O8Sr2W2
O8Sr2W2 is a thermodynamically stable, wide-gap insulating oxide composed of strontium, tungsten, and oxygen.

About O8Sr2W2
O8Sr2W2 is a complex oxide composed of strontium, tungsten, and oxygen. As a thermodynamically stable phase located on the convex hull, it represents a robust crystalline arrangement that maintains structural integrity under standard conditions. Its electronic character is defined as a wide-gap insulator, making it a subject of interest for fundamental studies in dielectric and insulating material science. The compound exhibits significant structural diversity, with multiple reported configurations across various databases, highlighting its versatile potential in solid-state chemistry. This structural richness suggests that O8Sr2W2 can adopt various symmetries, which is critical for tailoring its physical properties for specific technological applications. Its stability and insulating nature position it as a reliable candidate for research into advanced ceramic and electronic materials.
Key Properties
Cross-validated computational properties for O8Sr2W2, 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.
Applications
Where O8Sr2W2 is used.
Frequently Asked Questions
Common questions about O8Sr2W2, answered from cross-validated data.
What is O8Sr2W2?
O8Sr2W2 is a thermodynamically stable, wide-gap insulating oxide composed of strontium, tungsten, and oxygen.
What is O8Sr2W2 used for?
What is the band gap of O8Sr2W2?
Is O8Sr2W2 a metal, semiconductor, or insulator?
Is O8Sr2W2 thermodynamically stable?
How many polymorphs of O8Sr2W2 are known?
What elements does O8Sr2W2 contain?
Where does the data for O8Sr2W2 come from?
How It Compares
As a unique oxide phase, O8Sr2W2 serves as a foundational example of strontium-tungsten-oxygen chemistry. Without direct structural siblings in this specific grouping, it stands as a primary reference point for understanding the interplay between heavy metal cations and oxygen coordination in insulating ternary oxides.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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