MgFe3Co5O16
MgFe3Co5O16 is a complex, metastable semiconducting oxide belonging to the spinel and hexagonal ferrite family.
About MgFe3Co5O16
MgFe3Co5O16 is a complex mixed-metal oxide that belongs to the broad family of spinel and hexagonal ferrites. As a semiconducting material, it represents a specialized composition within this class, characterized by a significant degree of structural complexity and a high number of reported configurations. Its electronic properties suggest potential utility in functional oxide systems where tunable conductivity is required. Because it resides above the thermodynamic hull, this compound is considered metastable, reflecting the intricate synthesis challenges often associated with multi-cation ferrites. Its existence as a distinct phase highlights the vast compositional space available within iron-based oxide systems, providing a platform for investigating cation distribution and magnetic interactions.
Key Properties
Cross-validated computational properties for MgFe3Co5O16, 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 MgFe3Co5O16, 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 | 0.08 | 0.1338 | -6.962 | 4.71 |
| Cm (No. 8) | monoclinic | 0.00 | 0.1343 | -6.961 | 4.74 |
| Cm (No. 8) | monoclinic | 0.00 | 0.1369 | -6.958 | 4.79 |
| P1 (No. 1) | triclinic | 0.13 | 0.1439 | -6.951 | 4.76 |
| Cm (No. 8) | monoclinic | 0.00 | 0.1468 | -6.949 | 4.68 |
| Cm (No. 8) | monoclinic | 0.00 | 0.1678 | -6.928 | 4.66 |
| P1 (No. 1) | triclinic | 0.08 | 0.1744 | -6.921 | 4.75 |
| Cm (No. 8) | monoclinic | 0.00 | 0.1836 | -6.912 | 4.75 |
| P1 (No. 1) | triclinic | 0.05 | 0.1875 | -6.908 | 4.64 |
| Cm (No. 8) | monoclinic | 0.00 | 0.2493 | -6.846 | 4.53 |
| P1 (No. 1) | Triclinic | — | — | — | 4.64 |
| P1 (No. 1) | Triclinic | — | — | — | 4.97 |
Applications
Where MgFe3Co5O16 is used.
Frequently Asked Questions
Common questions about MgFe3Co5O16, answered from cross-validated data.
What is MgFe3Co5O16?
MgFe3Co5O16 is a complex, metastable semiconducting oxide belonging to the spinel and hexagonal ferrite family.
What is MgFe3Co5O16 used for?
What is the band gap of MgFe3Co5O16?
Is MgFe3Co5O16 a metal, semiconductor, or insulator?
Is MgFe3Co5O16 thermodynamically stable?
What is the crystal structure of MgFe3Co5O16?
What is the density of MgFe3Co5O16?
How many polymorphs of MgFe3Co5O16 are known?
What elements does MgFe3Co5O16 contain?
Where does the data for MgFe3Co5O16 come from?
How It Compares
Within the spinel and hexagonal ferrites class.
Unlike the highly stable and widely utilized spinel ferrites such as MgFe2O4 or MnFe2O4, which are foundational in magnetic materials, MgFe3Co5O16 occupies a more exotic and less thermodynamically favored position in the phase space. While siblings like BaFeO3 or SrFeO3 are frequently studied for their perovskite-related properties, this compound stands out for its high cation density and structural diversity, distinguishing it from the simpler, more robust binary and ternary ferrites in the class.
Related Compounds
Other Spinel and Hexagonal Ferrites in the database.
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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