In2PbTl
In2PbTl is a semimetallic ternary alloy of indium, lead, and thallium that exhibits structural complexity despite its thermodynamic instability.
About In2PbTl
In2PbTl is a complex ternary compound composed of indium, lead, and thallium. It exhibits semimetallic electronic behavior, characterized by a near-zero band gap that suggests unique charge carrier dynamics typical of heavy metal alloys. The material is categorized as being above the thermodynamic hull, indicating that it is likely unstable under standard conditions. Despite this, it remains a subject of interest in materials science, with multiple reported structural configurations across various databases.
Key Properties
Cross-validated computational properties for In2PbTl, 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.
Frequently Asked Questions
Common questions about In2PbTl, answered from cross-validated data.
What is In2PbTl?
In2PbTl is a semimetallic ternary alloy of indium, lead, and thallium that exhibits structural complexity despite its thermodynamic instability.
What is the band gap of In2PbTl?
Is In2PbTl a metal, semiconductor, or insulator?
Is In2PbTl thermodynamically stable?
How many polymorphs of In2PbTl are known?
What elements does In2PbTl contain?
Where does the data for In2PbTl come from?
How It Compares
As a unique ternary intermetallic, In2PbTl occupies a specialized niche within the broader landscape of indium-lead-thallium systems. While it lacks direct structural siblings in this specific classification, its existence as a metastable phase highlights the complex phase space of heavy-element alloys where subtle variations in composition can lead to diverse, albeit transient, atomic arrangements.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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