NaNbN₂ is a sodium niobium nitride ceramic compound that belongs to the family of transition metal nitrides—materials engineered for exceptional hardness and refractory properties. This is a research-phase material under investigation for high-temperature structural applications where conventional alloys would soften or degrade, and for wear-resistant coatings where hardness and chemical stability are critical. The combination of a light alkali metal (sodium) with a refractory transition metal (niobium) and nitrogen creates a dense, stiff ceramic with potential advantages in extreme-environment engineering, though industrial adoption remains limited compared to established nitride ceramics like TiN or CrN.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 130.5 | GPa | — | ||
| ↳ | 144.1 | GPa | — | ||
Poisson's Ratio(ν) | 0.2100 | - | — | ||
Shear Modulus(G)2 entries | 90.85 | GPa | — | ||
| ↳ | 106.5 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.901 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.8920 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 22.34 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -269.7 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.8887 | eV/atom | — |