AlIr
AlIr is a stable, metallic intermetallic compound formed from aluminum and iridium that is frequently studied for its structural properties and potential catalytic utility.
About AlIr
AlIr is a robust intermetallic compound composed of aluminum and iridium. As a member of the platinum-group alloy family, it exhibits a distinct metallic electronic character and maintains high thermodynamic stability, ensuring it remains on the convex hull under standard conditions. This structural reliability makes it a subject of significant interest in materials science research. The compound is well-documented in structural databases, reflecting its importance in the study of transition metal aluminides. Its inherent stability and metallic nature suggest potential utility in advanced catalytic applications where durability and electronic conductivity are critical requirements.
Key Properties
Cross-validated computational properties for AlIr, 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.
Applications
Where AlIr is used.
Frequently Asked Questions
Common questions about AlIr, answered from cross-validated data.
What is AlIr?
AlIr is a stable, metallic intermetallic compound formed from aluminum and iridium that is frequently studied for its structural properties and potential catalytic utility.
What is AlIr used for?
What is the band gap of AlIr?
Is AlIr a metal, semiconductor, or insulator?
Is AlIr thermodynamically stable?
How many polymorphs of AlIr are known?
What elements does AlIr contain?
Where does the data for AlIr come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse group of platinum-group alloys, AlIr distinguishes itself through its exceptional thermodynamic stability compared to more complex phases like IrSe2 or As2Ir. While many members of this class serve as specialized catalysts, AlIr is notable for its structural simplicity and the extensive body of research documenting its various crystalline forms, positioning it as a fundamental reference point when evaluating the stability of other aluminide-based transition metal systems.
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
Analyze AlIr in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →