Na4O20Te4V4
Na4O20Te4V4 is a thermodynamically stable, insulating quaternary oxide composed of sodium, oxygen, tellurium, and vanadium.
About Na4O20Te4V4
Na4O20Te4V4 is a complex inorganic compound characterized by its insulating electronic nature and wide band gap. As a thermodynamically stable phase located on the convex hull, it represents a robust structural arrangement of sodium, oxygen, tellurium, and vanadium atoms.
This material is of interest for researchers investigating stable quaternary oxides with insulating properties. Its structural integrity makes it a candidate for fundamental studies in solid-state chemistry and potential applications in specialized electronic or optical components where stable, wide-gap materials are required.
Key Properties
Cross-validated computational properties for Na4O20Te4V4, 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 Na4O20Te4V4, 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 | 3.02 | 0.0000 | -6.836 | 3.98 |
| P21/c (No. 14) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 1.05 |
| P21/c (No. 14) | — | — | — | — | — |
Applications
Where Na4O20Te4V4 is used.
Frequently Asked Questions
Common questions about Na4O20Te4V4, answered from cross-validated data.
What is Na4O20Te4V4?
Na4O20Te4V4 is a thermodynamically stable, insulating quaternary oxide composed of sodium, oxygen, tellurium, and vanadium.
What is Na4O20Te4V4 used for?
What is the band gap of Na4O20Te4V4?
Is Na4O20Te4V4 a metal, semiconductor, or insulator?
Is Na4O20Te4V4 thermodynamically stable?
What is the crystal structure of Na4O20Te4V4?
What is the density of Na4O20Te4V4?
How many polymorphs of Na4O20Te4V4 are known?
What elements does Na4O20Te4V4 contain?
Where does the data for Na4O20Te4V4 come from?
How It Compares
As a unique quaternary oxide, Na4O20Te4V4 occupies a distinct position in materials science, serving as a stable reference point for complex sodium-tellurium-vanadium systems. Unlike more common binary or ternary oxides, this compound demonstrates the structural complexity achievable within its chemical family while maintaining thermodynamic stability.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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