Na2MgMn4O8
Na2MgMn4O8 is a metastable, semiconducting layered oxide containing sodium, magnesium, and manganese, primarily investigated for its potential in electrochemical energy storage applications.
About Na2MgMn4O8
Na2MgMn4O8 belongs to the class of layered sodium transition-metal oxides, characterized by their structural versatility and potential for ion mobility. As a semiconducting oxide, it represents a complex arrangement of magnesium and manganese within an oxygen framework, stabilized by sodium ions. Its metastable nature makes it a compelling subject for materials scientists investigating structural transformations and phase stability in battery electrode materials. The compound is primarily studied within the context of electrochemical energy storage, where the layered architecture is essential for facilitating reversible cation insertion and extraction. By balancing the electronic properties of manganese with the structural contributions of magnesium, this oxide serves as a model for exploring how chemical substitution influences the performance of sodium-based systems.
Key Properties
Cross-validated computational properties for Na2MgMn4O8, 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 Na2MgMn4O8 is used.
Frequently Asked Questions
Common questions about Na2MgMn4O8, answered from cross-validated data.
What is Na2MgMn4O8?
Na2MgMn4O8 is a metastable, semiconducting layered oxide containing sodium, magnesium, and manganese, primarily investigated for its potential in electrochemical energy storage applications.
What is Na2MgMn4O8 used for?
What is the band gap of Na2MgMn4O8?
Is Na2MgMn4O8 a metal, semiconductor, or insulator?
Is Na2MgMn4O8 thermodynamically stable?
How many polymorphs of Na2MgMn4O8 are known?
What elements does Na2MgMn4O8 contain?
Where does the data for Na2MgMn4O8 come from?
How It Compares
Within the layered sodium transition-metal oxides class.
Within the broader family of layered sodium transition-metal oxides, Na2MgMn4O8 occupies a distinct niche compared to simpler binary or ternary oxides like NaCoO2 or NaFeO2. While many of its siblings are primarily focused on high-voltage cathode performance, the inclusion of magnesium in this quaternary structure suggests a focus on stabilizing the manganese-rich framework against degradation, offering a different structural pathway than the more commonly studied NaMnO2 or NaNiO2.
Related Compounds
Other Layered Sodium Transition-Metal Oxides in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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