Br12Fe4K4
Br12Fe4K4 is a metastable, semimetallic iron-potassium bromide compound characterized by its complex structural diversity.
About Br12Fe4K4
Br12Fe4K4 is a complex inorganic compound composed of bromine, iron, and potassium. It exhibits a near-zero-gap electronic structure, placing it in the semimetallic regime, which makes it a subject of interest for fundamental studies in condensed matter physics.
As a metastable material, its synthesis and structural integrity are sensitive to external conditions. The existence of multiple reported structures across various databases highlights its structural complexity and the ongoing interest in characterizing its phase behavior.
Key Properties
Cross-validated computational properties for Br12Fe4K4, 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.
Frequently Asked Questions
Common questions about Br12Fe4K4, answered from cross-validated data.
What is Br12Fe4K4?
Br12Fe4K4 is a metastable, semimetallic iron-potassium bromide compound characterized by its complex structural diversity.
What is the band gap of Br12Fe4K4?
Is Br12Fe4K4 a metal, semiconductor, or insulator?
Is Br12Fe4K4 thermodynamically stable?
How many polymorphs of Br12Fe4K4 are known?
What elements does Br12Fe4K4 contain?
Where does the data for Br12Fe4K4 come from?
How It Compares
As a unique inorganic system, Br12Fe4K4 occupies a distinct niche in materials research. Without direct structural siblings, it serves as an important case study for understanding how iron-halide frameworks can be stabilized with alkali metal cations to achieve semimetallic electronic properties.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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