AgO2Zn
AgO2Zn is a metastable semiconducting spinel oxide used in specialized catalytic research.
About AgO2Zn
AgO2Zn is a semiconducting spinel oxide that represents a complex intersection of transition metal chemistry. As a metastable phase, it holds significant interest for researchers investigating non-equilibrium material synthesis and the tuning of electronic properties in oxide systems.
This compound is primarily studied for its potential in catalytic applications where its unique electronic structure can facilitate specific chemical transformations. Its existence as a metastable material makes it a subject of intense focus for understanding phase stability and structural evolution in spinel-based catalysts.
Key Properties
Cross-validated computational properties for AgO2Zn, aggregated across 2 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 AgO2Zn, 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. |
|---|---|---|---|---|---|
| I41/amd (No. 141) | tetragonal | 0.22 | 0.0689 | -4.530 | 6.04 |
| Fddd (No. 70) | orthorhombic | 0.24 | 0.0892 | -4.510 | 6.09 |
| Pbcm (No. 57) | orthorhombic | 0.20 | 0.1055 | -4.493 | 6.99 |
| I41/a (No. 88) | tetragonal | 0.00 | 0.1204 | -4.479 | 6.62 |
| Imma (No. 74) | orthorhombic | 0.00 | 0.1355 | -4.463 | 6.64 |
| Cm (No. 8) | monoclinic | 0.00 | 0.1360 | -4.463 | 6.54 |
| R3m (No. 160) | trigonal | 0.00 | 0.1364 | -4.463 | 6.53 |
| Cm (No. 8) | monoclinic | 0.00 | 0.1365 | -4.462 | 6.53 |
| P3m1 (No. 156) | trigonal | 0.00 | 0.1471 | -4.452 | 6.55 |
| P-1 (No. 2) | triclinic | 0.25 | 0.1496 | -4.449 | 6.02 |
| P3m1 (No. 156) | trigonal | 0.00 | 0.1589 | -4.440 | 6.53 |
| Cmcm (No. 63) | orthorhombic | 0.00 | 0.1674 | -4.432 | 7.29 |
Applications
Where AgO2Zn is used.
Frequently Asked Questions
Common questions about AgO2Zn, answered from cross-validated data.
What is AgO2Zn?
AgO2Zn is a metastable semiconducting spinel oxide used in specialized catalytic research.
What is AgO2Zn used for?
What is the band gap of AgO2Zn?
Is AgO2Zn a metal, semiconductor, or insulator?
Is AgO2Zn thermodynamically stable?
What is the crystal structure of AgO2Zn?
What is the density of AgO2Zn?
How many polymorphs of AgO2Zn are known?
What elements does AgO2Zn contain?
Where does the data for AgO2Zn come from?
How It Compares
Within the spinel oxide catalysts class.
Within the broad category of spinel oxides and related binary oxides like ZnO, NiO, and CuO, AgO2Zn occupies a distinct niche due to its metastable nature compared to the highly stable, common oxides like MgAl2O4 or Al2O3. While materials like LaMnO3 or LaNiO3 are frequently utilized for their robust perovskite-based catalytic activity, AgO2Zn offers a different structural pathway, providing a unique electronic environment that sets it apart from the more conventional binary and ternary oxides in this class.
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).
- nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
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