AlRh
AlRh is a stable, metallic intermetallic compound composed of aluminum and rhodium used in catalytic research.
About AlRh
AlRh is a robust intermetallic compound belonging to the platinum-group alloy class. Its metallic nature and position on the thermodynamic convex hull make it a structurally reliable candidate for high-performance chemical processes. The compound is well-documented in materials databases, reflecting its significance in fundamental research and potential industrial utility. By combining aluminum with rhodium, this material leverages the catalytic prowess of noble metals while maintaining structural integrity. It is primarily investigated for its potential in specialized catalytic reactions where stability and electronic conductivity are critical requirements.
Key Properties
Cross-validated computational properties for AlRh, 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 AlRh is used.
Frequently Asked Questions
Common questions about AlRh, answered from cross-validated data.
What is AlRh?
AlRh is a stable, metallic intermetallic compound composed of aluminum and rhodium used in catalytic research.
What is AlRh used for?
What is the band gap of AlRh?
Is AlRh a metal, semiconductor, or insulator?
Is AlRh thermodynamically stable?
How many polymorphs of AlRh are known?
What elements does AlRh contain?
Where does the data for AlRh come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse family of platinum-group alloys, AlRh distinguishes itself through its high thermodynamic stability compared to more complex or less ordered siblings like As2Pt or Ga2Ru. While many members of this class are utilized for their specific surface reactivity, AlRh is notable for its structural simplicity and consistent behavior as a metallic catalyst, contrasting with the more varied electronic environments found in compounds like LaRh or BaPd.
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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