Rb2NaGaF6 is a complex fluoride ceramic compound belonging to the elpasolite family of materials, characterized by a mixed-cation structure combining rubidium, sodium, and gallium with fluorine. This material is primarily of research interest for optical and photonic applications, where fluoride ceramics are valued for their transparency in the infrared spectrum and low phonon energies that minimize non-radiative losses. The dual-alkali composition and gallium coordination make this compound relevant for scintillation detection, laser host matrices, and potential solid-state lighting applications where materials must transmit or emit light efficiently across broad wavelength ranges.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 7,309.9 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2500 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 4,342.4 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1516 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 6.327 | eV | DFT · OptB88vdW | ||
| ↳ | 9.155 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 4.551 range 2.200–6.903median of 2 measurements | - | DFT · PBEsol | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 2.240 | - | DFT · OptB88vdW | ||
| ↳ | 1.845 | - | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000928 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000749 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -145.6 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 485.2 | 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) | -3.005 | 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