Li3CuF5
Li3CuF5 is a metastable semiconducting compound composed of lithium, copper, and fluorine.

About Li3CuF5
Li3CuF5 is a complex ternary fluoride that exhibits semiconducting electronic behavior. As a metastable phase, it represents a specialized configuration within the broader landscape of lithium-copper-fluorine systems, providing researchers with insights into the structural diversity of transition metal fluorides.
Its existence is documented across multiple structural databases, highlighting its significance in fundamental materials science. While it remains a niche compound, its specific atomic arrangement offers a unique case study for understanding the stability and electronic properties of metastable inorganic fluorides.
Key Properties
Cross-validated computational properties for Li3CuF5, 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 Li3CuF5 is used.
Frequently Asked Questions
Common questions about Li3CuF5, answered from cross-validated data.
What is Li3CuF5?
Li3CuF5 is a metastable semiconducting compound composed of lithium, copper, and fluorine.
What is Li3CuF5 used for?
What is the band gap of Li3CuF5?
Is Li3CuF5 a metal, semiconductor, or insulator?
Is Li3CuF5 thermodynamically stable?
How many polymorphs of Li3CuF5 are known?
What elements does Li3CuF5 contain?
Where does the data for Li3CuF5 come from?
How It Compares
As a metastable semiconducting fluoride, Li3CuF5 occupies a distinct position in materials research, serving as a specialized subject for those investigating the limits of phase stability in ternary metal fluoride systems.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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