O32Pb4Te8U4
O32Pb4Te8U4 is a stable, semiconducting quaternary oxide composed of lead, tellurium, uranium, and oxygen.
About O32Pb4Te8U4
O32Pb4Te8U4 is a complex quaternary oxide that integrates lead, tellurium, and uranium into a stable structural framework. As a thermodynamically stable phase located on the convex hull, it represents a robust crystalline arrangement that persists under standard conditions.
This material exhibits semiconducting electronic character, making it a subject of interest for researchers investigating the interplay between heavy metal cations and oxygen coordination. Its structural complexity is highlighted by multiple reported configurations across various materials databases.
Key Properties
Cross-validated computational properties for O32Pb4Te8U4, aggregated across 4 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 O32Pb4Te8U4, 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. |
|---|---|---|---|---|---|
| P21/c (No. 14) | monoclinic | 1.97 | 0.0000 | -7.329 | 7.28 |
| No. 0 | unknown | — | — | — | 1.81 |
| P21/c (No. 14) | — | — | — | — | — |
| — | — | — | — | — | 6.88 |
Applications
Where O32Pb4Te8U4 is used.
Frequently Asked Questions
Common questions about O32Pb4Te8U4, answered from cross-validated data.
What is O32Pb4Te8U4?
O32Pb4Te8U4 is a stable, semiconducting quaternary oxide composed of lead, tellurium, uranium, and oxygen.
What is O32Pb4Te8U4 used for?
What is the band gap of O32Pb4Te8U4?
Is O32Pb4Te8U4 a metal, semiconductor, or insulator?
Is O32Pb4Te8U4 thermodynamically stable?
What is the crystal structure of O32Pb4Te8U4?
What is the density of O32Pb4Te8U4?
How many polymorphs of O32Pb4Te8U4 are known?
What elements does O32Pb4Te8U4 contain?
Where does the data for O32Pb4Te8U4 come from?
How It Compares
As a unique quaternary oxide, O32Pb4Te8U4 occupies a specialized niche in materials science. Unlike simpler binary or ternary oxides, this compound leverages the distinct electronic contributions of lead, tellurium, and uranium to maintain its stability and semiconducting behavior.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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