Eu2Fe2O5
Eu2Fe2O5 is a semimetallic oxide containing europium and iron that is studied for its potential role in oxygen-evolution catalytic processes.
About Eu2Fe2O5
Eu2Fe2O5 is a complex oxide containing europium and iron, categorized within the family of oxygen-evolution catalysts. Its electronic character is defined as near-zero-gap, placing it in the semimetallic regime, which is a significant factor when evaluating its potential for electrochemical charge transfer processes. The material is noted for being thermodynamically unstable, sitting above the hull in stability assessments. Despite this, it remains a subject of interest in materials research, with multiple structural configurations documented across various databases, reflecting the complexity of its phase space.
Key Properties
Cross-validated computational properties for Eu2Fe2O5, 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 Eu2Fe2O5 is used.
Frequently Asked Questions
Common questions about Eu2Fe2O5, answered from cross-validated data.
What is Eu2Fe2O5?
Eu2Fe2O5 is a semimetallic oxide containing europium and iron that is studied for its potential role in oxygen-evolution catalytic processes.
What is Eu2Fe2O5 used for?
What is the band gap of Eu2Fe2O5?
Is Eu2Fe2O5 a metal, semiconductor, or insulator?
Is Eu2Fe2O5 thermodynamically stable?
How many polymorphs of Eu2Fe2O5 are known?
What elements does Eu2Fe2O5 contain?
Where does the data for Eu2Fe2O5 come from?
How It Compares
Within the oxide oxygen-evolution catalysts class.
Within the diverse class of oxygen-evolution catalysts, Eu2Fe2O5 occupies a unique position compared to more stable, widely utilized oxides like LiCoO2 or LaMnO3. While many members of this class are characterized by their robust thermodynamic stability and well-defined insulating or semiconducting behavior, Eu2Fe2O5 is distinguished by its semimetallic electronic nature and its relative instability, making it a challenging but intriguing candidate for fundamental studies in catalytic behavior.
Related Compounds
Other Oxide Oxygen-Evolution Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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