MnCr3O8

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

Crystal structure of MnCr3O8
Ground-state structure · Materials Project
Overview

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.

At a glance

Key Properties

Cross-validated computational properties for MnCr3O8, aggregated across 3 databases.

Band Gap

0.67 eV
Range across DFT structures

Energy Above Hull

0.095 eV/atom
Best (lowest) across sources

Stability

Metastable
2 DFT sources

Structures

5
3 databases, 2 space groups
Uses

Applications

Where MnCr3O8 is used.

Oxygen-evolution catalysis researchElectrochemical energy conversion studiesTransition metal oxide material development
Reference

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.

More questions
What is MnCr3O8 used for?
MnCr3O8 is used in oxygen-evolution catalysis research, electrochemical energy conversion studies, and transition metal oxide material development.
What is the band gap of MnCr3O8?
MnCr3O8 has a DFT-computed band gap of 0.67 eV across 5 reported structures.
Is MnCr3O8 a metal, semiconductor, or insulator?
With a band gap up to 0.67 eV it is a semiconductor.
Is MnCr3O8 thermodynamically stable?
MnCr3O8 has a lowest energy above hull of 0.095 eV/atom (metastable).
How many polymorphs of MnCr3O8 are known?
5 structures of MnCr3O8 are reported across 3 databases, spanning 2 distinct space groups.
What elements does MnCr3O8 contain?
MnCr3O8 contains Cr, Mn, and O (3 elements).
Where does the data for MnCr3O8 come from?
MnCr3O8 data is cross-referenced from latticegraph.
Comparison

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.

Explore

Related Compounds

Other Oxide Oxygen-Evolution Catalysts in the database.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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