MgMnCo3O8
MgMnCo3O8 is a metastable semiconducting oxide composed of magnesium, manganese, and cobalt.
About MgMnCo3O8
MgMnCo3O8 is a complex oxide featuring a combination of magnesium, manganese, and cobalt. As a semiconducting material, it occupies a unique position in solid-state chemistry, offering distinct electronic pathways that arise from its specific transition metal arrangement.
While this compound is characterized as metastable, its existence within a diverse landscape of reported structures highlights its scientific interest. It serves as a subject of investigation for researchers looking to understand how mixed-metal oxide frameworks influence charge transport and stability in non-equilibrium phases.
Key Properties
Cross-validated computational properties for MgMnCo3O8, 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 MgMnCo3O8, 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. |
|---|---|---|---|---|---|
| C2 (No. 5) | monoclinic | 0.73 | 0.0636 | -7.114 | 4.65 |
| Cm (No. 8) | monoclinic | 0.70 | 0.1061 | -7.072 | 4.33 |
| P-1 (No. 2) | triclinic | 0.00 | 0.1108 | -7.067 | 4.50 |
| P-1 (No. 2) | triclinic | 0.13 | 0.1196 | -7.058 | 4.60 |
| P-1 (No. 2) | triclinic | 0.00 | 0.1332 | -7.044 | 4.47 |
| P-1 (No. 2) | triclinic | 0.00 | 0.1390 | -7.039 | 4.43 |
| Cm (No. 8) | monoclinic | 0.00 | 0.1444 | -7.033 | 4.41 |
| P1 (No. 1) | triclinic | 0.00 | 0.1455 | -7.032 | 4.41 |
| P1 (No. 1) | triclinic | 0.00 | 0.1932 | -6.984 | 4.18 |
| P1 (No. 1) | triclinic | 0.00 | 0.2349 | -6.943 | 4.37 |
| P1 (No. 1) | Triclinic | — | — | — | 5.24 |
| P-1 (No. 2) | Triclinic | — | — | — | 4.50 |
Applications
Where MgMnCo3O8 is used.
Frequently Asked Questions
Common questions about MgMnCo3O8, answered from cross-validated data.
What is MgMnCo3O8?
MgMnCo3O8 is a metastable semiconducting oxide composed of magnesium, manganese, and cobalt.
What is MgMnCo3O8 used for?
What is the band gap of MgMnCo3O8?
Is MgMnCo3O8 a metal, semiconductor, or insulator?
Is MgMnCo3O8 thermodynamically stable?
What is the crystal structure of MgMnCo3O8?
What is the density of MgMnCo3O8?
How many polymorphs of MgMnCo3O8 are known?
What elements does MgMnCo3O8 contain?
Where does the data for MgMnCo3O8 come from?
How It Compares
As a unique mixed-metal oxide, MgMnCo3O8 represents a specialized case within the broader family of multicomponent transition metal oxides, where the interplay between magnesium and the transition metal cations dictates its specific semiconducting behavior.
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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