VO
Vanadium monoxide · Vanadium(II) oxide
Vanadium monoxide is a metallic oxide that exhibits properties typical of transition metal compounds. It is primarily utilized in materials science research and as a precursor in the synthesis of more complex vanadium-based ceramics and catalysts.
Key Properties
Cross-validated computational properties for Vanadium monoxide, aggregated across 4 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 VO, 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. |
|---|---|---|---|---|---|
| Fm-3m (No. 225) | cubic | 0.97 | 0.0218 | -9.106 | 5.32 |
| R-3m (No. 166) | trigonal | 0.78 | 0.0225 | -9.106 | 5.25 |
| C2/m (No. 12) | monoclinic | 1.98 | 0.0268 | -9.101 | 5.59 |
| P4/nmm (No. 129) | tetragonal | 0.82 | 0.0626 | -9.065 | 5.16 |
| P-1 (No. 2) | Triclinic | — | — | — | 3.82 |
| No. 0 | unknown | — | — | — | 0.38 |
| No. 0 | unknown | — | — | — | 0.38 |
| No. 0 | unknown | — | — | — | 0.37 |
| No. 0 | unknown | — | — | — | 0.38 |
| C2/c (No. 15) | Monoclinic | — | — | — | 6.30 |
| P-1 (No. 2) | Triclinic | — | — | — | 4.41 |
| C2/c (No. 15) | Monoclinic | — | — | — | 5.44 |
Applications
Where Vanadium monoxide is used.
Frequently Asked Questions
Common questions about Vanadium monoxide, answered from cross-validated data.
What is VO?
Vanadium monoxide is a metallic oxide that exhibits properties typical of transition metal compounds. It is primarily utilized in materials science research and as a precursor in the synthesis of more complex vanadium-based ceramics and catalysts.
What is VO used for?
What is the band gap of VO?
Is VO a metal, semiconductor, or insulator?
Is VO thermodynamically stable?
What is the crystal structure of VO?
What is the density of VO?
How many polymorphs of VO are known?
What elements does VO contain?
Where does the data for VO come from?
Related Compounds
Other Electrochromic and Refractory-Metal Oxides in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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