Ca2Si
Ca2Si is a thermodynamically stable semiconducting silicide compound widely researched for its potential as a high-performance anode material in advanced battery technologies.
About Ca2Si
Ca2Si is a semiconducting intermetallic compound that occupies a stable position on the convex hull, indicating robust thermodynamic favorability. As a member of the silicide family, it serves as a critical subject of study for material scientists investigating structural transformations in energy storage systems.
Its structural complexity is evidenced by a significant number of reported configurations across major materials databases. This diversity in atomic arrangement makes it a compelling candidate for researchers aiming to tune the electrochemical properties of silicon-based anodes for improved battery performance.
Key Properties
Cross-validated computational properties for Ca2Si, 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.
Synthesis Routes
Literature-extracted synthesis procedures targeting Ca2Si.
Applications
Where Ca2Si is used.
Frequently Asked Questions
Common questions about Ca2Si, answered from cross-validated data.
What is Ca2Si?
Ca2Si is a thermodynamically stable semiconducting silicide compound widely researched for its potential as a high-performance anode material in advanced battery technologies.
What is Ca2Si used for?
What is the band gap of Ca2Si?
Is Ca2Si a metal, semiconductor, or insulator?
Is Ca2Si thermodynamically stable?
How many polymorphs of Ca2Si are known?
How is Ca2Si synthesized?
What elements does Ca2Si contain?
Where does the data for Ca2Si come from?
How It Compares
Within the silicon anode materials class.
Within the broader class of silicon anode materials, Ca2Si distinguishes itself through its specific alkaline-earth stoichiometry compared to the transition metal silicides like FeSi or MoSi2. While it shares a silicide foundation with Mg2Si, its unique calcium-based framework offers distinct mechanical and electronic characteristics that differentiate it from both simple elemental silicon and more complex binary systems like BaSi2.
Related Compounds
Other Silicon Anode Materials in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
Analyze Ca2Si in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →