CdSnO3
cadmium stannate · cadmium tin trioxide
CdSnO3 is a stable, semiconducting transparent conducting oxide used in the development of optoelectronic and sensing technologies.
About cadmium stannate
CdSnO3 is a thermodynamically stable ternary oxide that functions as a transparent conducting oxide. Its semiconducting electronic character makes it a subject of significant interest for researchers looking to balance optical transparency with electrical conductivity in thin-film devices.
Because it resides on the convex hull, this material exhibits robust structural integrity. Its versatility is highlighted by the numerous reported crystal structures, which provide a rich foundation for tailoring its performance in various electronic and sensing applications.
Key Properties
Cross-validated computational properties for cadmium stannate, 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 CdSnO3. 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 CdSnO3, 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. |
|---|---|---|---|---|---|
| R-3 (No. 148) | trigonal | 0.98 | 0.0000 | -5.800 | 7.07 |
| R-3 (No. 148) | trigonal | 1.13 | 0.0020 | -1.564 | — |
| — | — | 1.27 | 0.0037 | -1.701 | — |
| Pnma (No. 62) | orthorhombic | 0.91 | 0.0141 | -1.551 | — |
| Pnma (No. 62) | orthorhombic | 0.69 | 0.0304 | -5.770 | 7.64 |
| — | — | 1.18 | 0.0332 | -1.671 | — |
| — | — | 1.06 | 0.0456 | -1.659 | — |
| P21/m (No. 11) | monoclinic | 0.71 | 0.0796 | -5.721 | 5.95 |
| — | — | 0.47 | 0.1521 | -1.552 | — |
| — | — | 0.28 | 0.2702 | -1.434 | — |
| — | — | 0.36 | 0.2729 | -1.431 | — |
| — | — | 0.00 | 0.3446 | -1.360 | — |
Applications
Where cadmium stannate is used.
Frequently Asked Questions
Common questions about cadmium stannate, answered from cross-validated data.
What is CdSnO3?
CdSnO3 is a stable, semiconducting transparent conducting oxide used in the development of optoelectronic and sensing technologies.
What is CdSnO3 used for?
What is the band gap of CdSnO3?
Is CdSnO3 a metal, semiconductor, or insulator?
Is CdSnO3 thermodynamically stable?
What is the crystal structure of CdSnO3?
How many polymorphs of CdSnO3 are known?
What elements does CdSnO3 contain?
Where does the data for CdSnO3 come from?
How It Compares
Within the transparent conducting oxides class.
Within the diverse family of transparent conducting oxides, CdSnO3 offers a distinct alternative to more common binary systems like ZnO. While materials such as BaSnO3 are frequently studied for their high-mobility transport properties, CdSnO3 provides a unique structural framework that allows for different band engineering possibilities compared to complex spinel-type oxides like ZnGa2O4.
Related Compounds
Other Transparent Conducting Oxides in the database.
Data sources & attribution
- 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)
- 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)
- mpaloe — Data from MP-ALOE. Cite: Kuner et al., npj Comput. Mater. (2025), doi:10.1038/s41524-025-01834-9.
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