MgV2CdO6
MgV2CdO6 is a metastable, semiconducting quaternary oxide used in fundamental materials research.

About MgV2CdO6
MgV2CdO6 is a complex quaternary oxide characterized by its semiconducting electronic nature. As a metastable phase, it represents a unique arrangement of magnesium, vanadium, cadmium, and oxygen atoms that requires specific synthesis conditions to stabilize. Its structural complexity makes it an intriguing subject for fundamental investigations into oxide chemistry. Because of its distinct composition, this material is primarily studied within academic and research settings to understand how the integration of cadmium and vanadium influences electronic behavior in oxide lattices. It serves as a model for exploring metastable pathways in multi-component ceramic systems.
Key Properties
Cross-validated computational properties for MgV2CdO6, 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 MgV2CdO6, 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. |
|---|---|---|---|---|---|
| Cm (No. 8) | monoclinic | 2.12 | 0.0767 | -7.388 | 3.89 |
| C2/m (No. 12) | monoclinic | 1.76 | 0.0784 | -7.387 | 4.33 |
| Cm (No. 8) | monoclinic | 2.13 | 0.0792 | -7.386 | 3.85 |
| Cm (No. 8) | monoclinic | 1.40 | 0.1206 | -7.344 | 4.64 |
| Cm (No. 8) | Monoclinic | — | — | — | 3.85 |
| Cm (No. 8) | Monoclinic | — | — | — | 4.18 |
| Cm (No. 8) | Monoclinic | — | — | — | 3.96 |
| Cm (No. 8) | Monoclinic | — | — | — | 4.64 |
| Cm (No. 8) | Monoclinic | — | — | — | 5.06 |
| Cm (No. 8) | Monoclinic | — | — | — | 4.81 |
| C2/m (No. 12) | Monoclinic | — | — | — | 4.33 |
| C2/m (No. 12) | Monoclinic | — | — | — | 4.72 |
Applications
Where MgV2CdO6 is used.
Frequently Asked Questions
Common questions about MgV2CdO6, answered from cross-validated data.
What is MgV2CdO6?
MgV2CdO6 is a metastable, semiconducting quaternary oxide used in fundamental materials research.
What is MgV2CdO6 used for?
What is the band gap of MgV2CdO6?
Is MgV2CdO6 a metal, semiconductor, or insulator?
Is MgV2CdO6 thermodynamically stable?
What is the crystal structure of MgV2CdO6?
What is the density of MgV2CdO6?
How many polymorphs of MgV2CdO6 are known?
What elements does MgV2CdO6 contain?
Where does the data for MgV2CdO6 come from?
How It Compares
As a unique quaternary oxide, MgV2CdO6 occupies a specialized niche in materials science. Unlike simpler binary or ternary oxides, its complex stoichiometry allows for a nuanced exploration of electronic properties that are not easily accessible in more common, highly stable ceramic materials.
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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