Na2MgV2Cd2O8
Na2MgV2Cd2O8 is a complex, semiconducting oxide composed of sodium, magnesium, vanadium, and cadmium that is studied for its structural diversity.
About Na2MgV2Cd2O8
Na2MgV2Cd2O8 is a multi-element oxide featuring a complex arrangement of sodium, magnesium, vanadium, and cadmium. As a semiconducting material, it represents a specialized composition often investigated for its unique electronic properties in solid-state chemistry.
Due to its position above the thermodynamic hull, this compound is considered metastable, suggesting it requires precise synthesis conditions to stabilize. Its existence across multiple reported structures highlights its significance as a subject of interest for researchers exploring complex oxide frameworks.
Key Properties
Cross-validated computational properties for Na2MgV2Cd2O8, 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 Na2MgV2Cd2O8, 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 | 0.93 | 0.1317 | -6.345 | 3.69 |
| Amm2 (No. 38) | orthorhombic | 0.42 | 0.1952 | -6.282 | 3.95 |
| Pm (No. 6) | monoclinic | 0.55 | 0.1988 | -6.278 | 4.26 |
| C2/m (No. 12) | monoclinic | 1.58 | 0.2964 | -6.180 | 3.73 |
| C2/m (No. 12) | monoclinic | 0.00 | 0.3748 | -6.102 | 3.90 |
| Pm (No. 6) | Monoclinic | — | — | — | 4.26 |
| Pm (No. 6) | Monoclinic | — | — | — | 4.58 |
| Pm (No. 6) | Monoclinic | — | — | — | 4.41 |
| P1 (No. 1) | Triclinic | — | — | — | 3.69 |
| P1 (No. 1) | Triclinic | — | — | — | 3.96 |
| Amm2 (No. 38) | Orthorhombic | — | — | — | 3.95 |
| Amm2 (No. 38) | Orthorhombic | — | — | — | 4.08 |
Applications
Where Na2MgV2Cd2O8 is used.
Frequently Asked Questions
Common questions about Na2MgV2Cd2O8, answered from cross-validated data.
What is Na2MgV2Cd2O8?
Na2MgV2Cd2O8 is a complex, semiconducting oxide composed of sodium, magnesium, vanadium, and cadmium that is studied for its structural diversity.
What is Na2MgV2Cd2O8 used for?
What is the band gap of Na2MgV2Cd2O8?
Is Na2MgV2Cd2O8 a metal, semiconductor, or insulator?
Is Na2MgV2Cd2O8 thermodynamically stable?
What is the crystal structure of Na2MgV2Cd2O8?
What is the density of Na2MgV2Cd2O8?
How many polymorphs of Na2MgV2Cd2O8 are known?
What elements does Na2MgV2Cd2O8 contain?
Where does the data for Na2MgV2Cd2O8 come from?
How It Compares
As a unique multi-component oxide, Na2MgV2Cd2O8 serves as a distinct example of how combining diverse metallic cations can influence the electronic and structural landscape of a material, even when the resulting phase is energetically challenging to synthesize.
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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