Pb2WO5
Pb2WO5 is a metastable lead tungsten oxide that functions as a wide-gap insulator.
About Pb2WO5
Pb2WO5 is a complex oxide composed of lead, tungsten, and oxygen. As a wide-gap insulating material, it exhibits distinct electronic properties that differentiate it from typical metallic conductors, making it a subject of interest for fundamental solid-state studies.
This compound is characterized by its metastable nature, which presents unique challenges and opportunities for synthesis and structural characterization. With multiple reported structures across various databases, it remains a significant entry for researchers investigating the phase stability of lead-based ternary oxides.
Key Properties
Cross-validated computational properties for Pb2WO5, 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.
Frequently Asked Questions
Common questions about Pb2WO5, answered from cross-validated data.
What is Pb2WO5?
Pb2WO5 is a metastable lead tungsten oxide that functions as a wide-gap insulator.
What is the band gap of Pb2WO5?
Is Pb2WO5 a metal, semiconductor, or insulator?
Is Pb2WO5 thermodynamically stable?
How many polymorphs of Pb2WO5 are known?
What elements does Pb2WO5 contain?
Where does the data for Pb2WO5 come from?
How It Compares
As a member of the lead tungsten oxide family, Pb2WO5 occupies a niche position defined by its specific stoichiometry and metastable thermodynamic state. It serves as a critical reference point for understanding how the integration of heavy metal cations like lead influences the structural landscape of tungsten-based oxides.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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