LaPt2
LaPt2 is a metallic intermetallic alloy of lanthanum and platinum that is considered a promising candidate for catalytic research due to its structural stability.
About LaPt2
LaPt2 is a metallic intermetallic compound composed of lanthanum and platinum. As a member of the platinum-group alloy catalyst class, it exhibits robust electronic properties characteristic of transition metal systems, lacking a band gap and facilitating efficient electron transport. Its status as a near-hull phase suggests it is a viable candidate for experimental synthesis and characterization. The material is notable for its high structural diversity, with multiple reported configurations across various crystallographic databases, reflecting its complex bonding nature. These features make it a compelling subject for researchers investigating the interplay between rare-earth elements and noble metals in catalytic applications.
Key Properties
Cross-validated computational properties for LaPt2, aggregated across 5 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 LaPt2. 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 LaPt2 is used.
Frequently Asked Questions
Common questions about LaPt2, answered from cross-validated data.
What is LaPt2?
LaPt2 is a metallic intermetallic alloy of lanthanum and platinum that is considered a promising candidate for catalytic research due to its structural stability.
What is LaPt2 used for?
What is the band gap of LaPt2?
Is LaPt2 a metal, semiconductor, or insulator?
Is LaPt2 thermodynamically stable?
How many polymorphs of LaPt2 are known?
What elements does LaPt2 contain?
Where does the data for LaPt2 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse family of platinum-group alloy catalysts, LaPt2 occupies a unique niche compared to siblings like As2Pt or Ga2Ru. While many members of this class are explored for their specific stoichiometry and surface reactivity, LaPt2 stands out due to the inclusion of a lanthanide component, which significantly influences its electronic structure and potential for specialized catalytic pathways compared to the more common transition-metal-only or p-block-alloyed counterparts.
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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