UI4
Uranium tetraiodide is a stable, semiconducting uranium-iodine compound used in fundamental materials research.
About UI4
Uranium tetraiodide is a distinct inorganic compound composed of uranium and iodine. As a thermodynamically stable material situated on the convex hull, it represents a well-defined chemical species within its structural group.
Characterized as a semiconductor, this compound is of interest for its electronic properties and structural versatility. Its existence across multiple reported structures highlights its significance in fundamental materials research and actinide chemistry.
Key Properties
Cross-validated computational properties for UI4, 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 UI4 is used.
Frequently Asked Questions
Common questions about UI4, answered from cross-validated data.
What is UI4?
Uranium tetraiodide is a stable, semiconducting uranium-iodine compound used in fundamental materials research.
What is UI4 used for?
What is the band gap of UI4?
Is UI4 a metal, semiconductor, or insulator?
Is UI4 thermodynamically stable?
How many polymorphs of UI4 are known?
What elements does UI4 contain?
Where does the data for UI4 come from?
How It Compares
As a standalone entry in this context, uranium tetraiodide serves as a primary reference point for uranium-iodine systems. Its stability and semiconducting nature provide a benchmark for understanding the bonding and electronic behavior of heavy metal halides.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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