EuSi
EuSi is a thermodynamically stable metallic compound composed of europium and silicon that is primarily studied for its diverse structural properties.
About EuSi
EuSi is a metallic silicide that occupies a stable position on the thermodynamic convex hull. Its electronic character distinguishes it from many insulating or semiconducting silicon-based compounds, making it a subject of interest for fundamental studies in solid-state chemistry and materials design. The compound exhibits significant structural complexity, with numerous reported phases across various databases, highlighting its versatile bonding nature. This structural richness is vital for understanding phase stability in silicon-bearing systems and provides a unique platform for exploring the interactions between rare-earth elements and silicon. It is primarily utilized in advanced materials research to investigate the properties of metal silicides.
Key Properties
Cross-validated computational properties for EuSi, 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.
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of EuSi. Tight agreement means computed properties can be trusted without re-running calculations.
Agreement ScoreA normalized confidence score summarizing how closely independent DFT databases agree. Higher scores mean tighter cross-source agreement.
Hull SpreadDifference between the highest and lowest energy-above-hull values reported by comparable sources. Smaller spread means less thermodynamic disagreement.
Sources ComparedNumber and names of computational sources with comparable entries for this formula.
Space Group ConsensusWhether independent sources predict the same crystal symmetry for the lowest-energy structure.
Synthesis Routes
Literature-extracted synthesis procedures targeting EuSi.
Applications
Where EuSi is used.
Frequently Asked Questions
Common questions about EuSi, answered from cross-validated data.
What is EuSi?
EuSi is a thermodynamically stable metallic compound composed of europium and silicon that is primarily studied for its diverse structural properties.
What is EuSi used for?
What is the band gap of EuSi?
Is EuSi a metal, semiconductor, or insulator?
Is EuSi thermodynamically stable?
How many polymorphs of EuSi are known?
How is EuSi synthesized?
What elements does EuSi contain?
Where does the data for EuSi come from?
How It Compares
Within the silicon anode materials class.
Unlike the semiconducting or insulating behavior often observed in common silicon-based materials like Si or BaSi2, EuSi maintains a distinct metallic electronic character. While compounds such as Mg2Si and MoSi2 are frequently studied for their specific industrial utility in electronics or high-temperature coatings, EuSi stands out for its structural polymorphism, offering a different set of crystalline configurations compared to the more rigid frameworks found in other silicides.
Related Compounds
Other Silicon Anode Materials in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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