PbPdY2
PbPdY2 is a semimetallic ternary alloy containing lead, palladium, and yttrium that is currently studied for its electronic properties and structural complexity.
About PbPdY2
PbPdY2 is a complex ternary intermetallic compound categorized within the platinum-group alloy catalysts. Characterized by a near-zero-gap electronic structure, it functions as a semimetallic material that bridges the gap between metallic conductors and insulating phases.
Due to its position above the thermodynamic hull, this compound is considered metastable, reflecting the intricate energetic landscape of palladium-based alloys. Its study contributes to the fundamental understanding of how rare-earth elements like yttrium influence the stability and electronic behavior of transition metal systems.
Key Properties
Cross-validated computational properties for PbPdY2, aggregated across 3 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 PbPdY2 is used.
Frequently Asked Questions
Common questions about PbPdY2, answered from cross-validated data.
What is PbPdY2?
PbPdY2 is a semimetallic ternary alloy containing lead, palladium, and yttrium that is currently studied for its electronic properties and structural complexity.
What is PbPdY2 used for?
What is the band gap of PbPdY2?
Is PbPdY2 a metal, semiconductor, or insulator?
Is PbPdY2 thermodynamically stable?
How many polymorphs of PbPdY2 are known?
What elements does PbPdY2 contain?
Where does the data for PbPdY2 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse class of platinum-group alloys, PbPdY2 occupies a unique niche compared to more stable, binary counterparts such as BaPd or GeRu. While many of its siblings are recognized for their robust structural integrity, PbPdY2 exhibits a more sensitive thermodynamic profile, highlighting the challenges of synthesizing complex ternary phases compared to the simpler, well-characterized binary systems in this group.
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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