Ag4Mo2O8
Ag4Mo2O8 is a semiconducting silver molybdenum oxide that is considered a viable candidate for synthesis due to its thermodynamic stability.
About Ag4Mo2O8
Ag4Mo2O8 is a complex oxide composed of silver, molybdenum, and oxygen. As a semiconducting material, it exhibits electronic properties that make it a subject of interest for researchers investigating transition metal oxides with unique structural arrangements.
Its status as a near-hull compound suggests that it is likely synthesizable under appropriate laboratory conditions. With multiple reported structures across various databases, it represents a well-documented candidate for further experimental characterization in solid-state chemistry.
Key Properties
Cross-validated computational properties for Ag4Mo2O8, 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 Ag4Mo2O8, 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. |
|---|---|---|---|---|---|
| Fd-3m (No. 227) | cubic | 1.87 | 0.0010 | -6.440 | 6.23 |
| Pnma (No. 62) | orthorhombic | 0.98 | 0.3507 | -6.859 | 6.07 |
| Fd-3m (No. 227) | — | — | — | — | — |
| Fd-3m (No. 227) | — | — | — | — | — |
| — | — | — | — | — | 5.89 |
| — | — | — | — | — | 4.75 |
| — | — | — | — | — | 5.89 |
Applications
Where Ag4Mo2O8 is used.
Frequently Asked Questions
Common questions about Ag4Mo2O8, answered from cross-validated data.
What is Ag4Mo2O8?
Ag4Mo2O8 is a semiconducting silver molybdenum oxide that is considered a viable candidate for synthesis due to its thermodynamic stability.
What is Ag4Mo2O8 used for?
What is the band gap of Ag4Mo2O8?
Is Ag4Mo2O8 a metal, semiconductor, or insulator?
Is Ag4Mo2O8 thermodynamically stable?
What is the crystal structure of Ag4Mo2O8?
What is the density of Ag4Mo2O8?
How many polymorphs of Ag4Mo2O8 are known?
What elements does Ag4Mo2O8 contain?
Where does the data for Ag4Mo2O8 come from?
How It Compares
As a member of the silver molybdenum oxide family, this compound occupies a distinct structural space. While it lacks direct siblings in this specific dataset, it serves as a representative example of how silver and molybdenum can combine to form stable, semiconducting oxide frameworks.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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