MnCr3O8
MnCr3O8 is a metastable semiconducting oxide designed for use in oxygen-evolution catalytic applications.

About MnCr3O8
MnCr3O8 is a complex oxide belonging to the class of oxygen-evolution catalysts. As a semiconducting material, it is characterized by its metastable nature, which makes it a subject of significant interest for researchers investigating non-equilibrium phase behavior in transition metal oxides. Its electronic properties are central to its potential utility in electrochemical energy conversion processes. The compound is primarily studied for its role in catalytic oxygen evolution, where the interplay between manganese and chromium cations influences the efficiency of the reaction. Its structural complexity, supported by multiple reported configurations, highlights its versatility as a candidate for advanced catalytic materials.
Key Properties
Cross-validated computational properties for MnCr3O8, 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 MnCr3O8 is used.
Frequently Asked Questions
Common questions about MnCr3O8, answered from cross-validated data.
What is MnCr3O8?
MnCr3O8 is a metastable semiconducting oxide designed for use in oxygen-evolution catalytic applications.
What is MnCr3O8 used for?
What is the band gap of MnCr3O8?
Is MnCr3O8 a metal, semiconductor, or insulator?
Is MnCr3O8 thermodynamically stable?
How many polymorphs of MnCr3O8 are known?
What elements does MnCr3O8 contain?
Where does the data for MnCr3O8 come from?
How It Compares
Within the oxide oxygen-evolution catalysts class.
Within the diverse group of oxygen-evolution catalysts, MnCr3O8 occupies a distinct niche compared to more conventional materials like LiMn2O4 or LaMnO3. While many members of this class, such as LaNiO3, are known for their established stability and well-characterized perovskite structures, MnCr3O8 is distinguished by its metastable state, offering a different pathway for catalytic activity that deviates from the standard behavior seen in common spinel or layered oxide catalysts.
Related Compounds
Other Oxide Oxygen-Evolution Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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