Ta₂SnO₇ is a pyrochlore-structure ceramic compound combining tantalum and tin oxides, belonging to the family of mixed-metal oxides studied for their electrochemical and thermal properties. This material is primarily investigated in research contexts for applications requiring chemical stability and high-temperature performance, particularly in electrochemistry, catalysis, and as a potential thermal barrier or dielectric component. Its appeal lies in combining the refractory characteristics of tantalum oxides with the electrochemical activity of tin-based phases, making it of interest where conventional single-metal oxide ceramics show limitations.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 9.272 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.657 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 7.017 | - | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00108 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000830 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -189.5 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 356.8 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1479 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -2.521 | 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