K2W2O7
K2W2O7 is a thermodynamically stable potassium tungstate semiconductor used in materials research.
About K2W2O7
K2W2O7 is a potassium tungstate compound that exhibits semiconducting electronic behavior. As a thermodynamically stable phase located on the convex hull, it represents a robust crystalline arrangement within the potassium-tungsten-oxygen system.
This material is of significant interest for researchers investigating complex oxide frameworks. Its structural stability and electronic nature make it a candidate for studies involving ion transport and solid-state chemistry applications.
Key Properties
Cross-validated computational properties for K2W2O7, 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 K2W2O7 is used.
Frequently Asked Questions
Common questions about K2W2O7, answered from cross-validated data.
What is K2W2O7?
K2W2O7 is a thermodynamically stable potassium tungstate semiconductor used in materials research.
What is K2W2O7 used for?
What is the band gap of K2W2O7?
Is K2W2O7 a metal, semiconductor, or insulator?
Is K2W2O7 thermodynamically stable?
How many polymorphs of K2W2O7 are known?
What elements does K2W2O7 contain?
Where does the data for K2W2O7 come from?
How It Compares
As a stable member of the potassium tungstate family, K2W2O7 serves as a foundational reference point for understanding the phase space of ternary tungsten oxides. Its presence on the convex hull highlights its durability compared to metastable configurations, positioning it as a reliable subject for experimental characterization.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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