SmCoO3
samarium cobaltite · SmCoO3
SmCoO3 is a stable, semiconducting perovskite oxide primarily utilized as a catalyst for oxygen-evolution reactions in electrochemical energy systems.

About samarium cobaltite
SmCoO3 is a semiconducting oxide that sits firmly on the convex hull, indicating exceptional thermodynamic stability. As a member of the perovskite-related oxide family, it is engineered for high-performance electrochemical applications where structural robustness is essential for long-term operation.
The material is primarily investigated for its role in oxygen-evolution catalysis, a critical process for energy conversion technologies. Its electronic properties and stable lattice structure make it a compelling candidate for researchers seeking efficient alternatives to traditional precious metal catalysts in electrochemical cells.
Key Properties
Cross-validated computational properties for samarium cobaltite, aggregated across 2 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 SmCoO3.
Applications
Where samarium cobaltite is used.
Frequently Asked Questions
Common questions about samarium cobaltite, answered from cross-validated data.
What is SmCoO3?
SmCoO3 is a stable, semiconducting perovskite oxide primarily utilized as a catalyst for oxygen-evolution reactions in electrochemical energy systems.
What is SmCoO3 used for?
What is the band gap of SmCoO3?
Is SmCoO3 a metal, semiconductor, or insulator?
Is SmCoO3 thermodynamically stable?
How many polymorphs of SmCoO3 are known?
How is SmCoO3 synthesized?
What elements does SmCoO3 contain?
Where does the data for SmCoO3 come from?
How It Compares
Within the oxide oxygen-evolution catalysts class.
Within the diverse landscape of oxygen-evolution catalysts, SmCoO3 distinguishes itself through its perovskite framework, which offers different catalytic pathways compared to simpler binary oxides like NiO. While layered materials such as LiCoO2 or La2NiO4 are frequently utilized for their ion-intercalation capabilities, SmCoO3 provides a distinct structural stability that is highly advantageous for maintaining surface activity during demanding electrochemical cycles.
Related Compounds
Other Oxide Oxygen-Evolution Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
Analyze SmCoO3 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →