K4V2O7
K4V2O7 is a stable, wide-band-gap insulating oxide containing potassium and vanadium.
About K4V2O7
K4V2O7 is a complex oxide composed of potassium, vanadium, and oxygen. As a thermodynamically stable compound residing on the convex hull, it exhibits a robust structural framework that makes it a significant subject for fundamental solid-state research.
Characterized as a wide-band-gap insulator, this material possesses electronic properties typical of stable dielectric oxides. Its structural diversity, evidenced by multiple reported configurations, highlights its versatility in coordination chemistry and potential utility in specialized electronic or optical applications.
Key Properties
Cross-validated computational properties for K4V2O7, 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.
Applications
Where K4V2O7 is used.
Frequently Asked Questions
Common questions about K4V2O7, answered from cross-validated data.
What is K4V2O7?
K4V2O7 is a stable, wide-band-gap insulating oxide containing potassium and vanadium.
What is K4V2O7 used for?
What is the band gap of K4V2O7?
Is K4V2O7 a metal, semiconductor, or insulator?
Is K4V2O7 thermodynamically stable?
How many polymorphs of K4V2O7 are known?
What elements does K4V2O7 contain?
Where does the data for K4V2O7 come from?
How It Compares
As a standalone representative of its specific stoichiometry, K4V2O7 serves as a foundational reference point for potassium-vanadium-oxygen phase studies, demonstrating the high structural stability required for reliable performance in complex oxide systems.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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