V6O13
V6O13 is a metastable, semiconducting vanadium oxide utilized for its electrochemical properties in energy storage and electrochromic applications.
About V6O13
V6O13 is a semiconducting vanadium oxide that exists as a metastable phase within the broader family of refractory-metal oxides. Its distinct structural arrangement allows for reversible ion insertion, making it a subject of significant interest for advanced electrochemical applications.
Because of its unique electronic character, this material is primarily investigated for its role in energy storage and electrochromic technologies. It serves as a critical candidate for systems requiring efficient charge transport and structural flexibility during cycling.
Key Properties
Cross-validated computational properties for V6O13, 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 V6O13, 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/m (No. 11) | monoclinic | 0.00 | 0.0430 | -8.648 | 3.70 |
| P21/m (No. 11) | monoclinic | 0.00 | 0.0431 | -8.647 | 3.70 |
| P21/c (No. 14) | monoclinic | 0.18 | 0.0442 | -8.646 | 3.71 |
| C2/m (No. 12) | monoclinic | 0.52 | 0.0447 | -8.646 | 3.93 |
| Pc (No. 7) | monoclinic | 0.03 | 0.0449 | -8.646 | 3.69 |
| Cmcm (No. 63) | orthorhombic | 0.00 | 0.0627 | -8.628 | 3.73 |
| Fmmm (No. 69) | orthorhombic | 0.00 | 0.0705 | -8.620 | 3.75 |
| Cm (No. 8) | monoclinic | 0.00 | 0.0819 | -8.609 | 3.71 |
| C2/m (No. 12) | Monoclinic | — | — | — | 3.70 |
| C2/m (No. 12) | Monoclinic | — | — | — | 4.14 |
| No. 0 | unknown | — | — | — | 1.94 |
| No. 0 | unknown | — | — | — | 1.95 |
Applications
Where V6O13 is used.
Frequently Asked Questions
Common questions about V6O13, answered from cross-validated data.
What is V6O13?
V6O13 is a metastable, semiconducting vanadium oxide utilized for its electrochemical properties in energy storage and electrochromic applications.
What is V6O13 used for?
What is the band gap of V6O13?
Is V6O13 a metal, semiconductor, or insulator?
Is V6O13 thermodynamically stable?
What is the crystal structure of V6O13?
What is the density of V6O13?
How many polymorphs of V6O13 are known?
What elements does V6O13 contain?
Where does the data for V6O13 come from?
How It Compares
Within the electrochromic and refractory-metal oxides class.
Within the class of refractory-metal oxides, V6O13 occupies a distinct niche compared to the more commonly studied V2O5. While V2O5 is frequently utilized for its high oxidation state and stability, V6O13 offers a different structural framework that provides unique advantages in ion mobility, distinguishing it from other members like MoO3 or WO3 which are often favored for their wide-ranging optical switching properties.
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).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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