HfPt3
HfPt3 is a stable metallic alloy composed of hafnium and platinum that is primarily studied for its potential as a high-performance catalyst.

About HfPt3
HfPt3 is a metallic intermetallic compound belonging to the class of platinum-group alloy catalysts. As a thermodynamically stable phase located on the convex hull, it represents a robust structural configuration within its binary system, reflecting the strong chemical affinity between hafnium and platinum. Its metallic nature ensures efficient electron transport, which is a critical feature for catalytic activity in various electrochemical environments. The compound is characterized by significant structural diversity, with numerous reported arrangements across material databases, highlighting its complex and well-documented crystalline landscape. This structural richness makes it a subject of interest for researchers seeking to tune catalytic performance through atomic-scale modifications.
Key Properties
Cross-validated computational properties for HfPt3, 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 HfPt3 is used.
Frequently Asked Questions
Common questions about HfPt3, answered from cross-validated data.
What is HfPt3?
HfPt3 is a stable metallic alloy composed of hafnium and platinum that is primarily studied for its potential as a high-performance catalyst.
What is HfPt3 used for?
What is the band gap of HfPt3?
Is HfPt3 a metal, semiconductor, or insulator?
Is HfPt3 thermodynamically stable?
How many polymorphs of HfPt3 are known?
What elements does HfPt3 contain?
Where does the data for HfPt3 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse family of platinum-group alloy catalysts, HfPt3 distinguishes itself through its exceptional thermodynamic stability compared to more volatile or metastable counterparts like As2Pt or GeRu. While many members of this class are investigated for specific surface-active properties, HfPt3 offers a highly ordered, stable framework that serves as a reliable baseline for studying the synergistic effects of hafnium-platinum bonding in catalytic applications.
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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