Mg6MnO8
Mg6MnO8 is a stable, semiconducting oxide material utilized in the study and development of oxygen-evolution catalysts.
About Mg6MnO8
Mg6MnO8 is a semiconducting oxide that sits firmly on the thermodynamic convex hull, indicating excellent structural stability. As a member of the oxide oxygen-evolution catalyst family, it is engineered to facilitate critical electrochemical reactions by providing a robust framework for charge transfer.
This compound is primarily investigated for its potential in catalytic applications where long-term stability under operational conditions is essential. Its unique electronic character makes it a subject of interest for researchers looking to optimize the efficiency of oxygen-evolution processes in electrochemical devices.
Key Properties
Cross-validated computational properties for Mg6MnO8, 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.
Reported Structures
Lowest-energy structures reported for Mg6MnO8, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| Fm-3m (No. 225) | cubic | 2.29 | 0.0000 | -6.741 | 3.74 |
| Fm-3m (No. 225) | — | — | — | — | — |
Synthesis Routes
Literature-extracted synthesis procedures targeting Mg6MnO8.
Applications
Where Mg6MnO8 is used.
Frequently Asked Questions
Common questions about Mg6MnO8, answered from cross-validated data.
What is Mg6MnO8?
Mg6MnO8 is a stable, semiconducting oxide material utilized in the study and development of oxygen-evolution catalysts.
What is Mg6MnO8 used for?
What is the band gap of Mg6MnO8?
Is Mg6MnO8 a metal, semiconductor, or insulator?
Is Mg6MnO8 thermodynamically stable?
What is the crystal structure of Mg6MnO8?
What is the density of Mg6MnO8?
How many polymorphs of Mg6MnO8 are known?
How is Mg6MnO8 synthesized?
What elements does Mg6MnO8 contain?
Where does the data for Mg6MnO8 come from?
How It Compares
Within the oxide oxygen-evolution catalysts class.
Within the broader class of oxide oxygen-evolution catalysts, Mg6MnO8 distinguishes itself through its high thermodynamic stability compared to more complex, often metastable, transition metal oxides like LiNiO2 or LaMnO3. While many catalysts in this group rely on active redox-cycling of cobalt or nickel, Mg6MnO8 offers a distinct magnesium-rich structural environment that provides a different chemical landscape for catalytic activity.
Related Compounds
Other Oxide Oxygen-Evolution Catalysts in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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