Cd2O8W2
Cd2O8W2 is a stable, wide-gap insulating oxide containing cadmium and tungsten that is studied for its structural properties in electronic materials research.
About Cd2O8W2
Cd2O8W2 is a complex oxide composed of cadmium, tungsten, and oxygen. As a thermodynamically stable compound residing on the convex hull, it represents a robust structural configuration within the broader family of metal oxides.
Characterized as a wide-band-gap insulator, this material is primarily investigated for its potential roles in advanced electronic and optical applications. Its structural stability makes it an intriguing candidate for fundamental studies in materials science and solid-state chemistry.
Key Properties
Cross-validated computational properties for Cd2O8W2, 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 Cd2O8W2, 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. |
|---|---|---|---|---|---|
| P2/c (No. 13) | monoclinic | 3.26 | 0.0000 | -7.604 | 7.89 |
| — | — | — | — | — | 7.55 |
| P2/c (No. 13) | — | — | — | — | — |
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| P2/c (No. 13) | — | — | — | — | — |
| P2/c (No. 13) | — | — | — | — | — |
| P2/c (No. 13) | — | — | — | — | — |
| P2/c (No. 13) | — | — | — | — | — |
| P2/c (No. 13) | — | — | — | — | — |
| P2/c (No. 13) | — | — | — | — | — |
| P2/c (No. 13) | — | — | — | — | — |
| P2/c (No. 13) | — | — | — | — | — |
Applications
Where Cd2O8W2 is used.
Frequently Asked Questions
Common questions about Cd2O8W2, answered from cross-validated data.
What is Cd2O8W2?
Cd2O8W2 is a stable, wide-gap insulating oxide containing cadmium and tungsten that is studied for its structural properties in electronic materials research.
What is Cd2O8W2 used for?
What is the band gap of Cd2O8W2?
Is Cd2O8W2 a metal, semiconductor, or insulator?
Is Cd2O8W2 thermodynamically stable?
What is the crystal structure of Cd2O8W2?
What is the density of Cd2O8W2?
How many polymorphs of Cd2O8W2 are known?
What elements does Cd2O8W2 contain?
Where does the data for Cd2O8W2 come from?
How It Compares
Within the transparent conducting oxides class.
Within the class of transparent conducting oxides, Cd2O8W2 occupies a distinct niche compared to more common members like ZnO or BaSnO3. While many of its siblings are optimized for high electrical conductivity, Cd2O8W2 is defined by its insulating electronic character, serving as a structural reference point for understanding how heavy metal cations influence the properties of complex oxide frameworks.
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).
- 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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