SrBeF4 is an inorganic ceramic compound combining strontium, beryllium, and fluorine—a beryllium fluoride-based ceramic known for its optical transparency and thermal stability. This material is primarily of research and specialized optical interest, used in applications requiring UV transmission, laser optics, and high-temperature optical windows where conventional glasses fail; it belongs to the family of fluoride ceramics that offer superior transparency in the ultraviolet and infrared spectrum compared to silicate-based alternatives. Engineers typically consider SrBeF4 when designing optical systems in harsh thermal environments, though it remains less common than yttria or sapphire due to beryllium's toxicity handling requirements and material costs.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 62.53 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.3000 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 29.54 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.786 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 7.988 | eV | DFT · OptB88vdW | ||
Dielectric Constant (Relative Permittivity)(εr) | 8.003 | - | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 2.177 | - | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000804 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000300 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -116.3 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 475.2 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -3.847 | 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