Cd8O28Te8
Cd8O28Te8 is a stable, semiconducting transparent conducting oxide composed of cadmium, oxygen, and tellurium.
About Cd8O28Te8
Cd8O28Te8 is a thermodynamically stable compound belonging to the class of transparent conducting oxides. As a semiconducting material, it represents a complex arrangement of cadmium, oxygen, and tellurium that maintains structural integrity on the convex hull.
This material is of interest for its electronic properties, which are characteristic of oxides designed to balance optical transparency with electrical conductivity. Its presence in multiple structural databases highlights its significance as a subject of ongoing research for next-generation optoelectronic devices.
Key Properties
Cross-validated computational properties for Cd8O28Te8, 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 Cd8O28Te8, 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. |
|---|---|---|---|---|---|
| P-1 (No. 2) | triclinic | 1.77 | 0.0000 | -5.405 | 6.60 |
| — | — | — | — | — | 6.35 |
| P-1 (No. 2) | — | — | — | — | — |
Applications
Where Cd8O28Te8 is used.
Frequently Asked Questions
Common questions about Cd8O28Te8, answered from cross-validated data.
What is Cd8O28Te8?
Cd8O28Te8 is a stable, semiconducting transparent conducting oxide composed of cadmium, oxygen, and tellurium.
What is Cd8O28Te8 used for?
What is the band gap of Cd8O28Te8?
Is Cd8O28Te8 a metal, semiconductor, or insulator?
Is Cd8O28Te8 thermodynamically stable?
What is the crystal structure of Cd8O28Te8?
What is the density of Cd8O28Te8?
How many polymorphs of Cd8O28Te8 are known?
What elements does Cd8O28Te8 contain?
Where does the data for Cd8O28Te8 come from?
How It Compares
Within the transparent conducting oxides class.
While common transparent conducting oxides like ZnO are widely utilized for their well-understood conductivity, Cd8O28Te8 offers a more complex structural profile. Unlike the simpler binary oxides or the spinel-structured ZnGa2O4, this compound incorporates tellurium to achieve its unique semiconducting state, positioning it as a distinct alternative for specialized thin-film applications.
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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