Ce2O3
Cerium(III) oxide · Dicerium trioxide
Cerium(III) oxide is a stable, metallic rare-earth compound frequently utilized in catalytic and industrial chemical processes.
About Cerium(III) oxide
Cerium(III) oxide is a stable binary oxide that plays a critical role in the chemistry of rare-earth materials. Its metallic electronic character distinguishes it from more common insulating oxides, making it a subject of significant interest in materials science research.
Due to its thermodynamic stability on the convex hull, this compound is highly reliable for structural studies, with numerous experimental configurations reported across scientific databases. It serves as a fundamental building block in advanced chemical processing and material synthesis.
Key Properties
Cross-validated computational properties for Cerium(III) oxide, aggregated across 6 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 Cerium(III) oxide is used.
Frequently Asked Questions
Common questions about Cerium(III) oxide, answered from cross-validated data.
What is Ce2O3?
Cerium(III) oxide is a stable, metallic rare-earth compound frequently utilized in catalytic and industrial chemical processes.
What is Ce2O3 used for?
What is the band gap of Ce2O3?
Is Ce2O3 a metal, semiconductor, or insulator?
Is Ce2O3 thermodynamically stable?
How many polymorphs of Ce2O3 are known?
What elements does Ce2O3 contain?
Where does the data for Ce2O3 come from?
How It Compares
As a primary oxide of cerium, this compound serves as a cornerstone for the broader class of lanthanide oxides. Unlike many of its counterparts that exhibit insulating behavior, its metallic nature provides unique pathways for electronic interaction in catalytic applications.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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