Ga3Rh
Ga3Rh is a metallic gallium-rhodium alloy that is thermodynamically stable and serves as a subject of interest in the study of platinum-group catalysts.
About Ga3Rh
Ga3Rh is a metallic intermetallic compound composed of gallium and rhodium. As a member of the platinum-group alloy catalyst class, it exhibits the characteristic conductive properties of a metal, lacking a band gap and showing strong electronic interactions between the transition metal and the post-transition element.
The compound is considered near-hull, indicating that it is thermodynamically stable and likely synthesizable under appropriate experimental conditions. Its structural profile is well-documented, with numerous reported configurations across major materials databases, highlighting its significance in fundamental alloy research.
Key Properties
Cross-validated computational properties for Ga3Rh, 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.
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of Ga3Rh. Tight agreement means computed properties can be trusted without re-running calculations.
Agreement ScoreA normalized confidence score summarizing how closely independent DFT databases agree. Higher scores mean tighter cross-source agreement.
Hull SpreadDifference between the highest and lowest energy-above-hull values reported by comparable sources. Smaller spread means less thermodynamic disagreement.
Sources ComparedNumber and names of computational sources with comparable entries for this formula.
Space Group ConsensusWhether independent sources predict the same crystal symmetry for the lowest-energy structure.
Applications
Where Ga3Rh is used.
Frequently Asked Questions
Common questions about Ga3Rh, answered from cross-validated data.
What is Ga3Rh?
Ga3Rh is a metallic gallium-rhodium alloy that is thermodynamically stable and serves as a subject of interest in the study of platinum-group catalysts.
What is Ga3Rh used for?
What is the band gap of Ga3Rh?
Is Ga3Rh a metal, semiconductor, or insulator?
Is Ga3Rh thermodynamically stable?
How many polymorphs of Ga3Rh are known?
What elements does Ga3Rh contain?
Where does the data for Ga3Rh come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse landscape of platinum-group alloys, Ga3Rh occupies a distinct niche compared to siblings like Ga2Ru or LaRh. While many members of this class are explored for their specific catalytic activities, Ga3Rh stands out due to its specific stoichiometry and the structural versatility it displays across multiple reported phases.
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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