K3NbSe4
K3NbSe4 is a thermodynamically stable semiconducting material composed of potassium, niobium, and selenium.
About K3NbSe4
K3NbSe4 is a semiconducting ternary chalcogenide that occupies a stable position on the thermodynamic convex hull. Its composition, featuring potassium, niobium, and selenium, suggests a complex structural arrangement typical of materials that balance ionic and covalent bonding characteristics.
As a stable compound with multiple reported structural variants across databases, K3NbSe4 serves as a significant subject for researchers investigating the electronic properties of niobium-based chalcogenides. Its semiconducting nature makes it a candidate for fundamental studies in solid-state chemistry and potential electronic applications.
Key Properties
Cross-validated computational properties for K3NbSe4, 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.
Applications
Where K3NbSe4 is used.
Frequently Asked Questions
Common questions about K3NbSe4, answered from cross-validated data.
What is K3NbSe4?
K3NbSe4 is a thermodynamically stable semiconducting material composed of potassium, niobium, and selenium.
What is K3NbSe4 used for?
What is the band gap of K3NbSe4?
Is K3NbSe4 a metal, semiconductor, or insulator?
Is K3NbSe4 thermodynamically stable?
How many polymorphs of K3NbSe4 are known?
What elements does K3NbSe4 contain?
Where does the data for K3NbSe4 come from?
How It Compares
As a standalone entry in this specific structural class, K3NbSe4 represents a baseline for understanding the stability and electronic behavior of alkali-metal niobium selenides. Its position on the convex hull highlights its robust formation energy, setting a benchmark for future investigations into related ternary or quaternary chalcogenide systems.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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