Sr3AlO4F is a strontium aluminate fluoride ceramic compound belonging to the family of mixed-anion ceramics that combine oxides and fluorides. This material is primarily investigated in research contexts for optical and thermal applications where the fluoride component can modify both the crystal structure and functional properties compared to purely oxide-based alternatives. Industrial interest focuses on solid-state lighting phosphors, thermal barrier coatings, and specialized refractories where the strontium aluminate base combined with fluoride substitution offers potential advantages in photoluminescence efficiency, phase stability, or wear resistance.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 98.44 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2400 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 61.17 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.790 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 4.661 | eV | DFT · OptB88vdW | ||
| ↳ | 6.365 | eV | DFT · TBmBJ | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 3.411 | - | DFT · OptB88vdW | ||
| ↳ | 2.941 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 0.3167 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 1.247 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000820 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00132 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -127.6 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 294.6 | 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) | -3.359 | 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