Na4VO4
Na4VO4 is a stable semiconducting compound containing sodium, vanadium, and oxygen.
About Na4VO4
Na4VO4 is a semiconducting inorganic compound composed of sodium, vanadium, and oxygen. As a thermodynamically stable phase residing on the convex hull, it represents a robust structural arrangement that is well-represented across multiple materials databases.
Its electronic character as a semiconductor suggests potential utility in specialized electronic or electrochemical applications. The stability of this compound makes it a significant subject for researchers investigating vanadium-based oxides and their structural variations.
Key Properties
Cross-validated computational properties for Na4VO4, 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 Na4VO4, 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. |
|---|---|---|---|---|---|
| P-1 (No. 2) | triclinic | 1.07 | 0.0000 | -5.856 | 2.83 |
| P-1 (No. 2) | Triclinic | — | — | — | 2.66 |
| P-1 (No. 2) | Triclinic | — | — | — | 2.83 |
| P-1 (No. 2) | Triclinic | — | — | — | 2.75 |
| P-1 (No. 2) | — | — | — | — | — |
Applications
Where Na4VO4 is used.
Frequently Asked Questions
Common questions about Na4VO4, answered from cross-validated data.
What is Na4VO4?
Na4VO4 is a stable semiconducting compound containing sodium, vanadium, and oxygen.
What is Na4VO4 used for?
What is the band gap of Na4VO4?
Is Na4VO4 a metal, semiconductor, or insulator?
Is Na4VO4 thermodynamically stable?
What is the crystal structure of Na4VO4?
What is the density of Na4VO4?
How many polymorphs of Na4VO4 are known?
What elements does Na4VO4 contain?
Where does the data for Na4VO4 come from?
How It Compares
As a thermodynamically stable semiconducting oxide, Na4VO4 serves as a foundational reference point for exploring the broader landscape of sodium-vanadium-oxygen chemistry, providing a stable baseline for comparing other complex vanadium-based phases.
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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