KPb2
KPb2 is a metallic intermetallic compound of potassium and lead that is considered a stable and synthesizable material for research.
About KPb2
KPb2 is a metallic intermetallic compound composed of potassium and lead. Its electronic structure indicates a clear metallic character, which is typical for binary alloys formed between alkali metals and heavy p-block elements.
As a near-hull material, this compound is considered highly likely to be synthesizable under laboratory conditions. Its structural diversity is well-documented, with numerous reported configurations across major materials databases, highlighting its significance in fundamental alloy studies.
Key Properties
Cross-validated computational properties for KPb2, 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 KPb2. 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.
Synthesis Routes
Literature-extracted synthesis procedures targeting KPb2.
Applications
Where KPb2 is used.
Frequently Asked Questions
Common questions about KPb2, answered from cross-validated data.
What is KPb2?
KPb2 is a metallic intermetallic compound of potassium and lead that is considered a stable and synthesizable material for research.
What is KPb2 used for?
What is the band gap of KPb2?
Is KPb2 a metal, semiconductor, or insulator?
Is KPb2 thermodynamically stable?
How many polymorphs of KPb2 are known?
How is KPb2 synthesized?
What elements does KPb2 contain?
Where does the data for KPb2 come from?
How It Compares
As a binary intermetallic, KPb2 serves as a foundational example of alkali-lead bonding behavior, providing a baseline for understanding the structural and electronic trends within this specific class of metallic compounds.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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