NaNbN2
metal· NaNbN2
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.
high-temperature structural materialswear-resistant coatingsrefractory compoundsaerospace/hypersonic applicationsmaterials research & developmenthard-facing and tool coatings
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 18,934.5 | ksi | — | ||
| ↳ | 20,901.4 | ksi | — | ||
Poisson's Ratio(ν) | 0.2100 | - | — | ||
Shear Modulus(G)2 entries | 13,176.9 | ksi | — | ||
| ↳ | 15,439.3 | ksi | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1771 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| 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 | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.8887 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.