Si2W3
Si2W3 is a metallic tungsten silicide compound studied primarily for its structural properties in the context of silicon-based energy storage materials.
About Si2W3
Si2W3 is a metallic silicide compound composed of silicon and tungsten. As a member of the silicon anode material class, it represents a complex system that has been extensively documented across multiple structural databases, reflecting significant interest in its atomic arrangement and potential electrochemical behavior.
Due to its position above the thermodynamic hull, this compound is considered metastable. Its metallic electronic character distinguishes it from many traditional semiconductor-based anode materials, making it a subject of fundamental study for researchers seeking to understand how transition metal silicides can be engineered for energy storage applications.
Key Properties
Cross-validated computational properties for Si2W3, 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.
Applications
Where Si2W3 is used.
Frequently Asked Questions
Common questions about Si2W3, answered from cross-validated data.
What is Si2W3?
Si2W3 is a metallic tungsten silicide compound studied primarily for its structural properties in the context of silicon-based energy storage materials.
What is Si2W3 used for?
What is the band gap of Si2W3?
Is Si2W3 a metal, semiconductor, or insulator?
Is Si2W3 thermodynamically stable?
How many polymorphs of Si2W3 are known?
What elements does Si2W3 contain?
Where does the data for Si2W3 come from?
How It Compares
Within the silicon anode materials class.
Within the diverse landscape of silicon-based anode materials, Si2W3 stands out as a metallic transition metal silicide, contrasting sharply with the semiconductor nature of elemental Si or the more common silicides like Mg2Si and MoSi2. While materials like FeSi or BaSi2 are often explored for their specific electronic properties, Si2W3 represents a more complex, metastable phase that challenges standard design paradigms for stable battery electrodes.
Related Compounds
Other Silicon Anode Materials in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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