CoAgO2

Silver cobalt oxide is a complex inorganic material often studied for its magnetic and electronic properties. It is primarily utilized in advanced materials research to explore potential applications in catalysis and electrochemical devices.

Crystal structure of CoAgO2 (hexagonal, P63/mmc (No. 194))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for CoAgO2, aggregated across 3 databases.

Band Gap

0.26–1.33 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

17
3 databases, 2 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for CoAgO2, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P63/mmc (No. 194)hexagonal1.330.0000-5.9747.58
R-3m (No. 166)trigonal0.260.0750-5.8996.64
P63/mmc (No. 194)hexagonal1.190.0773-5.8966.60
P63/mmc (No. 194)hexagonal0.000.6377-5.3365.60
P63/mmc (No. 194)Hexagonal7.56
R-3m (No. 166)Trigonal6.64
P63/mmc (No. 194)Hexagonal7.31
P63/mmc (No. 194)Hexagonal7.56
P63/mmc (No. 194)Hexagonal8.34
R-3m (No. 166)
P63/mmc (No. 194)Hexagonal7.81
R-3m (No. 166)Trigonal8.34
Uses

Applications

Where CoAgO2 is used.

Materials science researchCatalysis studiesElectrochemical device development
Reference

Frequently Asked Questions

Common questions about CoAgO2, answered from cross-validated data.

What is CoAgO2?

Silver cobalt oxide is a complex inorganic material often studied for its magnetic and electronic properties. It is primarily utilized in advanced materials research to explore potential applications in catalysis and electrochemical devices.

More questions
What is CoAgO2 used for?
CoAgO2 is used in materials science research, catalysis studies, and electrochemical device development.
What is the band gap of CoAgO2?
CoAgO2 has a DFT-computed band gap of 0.26–1.33 eV across 17 reported structures.
Is CoAgO2 a metal, semiconductor, or insulator?
With a band gap up to 1.33 eV it is a semiconductor.
Is CoAgO2 thermodynamically stable?
Yes — CoAgO2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of CoAgO2?
The lowest-energy reported polymorph of CoAgO2 is hexagonal symmetry, space group P63/mmc (No. 194).
What is the density of CoAgO2?
The computed density of the ground-state structure of CoAgO2 is 7.58 g/cm³.
How many polymorphs of CoAgO2 are known?
17 structures of CoAgO2 are reported across 3 databases, spanning 2 distinct space groups.
What elements does CoAgO2 contain?
CoAgO2 contains Ag, Co, and O (3 elements).
Where does the data for CoAgO2 come from?
CoAgO2 data is cross-referenced from materials_project, mpaloe, jarvis.
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Related Compounds

Other Oxide Oxygen-Evolution 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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