MnAl2O4
galaxite · manganese aluminate
MnAl2O4 is a stable, semiconducting manganese aluminate spinel used as a catalyst in oxygen-evolution reactions.
About galaxite
MnAl2O4 is a thermodynamically stable oxide that crystallizes in a spinel structure. As a semiconducting material, it is recognized for its structural robustness and potential utility in electrochemical processes, particularly within the field of oxygen-evolution catalysis.
This compound represents an important intersection of mineralogy and materials science. Its inherent stability makes it a subject of interest for researchers seeking durable, earth-abundant alternatives to more expensive or volatile catalytic oxides in energy conversion applications.
Key Properties
Cross-validated computational properties for galaxite, 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.
Synthesis Routes
Literature-extracted synthesis procedures targeting MnAl2O4.
Applications
Where galaxite is used.
Frequently Asked Questions
Common questions about galaxite, answered from cross-validated data.
What is MnAl2O4?
MnAl2O4 is a stable, semiconducting manganese aluminate spinel used as a catalyst in oxygen-evolution reactions.
What is MnAl2O4 used for?
What is the band gap of MnAl2O4?
Is MnAl2O4 a metal, semiconductor, or insulator?
Is MnAl2O4 thermodynamically stable?
How many polymorphs of MnAl2O4 are known?
How is MnAl2O4 synthesized?
What elements does MnAl2O4 contain?
Where does the data for MnAl2O4 come from?
How It Compares
Within the oxide oxygen-evolution catalysts class.
Within the diverse family of oxide oxygen-evolution catalysts, MnAl2O4 occupies a distinct niche compared to highly active, transition-metal-heavy compounds like LiCoO2 or LaNiO3. While siblings such as LiMn2O4 are frequently utilized for their electrochemical reactivity in battery systems, MnAl2O4 is valued for its structural integrity and stability, offering a different performance profile for catalytic environments where long-term durability is prioritized over peak reactivity.
Related Compounds
Other Oxide Oxygen-Evolution Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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