Al2Ru
Al2Ru is a stable, semimetallic ruthenium-aluminum alloy used in advanced catalytic research.
About Al2Ru
Al2Ru is a thermodynamically stable intermetallic compound belonging to the platinum-group alloy catalyst class. As a semimetallic material, it exhibits electronic properties that bridge the gap between conductors and semiconductors, making it a subject of significant interest for specialized catalytic applications.
The compound sits firmly on the convex hull, indicating robust thermodynamic stability. Its structural versatility is highlighted by a high volume of reported configurations across major materials databases, cementing its status as a foundational member of ruthenium-based binary systems.
Key Properties
Cross-validated computational properties for Al2Ru, 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 Al2Ru is used.
Frequently Asked Questions
Common questions about Al2Ru, answered from cross-validated data.
What is Al2Ru?
Al2Ru is a stable, semimetallic ruthenium-aluminum alloy used in advanced catalytic research.
What is Al2Ru used for?
What is the band gap of Al2Ru?
Is Al2Ru a metal, semiconductor, or insulator?
Is Al2Ru thermodynamically stable?
How many polymorphs of Al2Ru are known?
What elements does Al2Ru contain?
Where does the data for Al2Ru come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse family of platinum-group alloys, Al2Ru stands out for its structural prevalence compared to more complex or less stable counterparts like BaPd or LaRh. While it shares the catalytic potential inherent to ruthenium-based systems, it offers a distinct semimetallic electronic profile that differentiates it from the more insulating or metallic behaviors observed in siblings such as Ga2Ru or GeRu.
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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