SnCO2
SnCO2 is a metastable semiconducting oxide utilized in the study of transparent conducting materials for optoelectronic applications.
About SnCO2
SnCO2 is a semiconducting oxide that belongs to the class of transparent conducting materials. As a metastable phase, it represents a unique structural configuration within the carbon-tin-oxygen system, offering researchers a distinct electronic profile for investigation in thin-film applications. Its existence across multiple databases highlights its importance as a subject of computational and experimental interest in materials science. The material is primarily studied for its potential to bridge the gap between traditional transparent conducting oxides and specialized semiconducting applications. By leveraging its specific electronic character, researchers aim to understand how such metastable oxides can be stabilized and utilized in next-generation optoelectronic devices where transparency and conductivity are both required.
Key Properties
Cross-validated computational properties for SnCO2, 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 SnCO2, 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. |
|---|---|---|---|---|---|
| C2/c (No. 15) | monoclinic | 2.62 | 0.0838 | -7.615 | 4.45 |
| P-1 (No. 2) | Triclinic | — | — | — | 6.23 |
| P-1 (No. 2) | Triclinic | — | — | — | 5.80 |
| P-1 (No. 2) | Triclinic | — | — | — | 5.85 |
| P63mc (No. 186) | Hexagonal | — | — | — | 6.02 |
| P4mm (No. 99) | — | — | — | — | — |
| Cmcm (No. 63) | Orthorhombic | — | — | — | 5.20 |
| P63mc (No. 186) | Hexagonal | — | — | — | 5.97 |
Applications
Where SnCO2 is used.
Frequently Asked Questions
Common questions about SnCO2, answered from cross-validated data.
What is SnCO2?
SnCO2 is a metastable semiconducting oxide utilized in the study of transparent conducting materials for optoelectronic applications.
What is SnCO2 used for?
What is the band gap of SnCO2?
Is SnCO2 a metal, semiconductor, or insulator?
Is SnCO2 thermodynamically stable?
What is the crystal structure of SnCO2?
What is the density of SnCO2?
How many polymorphs of SnCO2 are known?
What elements does SnCO2 contain?
Where does the data for SnCO2 come from?
How It Compares
Within the transparent conducting oxides class.
Within the diverse family of transparent conducting oxides, SnCO2 occupies a niche position compared to more established, thermodynamically stable members like BaSnO3 or ZnO. While materials such as BaSnO3 are widely recognized for their robust performance in conductive applications, SnCO2 is distinguished by its metastable nature, which invites further study into its synthesis and long-term structural integrity compared to the highly stable spinel structures like ZnGa2O4.
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).
- mpaloe — Data from mpaloe.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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