SiAs2
SiAs2 is a stable, semiconducting silicon-arsenic compound investigated for its potential to improve the performance and longevity of battery anode materials.
About SiAs2
SiAs2 is a semiconducting compound that occupies a stable position on the convex hull, indicating significant thermodynamic robustness. Its unique electronic properties and structural stability make it a subject of intense interest for advanced anode development in next-generation battery technologies.
As a member of the silicon-based anode material class, this compound leverages the high capacity of silicon while potentially mitigating the mechanical degradation issues common in pure silicon electrodes. Its presence in multiple structural databases highlights its viability as a reliable building block for electrochemical applications.
Key Properties
Cross-validated computational properties for SiAs2, 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 SiAs2 is used.
Frequently Asked Questions
Common questions about SiAs2, answered from cross-validated data.
What is SiAs2?
SiAs2 is a stable, semiconducting silicon-arsenic compound investigated for its potential to improve the performance and longevity of battery anode materials.
What is SiAs2 used for?
What is the band gap of SiAs2?
Is SiAs2 a metal, semiconductor, or insulator?
Is SiAs2 thermodynamically stable?
How many polymorphs of SiAs2 are known?
What elements does SiAs2 contain?
Where does the data for SiAs2 come from?
How It Compares
Within the silicon anode materials class.
Unlike the metallic or highly reactive silicides such as FeSi or NaSi, SiAs2 offers a distinct semiconducting profile that balances stability with electrochemical performance. While elemental silicon remains the benchmark for anode capacity, SiAs2 provides a more structurally stable alternative that avoids the extreme volume expansion challenges often observed in pure silicon systems.
Related Compounds
Other Silicon Anode Materials in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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