FeF2
Iron(II) fluoride · Ferrous fluoride
Iron(II) fluoride is a stable, semiconducting inorganic compound widely studied for its diverse structural configurations and fundamental material properties.
About Iron(II) fluoride
Iron(II) fluoride is a thermodynamically stable inorganic compound that exists as a semiconducting material. Its position on the convex hull underscores its structural reliability, making it a significant subject of study within materials science research. With a vast array of reported structures documented across major databases, this compound serves as a critical reference point for understanding transition metal halide behavior. Its electronic character and stability make it a foundational material for investigating magnetic and chemical properties in solid-state systems.
Key Properties
Cross-validated computational properties for Iron(II) fluoride, 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 Iron(II) fluoride is used.
Patent Landscape
1 patent reference FeF2 or close compositional variants.
| Patent | Title | Assignee | Granted |
|---|---|---|---|
| 9231246 | Carbon-FeF2 and carbon-Fe203 nanocomposites, their preparation and use as electrochemical storage material | — | — |
Frequently Asked Questions
Common questions about Iron(II) fluoride, answered from cross-validated data.
What is FeF2?
Iron(II) fluoride is a stable, semiconducting inorganic compound widely studied for its diverse structural configurations and fundamental material properties.
What is FeF2 used for?
What is the band gap of FeF2?
Is FeF2 a metal, semiconductor, or insulator?
Is FeF2 thermodynamically stable?
How many polymorphs of FeF2 are known?
What elements does FeF2 contain?
Where does the data for FeF2 come from?
How It Compares
As a distinct transition metal halide, iron(II) fluoride serves as a primary example of stable binary fluoride systems, providing essential insights into the structural diversity and electronic behavior characteristic of this chemical class.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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