Sr4MgMn2Ga2O11
Sr4MgMn2Ga2O11 is a complex, semiconducting oxide material with multiple structural configurations that is currently being investigated for its physical properties.
About Sr4MgMn2Ga2O11
Sr4MgMn2Ga2O11 is a complex multicomponent oxide characterized by its semiconducting electronic nature. Its intricate atomic arrangement involves a mix of alkaline earth, transition metal, and post-transition metal cations, making it a subject of interest for structural chemistry studies.
As a material that sits above the thermodynamic hull, it represents a metastable phase within the oxide landscape. The existence of multiple reported structural configurations suggests a rich potential for phase exploration and synthesis optimization in specialized laboratory settings.
Key Properties
Cross-validated computational properties for Sr4MgMn2Ga2O11, 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 Sr4MgMn2Ga2O11, 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 | 0.72 | 0.1527 | -6.920 | 4.90 |
| P1 (No. 1) | triclinic | 0.60 | 0.1560 | -6.917 | 4.84 |
| Fmm2 (No. 42) | orthorhombic | 0.00 | 0.1907 | -6.882 | 4.91 |
| C2/m (No. 12) | monoclinic | 0.04 | 0.2481 | -6.825 | 5.03 |
| P1 (No. 1) | Triclinic | — | — | — | 4.90 |
| Fmm2 (No. 42) | Orthorhombic | — | — | — | 4.91 |
| P1 (No. 1) | Triclinic | — | — | — | 5.23 |
| Fmm2 (No. 42) | Orthorhombic | — | — | — | 5.19 |
| Fmm2 (No. 42) | Orthorhombic | — | — | — | 5.07 |
| P1 (No. 1) | Triclinic | — | — | — | 5.14 |
| P1 (No. 1) | Triclinic | — | — | — | 5.10 |
| P1 (No. 1) | Triclinic | — | — | — | 4.84 |
Applications
Where Sr4MgMn2Ga2O11 is used.
Frequently Asked Questions
Common questions about Sr4MgMn2Ga2O11, answered from cross-validated data.
What is Sr4MgMn2Ga2O11?
Sr4MgMn2Ga2O11 is a complex, semiconducting oxide material with multiple structural configurations that is currently being investigated for its physical properties.
What is Sr4MgMn2Ga2O11 used for?
What is the band gap of Sr4MgMn2Ga2O11?
Is Sr4MgMn2Ga2O11 a metal, semiconductor, or insulator?
Is Sr4MgMn2Ga2O11 thermodynamically stable?
What is the crystal structure of Sr4MgMn2Ga2O11?
What is the density of Sr4MgMn2Ga2O11?
How many polymorphs of Sr4MgMn2Ga2O11 are known?
What elements does Sr4MgMn2Ga2O11 contain?
Where does the data for Sr4MgMn2Ga2O11 come from?
How It Compares
As a unique multicomponent oxide, Sr4MgMn2Ga2O11 serves as a distinct example of complex stoichiometry where multiple metal sites are integrated into a single lattice. Unlike simpler binary or ternary oxides, its structural diversity highlights the challenges and opportunities in stabilizing high-order complex oxides for functional applications.
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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