CaCo₂O₄ is a mixed-valence calcium cobalt oxide ceramic compound belonging to the family of layered perovskite or spineloid structures. This material is primarily investigated in research contexts for applications requiring specific electronic or magnetic properties, particularly in catalysis, energy storage, and solid-state chemistry where cobalt-based oxides offer tunable oxidation states and ion-exchange capabilities. Compared to simpler oxides, calcium cobalt mixed-metal compounds can provide enhanced catalytic activity or electrochemical performance, making them candidates for next-generation functional ceramics, though industrial adoption remains limited outside specialized research applications.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.537 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.3890 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 14.94 | - | DFT · OptB88vdW | ||
Electron Effective Mass(m*e) | 0.1067 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 0.1100 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000804 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000116 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -364.9 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 120.7 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.834 | eV/atom | DFT · OptB88vdW |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data