F28K8Nb4
F28K8Nb4 is a thermodynamically stable, wide-band-gap insulating fluoride compound containing potassium and niobium.
About F28K8Nb4
F28K8Nb4 is a complex fluoride compound characterized by its insulating electronic nature and wide band gap. As a thermodynamically stable phase residing on the convex hull, it represents a robust structural arrangement of potassium, niobium, and fluorine atoms.
This material is of significant interest in solid-state chemistry due to its structural stability. It serves as a specialized example of how niobium-based fluoride frameworks can maintain integrity under standard conditions, offering a unique platform for studying insulating inorganic lattices.
Key Properties
Cross-validated computational properties for F28K8Nb4, 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 F28K8Nb4 is used.
Frequently Asked Questions
Common questions about F28K8Nb4, answered from cross-validated data.
What is F28K8Nb4?
F28K8Nb4 is a thermodynamically stable, wide-band-gap insulating fluoride compound containing potassium and niobium.
What is F28K8Nb4 used for?
What is the band gap of F28K8Nb4?
Is F28K8Nb4 a metal, semiconductor, or insulator?
Is F28K8Nb4 thermodynamically stable?
How many polymorphs of F28K8Nb4 are known?
What elements does F28K8Nb4 contain?
Where does the data for F28K8Nb4 come from?
How It Compares
As a distinct niobium-containing fluoride, F28K8Nb4 occupies a unique niche in inorganic chemistry. While many related fluoride systems are explored for their ionic conductivity or optical properties, this compound is notable for its thermodynamic stability, which distinguishes it as a reliable structural reference point among complex metal-fluoride frameworks.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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