YI3
Yttrium triiodide is a thermodynamically stable, insulating rare-earth halide used in specialized chemical applications.
About YI3
Yttrium triiodide is a stable inorganic compound characterized by its insulating electronic nature. As a member of the rare-earth halide family, it exhibits significant structural diversity, with numerous documented configurations across major material databases. Its thermodynamic stability on the convex hull underscores its robustness as a crystalline material. This compound is primarily utilized in specialized chemical synthesis and as a precursor for advanced material development where high-purity yttrium sources are required. Its wide-band-gap profile makes it an interesting subject for studies involving optical and electronic insulation properties in solid-state chemistry.
Key Properties
Cross-validated computational properties for YI3, 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 YI3 is used.
Frequently Asked Questions
Common questions about YI3, answered from cross-validated data.
What is YI3?
Yttrium triiodide is a thermodynamically stable, insulating rare-earth halide used in specialized chemical applications.
What is YI3 used for?
What is the band gap of YI3?
Is YI3 a metal, semiconductor, or insulator?
Is YI3 thermodynamically stable?
How many polymorphs of YI3 are known?
What elements does YI3 contain?
Where does the data for YI3 come from?
How It Compares
As a distinct rare-earth triiodide, YI3 serves as a fundamental reference point for understanding the structural and electronic trends within the broader class of lanthanide and yttrium-based halides. Its position on the convex hull highlights its stability relative to other halide systems, providing a reliable baseline for researchers investigating the synthesis and reactivity of metal-iodide frameworks.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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