Si7Ge
Si7Ge is a semiconducting silicon-germanium alloy being explored as a high-performance anode material for advanced battery technologies.
About Si7Ge
Si7Ge is a semiconducting intermetallic compound composed of silicon and germanium. As a member of the silicon anode materials class, it is investigated for its potential to improve the electrochemical performance of next-generation lithium-ion batteries by balancing structural stability with high capacity.
This material is considered near-hull in thermodynamic stability, suggesting it is a viable candidate for synthesis and experimental characterization. Its structural diversity, evidenced by multiple reported configurations, makes it a subject of interest for researchers seeking to optimize anode materials for energy density and cycle life.
Key Properties
Cross-validated computational properties for Si7Ge, 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 Si7Ge is used.
Frequently Asked Questions
Common questions about Si7Ge, answered from cross-validated data.
What is Si7Ge?
Si7Ge is a semiconducting silicon-germanium alloy being explored as a high-performance anode material for advanced battery technologies.
What is Si7Ge used for?
What is the band gap of Si7Ge?
Is Si7Ge a metal, semiconductor, or insulator?
Is Si7Ge thermodynamically stable?
How many polymorphs of Si7Ge are known?
What elements does Si7Ge contain?
Where does the data for Si7Ge come from?
How It Compares
Within the silicon anode materials class.
Within the diverse landscape of silicon anode materials, Si7Ge occupies a distinct niche compared to more common binary systems like Mg2Si or BaSi2. While materials like pure Si are standard benchmarks, Si7Ge offers a unique structural framework that differentiates it from the silicide-heavy class members such as FeSi or MoSi2, focusing instead on the synergistic alloying effects of silicon and germanium.
Related Compounds
Other Silicon Anode Materials in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
Analyze Si7Ge in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →