ZnSnO3
zinc stannate · zinc tin trioxide
Zinc stannate is a semiconducting ternary oxide used primarily in catalytic and sensing technologies.
About zinc stannate
ZnSnO3 is a semiconducting ternary oxide that functions as a notable member of the spinel-related catalyst family. Its unique electronic structure and chemical composition make it a subject of significant interest for researchers focusing on functional materials that require specific surface reactivity.
As a metastable compound, it offers distinct pathways for structural tuning during synthesis. This flexibility allows it to be utilized in high-performance applications where controlled electronic behavior is essential for efficient catalytic and sensing processes.
Key Properties
Cross-validated computational properties for zinc 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.
Reported Structures
Lowest-energy structures reported for ZnSnO3, 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. |
|---|---|---|---|---|---|
| R3c (No. 161) | trigonal | 1.08 | 0.0414 | -5.962 | 6.56 |
| R-3 (No. 148) | trigonal | 1.32 | 0.0549 | -5.949 | 6.46 |
| Pnma (No. 62) | orthorhombic | 1.11 | 0.0828 | -5.921 | 6.67 |
| Pm-3m (No. 221) | cubic | 0.00 | 0.7129 | -5.291 | 5.89 |
| R-3 (No. 148) | Trigonal | — | — | — | 6.71 |
| R-3 (No. 148) | — | — | — | — | — |
| R-3 (No. 148) | Trigonal | — | — | — | 6.46 |
| Pnma (No. 62) | Orthorhombic | — | — | — | 6.98 |
| Pnma (No. 62) | Orthorhombic | — | — | — | 7.29 |
| R3c (No. 161) | Trigonal | — | — | — | 6.83 |
| R-3 (No. 148) | Trigonal | — | — | — | 7.00 |
| Pnma (No. 62) | — | — | — | — | — |
Applications
Where zinc stannate is used.
Frequently Asked Questions
Common questions about zinc stannate, answered from cross-validated data.
What is ZnSnO3?
Zinc stannate is a semiconducting ternary oxide used primarily in catalytic and sensing technologies.
What is ZnSnO3 used for?
What is the band gap of ZnSnO3?
Is ZnSnO3 a metal, semiconductor, or insulator?
Is ZnSnO3 thermodynamically stable?
What is the crystal structure of ZnSnO3?
What is the density of ZnSnO3?
How many polymorphs of ZnSnO3 are known?
What elements does ZnSnO3 contain?
Where does the data for ZnSnO3 come from?
How It Compares
Within the spinel oxide catalysts class.
Unlike the highly stable binary oxides such as ZnO or NiO, ZnSnO3 exists in a metastable state that provides different opportunities for defect engineering. While complex perovskite-structured oxides like LaNiO3 or LaMnO3 are often studied for their magnetic and electronic transitions, ZnSnO3 is primarily valued for its potential in gas sensing and photocatalysis due to its specific semiconducting characteristics.
Related Compounds
Other Spinel Oxide Catalysts 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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