V2CdO4
V2CdO4 is a thermodynamically stable semiconducting oxide that belongs to the class of transparent conducting materials used in optoelectronic applications.
About V2CdO4
V2CdO4 is a semiconducting oxide that sits firmly on the convex hull, indicating significant thermodynamic stability. As a member of the transparent conducting oxide class, it represents an intriguing candidate for optoelectronic research where stability and electronic performance are critical requirements. Its structural versatility is highlighted by multiple reported configurations across materials databases, suggesting a complex but well-defined landscape for potential synthesis and application. The material is of particular interest to researchers aiming to balance transparency with semiconducting behavior in thin-film devices. By leveraging its stable crystalline framework, scientists can explore its utility in next-generation electronic components that require robust performance under varying operational conditions.
Key Properties
Cross-validated computational properties for V2CdO4, 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 V2CdO4, 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. |
|---|---|---|---|---|---|
| Fd-3m (No. 227) | cubic | 0.00 | 0.0000 | -7.795 | 5.31 |
| I41/a (No. 88) | tetragonal | 0.65 | 0.0253 | -12.562 | 5.60 |
| Fd-3m (No. 227) | — | — | — | — | — |
| Fd-3m (No. 227) | Cubic | — | — | — | 5.31 |
| Fd-3m (No. 227) | Cubic | — | — | — | 5.93 |
| Fd-3m (No. 227) | Cubic | — | — | — | 5.61 |
| Fd-3m (No. 227) | cubic | — | — | — | 1.41 |
Applications
Where V2CdO4 is used.
Frequently Asked Questions
Common questions about V2CdO4, answered from cross-validated data.
What is V2CdO4?
V2CdO4 is a thermodynamically stable semiconducting oxide that belongs to the class of transparent conducting materials used in optoelectronic applications.
What is V2CdO4 used for?
What is the band gap of V2CdO4?
Is V2CdO4 a metal, semiconductor, or insulator?
Is V2CdO4 thermodynamically stable?
What is the crystal structure of V2CdO4?
What is the density of V2CdO4?
How many polymorphs of V2CdO4 are known?
What elements does V2CdO4 contain?
Where does the data for V2CdO4 come from?
How It Compares
Within the transparent conducting oxides class.
Within the diverse family of transparent conducting oxides, V2CdO4 occupies a distinct niche compared to widely utilized materials like ZnO or BaSnO3. While ZnO is a staple in industrial optoelectronics due to its well-understood doping mechanisms, V2CdO4 offers a different structural complexity that sets it apart from the spinel-based architectures seen in ZnGa2O4 or ZnCr2O4. Its thermodynamic stability makes it a reliable subject for fundamental studies, providing a unique alternative to the more common binary and ternary oxides currently dominating the field.
Related Compounds
Other Transparent Conducting Oxides in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- mpaloe — Data from mpaloe.
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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