Ba3MgTa2O9 is a complex oxide ceramic compound belonging to the perovskite-related family, combining barium, magnesium, and tantalum oxides into a high-density structure. This material is primarily of research and development interest for microwave and radiofrequency applications, where its dielectric properties make it suitable for resonators and filters in telecommunications; it is also explored in specialized capacitor applications where thermal stability and chemical inertness are required. The tantalum content provides exceptional corrosion resistance and high-temperature stability, making it notable compared to simpler ceramic alternatives in demanding electro-optical and RF device environments.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 141.1 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2400 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 88.73 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.456 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)3 entries | 4.280 | eV | Measured | ||
| ↳ | 3.353 | eV | DFT · OptB88vdW | ||
| ↳ | 4.386 | eV | DFT · TBmBJ | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 4.861 | - | DFT · OptB88vdW | ||
| ↳ | 4.147 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 0.9633 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 2.610 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00173 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00147 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -255.6 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 390.1 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 0.000 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -3.277 | 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