Na7MgSbO6
Na7MgSbO6 is a semiconducting quaternary oxide composed of sodium, magnesium, antimony, and oxygen.
About Na7MgSbO6
Na7MgSbO6 is a complex oxide featuring a quaternary arrangement of sodium, magnesium, antimony, and oxygen. As a semiconducting material, it represents a specialized composition within the broader landscape of complex metal oxides, drawing interest for its unique elemental combination and potential for electronic tuning.
While this compound has been documented across multiple structural configurations, it is categorized as being above the thermodynamic hull, suggesting it may be metastable under standard conditions. Its study contributes to the fundamental understanding of how alkali-rich oxide frameworks accommodate diverse metal cations.
Key Properties
Cross-validated computational properties for Na7MgSbO6, 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 Na7MgSbO6, 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. |
|---|---|---|---|---|---|
| P1 (No. 1) | triclinic | 2.26 | 0.1078 | -4.721 | 2.89 |
| R3 (No. 146) | trigonal | 2.73 | 0.1165 | -4.712 | 2.41 |
| P1 (No. 1) | triclinic | 2.10 | 0.1718 | -4.657 | 2.89 |
| R3 (No. 146) | trigonal | 2.10 | 0.1721 | -4.657 | 2.92 |
| P1 (No. 1) | Triclinic | — | — | — | 2.89 |
| P1 (No. 1) | Triclinic | — | — | — | 3.02 |
| P1 (No. 1) | Triclinic | — | — | — | 2.98 |
| R3 (No. 146) | Trigonal | — | — | — | 2.41 |
| R3 (No. 146) | Trigonal | — | — | — | 2.50 |
| R3 (No. 146) | Trigonal | — | — | — | 2.46 |
| R3 (No. 146) | Trigonal | — | — | — | 2.92 |
| R3 (No. 146) | Trigonal | — | — | — | 3.04 |
Frequently Asked Questions
Common questions about Na7MgSbO6, answered from cross-validated data.
What is Na7MgSbO6?
Na7MgSbO6 is a semiconducting quaternary oxide composed of sodium, magnesium, antimony, and oxygen.
What is the band gap of Na7MgSbO6?
Is Na7MgSbO6 a metal, semiconductor, or insulator?
Is Na7MgSbO6 thermodynamically stable?
What is the crystal structure of Na7MgSbO6?
What is the density of Na7MgSbO6?
How many polymorphs of Na7MgSbO6 are known?
What elements does Na7MgSbO6 contain?
Where does the data for Na7MgSbO6 come from?
How It Compares
As a unique quaternary oxide, Na7MgSbO6 serves as a distinct case study in the field of complex sodium-based ceramics. Without direct structural siblings in this specific class, it stands as an outlier that highlights the synthetic challenges and structural diversity inherent in high-sodium oxide systems.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
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