Na2MgAlF7 is an ionic fluoride compound containing sodium, magnesium, and aluminum—a synthetic material that falls into the family of complex metal fluorides rather than a conventional metallic alloy. This compound is primarily of research and specialized industrial interest, particularly in fluoride-based ceramics, optical materials, and high-temperature applications where fluoride compounds offer superior chemical stability and thermal properties compared to oxide-based alternatives. Engineers select fluoride compounds like this for applications requiring corrosion resistance to aggressive chemicals, thermal stability at elevated temperatures, or specific optical/electrical properties, though Na2MgAlF7 remains less common in mainstream engineering than established alternatives like traditional ceramics or specialized metal alloys.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 68.79 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2400 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 43.63 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.911 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 7.066 | eV | DFT · OptB88vdW | ||
| ↳ | 11.15 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 23.08 | - | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 1.888 | - | DFT · OptB88vdW | ||
| ↳ | 1.559 | - | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00121 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000262 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -163.8 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 469 | 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) | 0.00200 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -3.509 | 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