Mg2O4Sb2
Mg2O4Sb2 is a thermodynamically stable semiconducting oxide containing magnesium, oxygen, and antimony.
About Mg2O4Sb2
Mg2O4Sb2 is a complex oxide composed of magnesium, oxygen, and antimony. It is characterized by its semiconducting electronic nature and remains a stable phase on the convex hull, indicating favorable thermodynamic conditions for its formation and existence.
With numerous reported structural variations, this compound represents a versatile material for research into inorganic oxides. Its stable configuration and semiconducting behavior make it a subject of interest for those investigating the fundamental properties of ternary magnesium-antimony-oxygen systems.
Key Properties
Cross-validated computational properties for Mg2O4Sb2, aggregated across 3 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 Mg2O4Sb2, 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. |
|---|---|---|---|---|---|
| P42/mbc (No. 135) | tetragonal | 2.58 | 0.0000 | -6.406 | 4.84 |
| C2/m (No. 12) | monoclinic | 2.60 | 0.1046 | -6.302 | 4.83 |
| C2/m (No. 12) | monoclinic | 2.63 | 0.1053 | -6.301 | 4.83 |
| P1 (No. 1) | triclinic | 2.41 | 0.1591 | -6.247 | 4.43 |
| P1 (No. 1) | triclinic | 1.94 | 0.1706 | -6.236 | 4.44 |
| Cm (No. 8) | monoclinic | 2.15 | 0.1859 | -6.282 | 3.92 |
| P1 (No. 1) | triclinic | 1.52 | 0.1940 | -6.274 | 4.69 |
| P21 (No. 4) | monoclinic | 2.79 | 0.2041 | -6.202 | 4.17 |
| P1 (No. 1) | triclinic | 1.77 | 0.2044 | -6.202 | 4.62 |
| Cm (No. 8) | monoclinic | 1.44 | 0.2361 | -6.170 | 4.75 |
| P1 (No. 1) | triclinic | 1.82 | 0.2776 | -6.129 | 4.43 |
| Pnma (No. 62) | orthorhombic | 1.31 | 0.2996 | -6.107 | 5.16 |
Applications
Where Mg2O4Sb2 is used.
Frequently Asked Questions
Common questions about Mg2O4Sb2, answered from cross-validated data.
What is Mg2O4Sb2?
Mg2O4Sb2 is a thermodynamically stable semiconducting oxide containing magnesium, oxygen, and antimony.
What is Mg2O4Sb2 used for?
What is the band gap of Mg2O4Sb2?
Is Mg2O4Sb2 a metal, semiconductor, or insulator?
Is Mg2O4Sb2 thermodynamically stable?
What is the crystal structure of Mg2O4Sb2?
What is the density of Mg2O4Sb2?
How many polymorphs of Mg2O4Sb2 are known?
What elements does Mg2O4Sb2 contain?
Where does the data for Mg2O4Sb2 come from?
How It Compares
As a distinct ternary oxide, Mg2O4Sb2 occupies a unique position in materials science research. While it does not share its specific structural class with other common compounds in this database, its stability and semiconducting character highlight its potential as a specialized building block for future electronic and optoelectronic materials.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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