NbNO
Niobium oxynitride is a ceramic material that combines metallic and non-metallic elements to form a stable crystalline structure. It is primarily investigated for its potential in advanced electronic components and as a functional coating material due to its unique chemical properties.
Key Properties
Cross-validated computational properties for NbNO, aggregated across 3 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Reported Structures
Lowest-energy structures reported for NbNO, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| P21/c (No. 14) | monoclinic | 1.56 | 0.0000 | -9.772 | 6.18 |
| P1 (No. 1) | triclinic | 1.35 | 0.0245 | -9.747 | 6.11 |
| C2/m (No. 12) | monoclinic | 1.51 | 0.0376 | -9.734 | 4.83 |
| C2/m (No. 12) | monoclinic | 1.65 | 0.0572 | -9.715 | 4.86 |
| I41md (No. 109) | tetragonal | 0.71 | 0.0617 | -9.710 | 4.94 |
| P1 (No. 1) | Triclinic | — | — | — | 6.11 |
| Cmc21 (No. 36) | Orthorhombic | — | — | — | 5.37 |
| C2/m (No. 12) | — | — | — | — | — |
| P21/c (No. 14) | — | — | — | — | — |
| I41md (No. 109) | — | — | — | — | — |
| C2/m (No. 12) | Monoclinic | — | — | — | 4.86 |
| C2/m (No. 12) | Monoclinic | — | — | — | 5.03 |
Applications
Where NbNO is used.
Frequently Asked Questions
Common questions about NbNO, answered from cross-validated data.
What is NbNO?
Niobium oxynitride is a ceramic material that combines metallic and non-metallic elements to form a stable crystalline structure. It is primarily investigated for its potential in advanced electronic components and as a functional coating material due to its unique chemical properties.
What is NbNO used for?
What is the band gap of NbNO?
Is NbNO a metal, semiconductor, or insulator?
Is NbNO thermodynamically stable?
What is the crystal structure of NbNO?
What is the density of NbNO?
How many polymorphs of NbNO are known?
What elements does NbNO contain?
Where does the data for NbNO come from?
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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