the class of metal nitrides, characterized by a calcium-magnesium-nitrogen composition. This material is primarily of research and developmental interest rather than mature industrial production, with investigations focused on its potential as a wide-bandgap semiconductor for high-temperature and high-power electronic applications. The compound represents part of the broader exploration into transition metal nitrides and mixed-cation nitride systems that could offer alternatives to conventional semiconductors in extreme environments where thermal stability and chemical resistance are critical.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 101.1 | GPa | — | ||
Shear Modulus(G) | 73.16 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.933 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 3.250 | eV | — | ||
| ↳ | 2.487 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 18.33 | - | — | ||
| ↳ | 23.66 | - | — | ||
| ↳ | 11.81 range 5.810–17.81median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -258.9 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.042 | eV/atom | — |