Hf2Pt1Re1
Hf2Pt1Re1 is a semimetallic ternary alloy composed of hafnium, platinum, and rhenium, primarily investigated for its potential catalytic properties.
About Hf2Pt1Re1
Hf2Pt1Re1 is a complex intermetallic compound belonging to the platinum-group alloy catalyst class. Characterized by a near-zero-gap electronic structure, it functions as a semimetal, which is a critical feature for materials intended to facilitate rapid charge transfer in catalytic environments.
While this material exhibits significant structural diversity with numerous reported configurations, it is categorized as thermodynamically unstable relative to its constituent elements. This suggests that its synthesis and practical application require precise control over processing conditions to stabilize the desired atomic arrangement.
Key Properties
Cross-validated computational properties for Hf2Pt1Re1, aggregated across 2 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 Hf2Pt1Re1 is used.
Frequently Asked Questions
Common questions about Hf2Pt1Re1, answered from cross-validated data.
What is Hf2Pt1Re1?
Hf2Pt1Re1 is a semimetallic ternary alloy composed of hafnium, platinum, and rhenium, primarily investigated for its potential catalytic properties.
What is Hf2Pt1Re1 used for?
What is the band gap of Hf2Pt1Re1?
Is Hf2Pt1Re1 a metal, semiconductor, or insulator?
Is Hf2Pt1Re1 thermodynamically stable?
How many polymorphs of Hf2Pt1Re1 are known?
What elements does Hf2Pt1Re1 contain?
Where does the data for Hf2Pt1Re1 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse family of platinum-group alloys, Hf2Pt1Re1 stands out for its unique combination of hafnium, platinum, and rhenium, contrasting with binary systems like As2Pt or GeRu. Unlike more stable binary counterparts, Hf2Pt1Re1 represents a more complex ternary phase that pushes the boundaries of phase space, requiring careful structural design compared to the more straightforward bonding environments found in compounds like BaPd.
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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