Tantalum monoxide (TaO) is a refractory ceramic compound combining tantalum metal with oxygen, belonging to the family of transition metal oxides. It is primarily encountered in research and advanced materials development rather than large-scale production, where it is investigated for high-temperature applications, optical coatings, and electronic devices that exploit tantalum's chemical stability and high melting point. Engineers consider tantalum oxides when standard ceramics prove inadequate in extreme thermal or corrosive environments, or when the unique electrical and optical properties of transition metal oxides offer advantages over conventional alternatives.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.5189 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.000 | eV | DFT · OptB88vdW | ||
| ↳ | 0.000 | eV | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000114 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000119 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -2.330 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | -2.370 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 1.048 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.083 | 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