Ir4
Ir4 is a thermodynamically stable metallic alloy composed entirely of iridium that serves as a specialized catalyst in materials science.
About Ir4
Ir4 is a metallic compound belonging to the platinum-group alloy catalyst class. Its status as a thermodynamically stable phase on the convex hull underscores its structural integrity and potential for robust performance in demanding catalytic environments. The material is characterized by a high degree of structural diversity, as evidenced by the extensive number of reported structures across multiple databases. This complexity suggests a versatile atomic arrangement that is highly valued in fundamental materials research. As a metallic system, it offers unique electronic properties that are essential for facilitating complex chemical reactions, making it a subject of significant interest for researchers focusing on high-performance catalytic materials. Its stability ensures that it remains a reliable candidate for long-term applications where structural degradation is a primary concern.
Key Properties
Cross-validated computational properties for Ir4, aggregated across 5 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.
Synthesis Routes
Literature-extracted synthesis procedures targeting Ir4.
Applications
Where Ir4 is used.
Frequently Asked Questions
Common questions about Ir4, answered from cross-validated data.
What is Ir4?
Ir4 is a thermodynamically stable metallic alloy composed entirely of iridium that serves as a specialized catalyst in materials science.
What is Ir4 used for?
What is the band gap of Ir4?
Is Ir4 a metal, semiconductor, or insulator?
Is Ir4 thermodynamically stable?
How many polymorphs of Ir4 are known?
How is Ir4 synthesized?
What elements does Ir4 contain?
Where does the data for Ir4 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse family of platinum-group alloys, Ir4 stands out for its unique elemental composition compared to multi-element counterparts like As2Ir or P3Ru. While many members of this class involve combinations of transition metals with p-block elements, Ir4 represents a specialized metallic configuration that serves as a benchmark for understanding pure-element-dominated alloy behavior in catalytic research.
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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