MgNb4O10
MgNb4O10 is a metastable semiconducting oxide containing magnesium and niobium, primarily studied for its structural diversity in materials research.
About MgNb4O10
MgNb4O10 is a complex oxide composed of magnesium, niobium, and oxygen. As a semiconducting material, it represents a specialized composition often investigated for its unique structural arrangements and potential electronic properties in solid-state chemistry.
Because it exists in a metastable state, this compound is of significant interest for researchers studying phase stability and synthesis pathways. Its structural complexity, evidenced by numerous reported configurations, makes it a subject of ongoing exploration in materials characterization.
Key Properties
Cross-validated computational properties for MgNb4O10, 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 MgNb4O10, 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 | 0.28 | 0.0627 | -9.056 | 4.98 |
| Pm (No. 6) | monoclinic | 0.00 | 0.1035 | -9.015 | 4.28 |
| Pm (No. 6) | monoclinic | 0.00 | 0.1253 | -8.994 | 4.58 |
| P-1 (No. 2) | triclinic | 0.02 | 0.1271 | -8.992 | 4.71 |
| Pm (No. 6) | monoclinic | 0.00 | 0.1561 | -8.963 | 4.42 |
| Pm (No. 6) | Monoclinic | — | — | — | 4.42 |
| Pm (No. 6) | Monoclinic | — | — | — | 4.60 |
| P1 (No. 1) | Triclinic | — | — | — | 5.20 |
| Pm (No. 6) | Monoclinic | — | — | — | 4.33 |
| P-1 (No. 2) | Triclinic | — | — | — | 4.71 |
| P1 (No. 1) | Triclinic | — | — | — | 5.06 |
| Pm (No. 6) | Monoclinic | — | — | — | 4.47 |
Applications
Where MgNb4O10 is used.
Frequently Asked Questions
Common questions about MgNb4O10, answered from cross-validated data.
What is MgNb4O10?
MgNb4O10 is a metastable semiconducting oxide containing magnesium and niobium, primarily studied for its structural diversity in materials research.
What is MgNb4O10 used for?
What is the band gap of MgNb4O10?
Is MgNb4O10 a metal, semiconductor, or insulator?
Is MgNb4O10 thermodynamically stable?
What is the crystal structure of MgNb4O10?
What is the density of MgNb4O10?
How many polymorphs of MgNb4O10 are known?
What elements does MgNb4O10 contain?
Where does the data for MgNb4O10 come from?
How It Compares
As a unique oxide phase, MgNb4O10 occupies a distinct niche in the landscape of magnesium-niobium-oxygen systems, where its metastable nature distinguishes it from more common, highly stable ceramic oxides.
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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