Na2MgMn2O8
Na2MgMn2O8 is a semiconducting layered sodium transition-metal oxide that serves as a metastable model for exploring structural complexity in energy storage materials.
About Na2MgMn2O8
Na2MgMn2O8 is a complex layered sodium transition-metal oxide characterized by its semiconducting electronic nature. As a member of this structural family, it incorporates magnesium and manganese into a layered framework that is of significant interest for understanding ion transport and structural stability in battery-related materials.
While this compound exhibits a diverse range of reported structural variations, its position above the thermodynamic hull suggests it is a metastable phase. Its study provides critical insights into the phase space of sodium-based oxides, helping researchers map the stability limits of transition-metal frameworks used in electrochemical systems.
Key Properties
Cross-validated computational properties for Na2MgMn2O8, 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.
Applications
Where Na2MgMn2O8 is used.
Frequently Asked Questions
Common questions about Na2MgMn2O8, answered from cross-validated data.
What is Na2MgMn2O8?
Na2MgMn2O8 is a semiconducting layered sodium transition-metal oxide that serves as a metastable model for exploring structural complexity in energy storage materials.
What is Na2MgMn2O8 used for?
What is the band gap of Na2MgMn2O8?
Is Na2MgMn2O8 a metal, semiconductor, or insulator?
Is Na2MgMn2O8 thermodynamically stable?
How many polymorphs of Na2MgMn2O8 are known?
What elements does Na2MgMn2O8 contain?
Where does the data for Na2MgMn2O8 come from?
How It Compares
Within the layered sodium transition-metal oxides class.
Within the broader class of layered sodium transition-metal oxides, Na2MgMn2O8 stands out for its specific stoichiometry compared to more conventional, stable materials like NaCoO2 or NaMnO2. Unlike these highly studied, thermodynamically robust compounds, Na2MgMn2O8 represents a more complex, metastable configuration that offers a unique perspective on how magnesium substitution influences the structural integrity of manganese-based oxide layers.
Related Compounds
Other Layered Sodium Transition-Metal Oxides in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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