UCdO4
UCdO4 is a stable, semiconducting ternary oxide that serves as a specialized material in the field of transparent conducting oxides.
About UCdO4
UCdO4 is a complex oxide featuring uranium and cadmium, classified as a semiconducting member of the transparent conducting oxides. Its position on the thermodynamic convex hull indicates high stability, making it a robust candidate for specialized electronic and optoelectronic research.
Due to its structural complexity and the presence of heavy elements, this compound is of significant interest for understanding charge transport mechanisms in oxide semiconductors. Its stable nature allows for consistent performance in experimental settings where material longevity is paramount.
Key Properties
Cross-validated computational properties for UCdO4, 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.
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of UCdO4. Tight agreement means computed properties can be trusted without re-running calculations.
Agreement ScoreA normalized confidence score summarizing how closely independent DFT databases agree. Higher scores mean tighter cross-source agreement.
Hull SpreadDifference between the highest and lowest energy-above-hull values reported by comparable sources. Smaller spread means less thermodynamic disagreement.
Sources ComparedNumber and names of computational sources with comparable entries for this formula.
Space Group ConsensusWhether independent sources predict the same crystal symmetry for the lowest-energy structure.
Reported Structures
Lowest-energy structures reported for UCdO4, 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. |
|---|---|---|---|---|---|
| — | — | 2.92 | 0.0000 | -2.546 | — |
| Cmmm (No. 65) | orthorhombic | 1.96 | 0.0000 | -8.253 | 8.02 |
| Cmmm (No. 65) | orthorhombic | 1.93 | 0.0000 | -2.643 | — |
| Cmmm (No. 65) | orthorhombic | 1.92 | 0.0000 | -2.643 | — |
| — | — | 2.92 | 0.0004 | -2.546 | — |
| R-3m (No. 166) | trigonal | 2.08 | 0.0301 | -2.613 | — |
| — | — | 2.93 | 0.0441 | -2.502 | — |
| R-3m (No. 166) | trigonal | 1.88 | 0.0516 | -8.202 | 8.84 |
| Cmmm (No. 65) | orthorhombic | — | — | — | 8.14 |
| R-3m (No. 166) | trigonal | — | — | — | 9.14 |
| Cmmm (No. 65) | orthorhombic | — | — | — | 7.74 |
| R-3m (No. 166) | trigonal | — | — | — | 9.05 |
Applications
Where UCdO4 is used.
Frequently Asked Questions
Common questions about UCdO4, answered from cross-validated data.
What is UCdO4?
UCdO4 is a stable, semiconducting ternary oxide that serves as a specialized material in the field of transparent conducting oxides.
What is UCdO4 used for?
What is the band gap of UCdO4?
Is UCdO4 a metal, semiconductor, or insulator?
Is UCdO4 thermodynamically stable?
What is the crystal structure of UCdO4?
What is the density of UCdO4?
How many polymorphs of UCdO4 are known?
What elements does UCdO4 contain?
Where does the data for UCdO4 come from?
How It Compares
Within the transparent conducting oxides class.
Unlike the widely utilized and simpler binary transparent conducting oxides like ZnO, UCdO4 represents a more intricate ternary structural arrangement. While materials such as ZnGa2O4 and BaSnO3 are frequently explored for their transparency and conductivity, UCdO4 offers a distinct chemical profile that expands the available design space for advanced oxide-based semiconductors.
Related Compounds
Other Transparent Conducting Oxides in the database.
Data sources & attribution
- oqmd — Data from the OQMD (oqmd.org). Cite: Saal et al., JOM 65, 1501 (2013); Kirklin et al., npj Comp. Mater. 1, 15010 (2015). (CC-BY-4.0)
- materials_project — Data from the Materials Project (materialsproject.org). Cite: Jain et al., APL Materials 1, 011002 (2013). (CC-BY-4.0)
- jarvis — Data from JARVIS (jarvis.nist.gov), NIST. Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020). (LicenseRef-US-Gov-PD)
- cod — Data from the Crystallography Open Database (crystallography.net/cod/). Cite: Grazulis et al., J. Appl. Cryst. 42, 726 (2009). (CC0-1.0)
- mpaloe — Data from MP-ALOE. Cite: Kuner et al., npj Comput. Mater. (2025), doi:10.1038/s41524-025-01834-9.
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