AgPbO2
AgPbO2 is a metastable semiconducting oxide composed of silver, lead, and oxygen that is primarily utilized in experimental materials research.
About AgPbO2
AgPbO2 is a complex oxide featuring silver and lead, characterized by its semiconducting electronic nature. As a metastable compound, it represents a unique phase that requires specific synthetic conditions to maintain its structural integrity. Its existence within multiple databases highlights its significance in fundamental materials research.
This material is primarily studied for its potential roles in advanced electronic and optoelectronic applications. Due to its distinct composition, it serves as a subject of interest for researchers investigating the interplay between heavy metal cations and oxygen coordination in semiconducting frameworks.
Key Properties
Cross-validated computational properties for AgPbO2, 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 AgPbO2, 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/m (No. 12) | monoclinic | 0.03 | 0.0332 | -5.108 | 7.72 |
| P2/m (No. 10) | monoclinic | 0.14 | 0.0443 | -5.096 | 7.77 |
| C2/m (No. 12) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| P2/m (No. 10) | Monoclinic | — | — | — | 8.32 |
| C2/m (No. 12) | Monoclinic | — | — | — | 8.04 |
| P2/m (No. 10) | Monoclinic | — | — | — | 7.77 |
| C2/m (No. 12) | Monoclinic | — | — | — | 7.72 |
| P2/m (No. 10) | Monoclinic | — | — | — | 8.12 |
| C2/m (No. 12) | Monoclinic | — | — | — | 8.24 |
Applications
Where AgPbO2 is used.
Frequently Asked Questions
Common questions about AgPbO2, answered from cross-validated data.
What is AgPbO2?
AgPbO2 is a metastable semiconducting oxide composed of silver, lead, and oxygen that is primarily utilized in experimental materials research.
What is AgPbO2 used for?
What is the band gap of AgPbO2?
Is AgPbO2 a metal, semiconductor, or insulator?
Is AgPbO2 thermodynamically stable?
What is the crystal structure of AgPbO2?
What is the density of AgPbO2?
How many polymorphs of AgPbO2 are known?
What elements does AgPbO2 contain?
Where does the data for AgPbO2 come from?
How It Compares
As a specialized oxide, AgPbO2 occupies a distinct niche in materials science, serving as an example of metastable phases that challenge traditional synthesis pathways. Without direct structural siblings, it stands as a unique reference point for exploring the electronic behaviors of mixed-metal oxides containing both noble and post-transition metals.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- mpaloe — Data from mpaloe.
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