O32U4V8
O32U4V8 is a thermodynamically stable semiconducting uranium vanadium oxide known for its structural variety.
About O32U4V8
O32U4V8 is a complex oxide featuring uranium and vanadium, characterized by its semiconducting electronic nature. As a thermodynamically stable phase residing on the convex hull, it represents a robust configuration of these metallic elements within an oxygen framework.
This material is of significant interest in solid-state chemistry due to its structural versatility, as evidenced by multiple reported crystallographic forms. Its stability and electronic properties make it a subject of ongoing investigation for advanced inorganic material applications.
Key Properties
Cross-validated computational properties for O32U4V8, 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 O32U4V8, 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. |
|---|---|---|---|---|---|
| Pnma (No. 62) | orthorhombic | 2.11 | 0.0000 | -9.068 | 4.27 |
| Pnma (No. 62) | orthorhombic | 1.65 | 0.1713 | -8.896 | 4.10 |
| — | — | — | — | — | 4.02 |
| Pnma (No. 62) | — | — | — | — | — |
| Pnma (No. 62) | — | — | — | — | — |
| — | — | — | — | — | 4.02 |
Applications
Where O32U4V8 is used.
Frequently Asked Questions
Common questions about O32U4V8, answered from cross-validated data.
What is O32U4V8?
O32U4V8 is a thermodynamically stable semiconducting uranium vanadium oxide known for its structural variety.
What is O32U4V8 used for?
What is the band gap of O32U4V8?
Is O32U4V8 a metal, semiconductor, or insulator?
Is O32U4V8 thermodynamically stable?
What is the crystal structure of O32U4V8?
What is the density of O32U4V8?
How many polymorphs of O32U4V8 are known?
What elements does O32U4V8 contain?
Where does the data for O32U4V8 come from?
How It Compares
As a unique ternary oxide, O32U4V8 occupies a distinct position in the landscape of uranium-vanadium compounds, serving as a stable reference point for understanding the interplay between heavy actinide elements and transition metals in semiconducting oxide systems.
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).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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