Li2FeF5
Li2FeF5 is a wide-band-gap insulating fluoride compound that is thermodynamically stable enough to be a candidate for experimental synthesis.
About Li2FeF5
Li2FeF5 is an insulating fluoride material characterized by a wide electronic band gap. As a compound residing near the thermodynamic hull, it represents a promising candidate for experimental synthesis and structural investigation within the broader landscape of lithium-iron-fluorine systems. Its electronic nature makes it an interesting subject for studies focusing on dielectric properties and ionic transport mechanisms. Given the significant number of reported structures associated with this composition, it remains a focal point for researchers exploring the diversity of lithium-based fluoride frameworks. The material's stability profile suggests that it can be reliably accessed under controlled synthesis conditions, providing a stable platform for characterizing its unique lattice arrangements and potential electrochemical utility.
Key Properties
Cross-validated computational properties for Li2FeF5, 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 Li2FeF5 is used.
Frequently Asked Questions
Common questions about Li2FeF5, answered from cross-validated data.
What is Li2FeF5?
Li2FeF5 is a wide-band-gap insulating fluoride compound that is thermodynamically stable enough to be a candidate for experimental synthesis.
What is Li2FeF5 used for?
What is the band gap of Li2FeF5?
Is Li2FeF5 a metal, semiconductor, or insulator?
Is Li2FeF5 thermodynamically stable?
How many polymorphs of Li2FeF5 are known?
What elements does Li2FeF5 contain?
Where does the data for Li2FeF5 come from?
How It Compares
As a distinct lithium-iron-fluoride, Li2FeF5 occupies a unique position in materials science where its structural flexibility allows for multiple configurations. Unlike more common binary fluorides, this ternary system offers a more complex coordination environment for iron, which is essential for tailoring the electronic properties of insulating materials in this class.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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