Vanadium sesquioxide (V2O3) is a ceramic compound belonging to the transition metal oxide family, known for its mixed-valence electronic structure and metal-insulator transition behavior. It appears primarily in research and specialized applications rather than commodity use, with notable interest in smart coatings, thermal switching devices, and as a precursor or component in vanadium oxide systems for energy storage and catalytic applications. Engineers select V2O3 when its unique electronic and thermal properties—particularly its ability to undergo phase transitions—offer advantages over conventional ceramics in temperature-dependent or switchable-response systems.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 233.2 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.3000 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 111.5 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.800 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)3 entries | 0.000 | eV | DFT · PBE | ||
| ↳ | 0.000 | eV | DFT · OptB88vdW | ||
| ↳ | 0.000 | eV | DFT · TBmBJ | ||
Magnetic Moment(μB)2 entries | 0.8000 | μB | DFT | ||
| ↳ | 4.538 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000140 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000136 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | 10.96 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 28.60 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.06660 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf)3 entries | -1.888 | eV/atom | DFT | ||
| ↳ | -2.418 | eV/atom | DFT · OptB88vdW | ||
| ↳ | -2.526 | eV/atom | Measured |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data