Cadmium fluoride (CdF₂) is an ionic ceramic compound belonging to the fluorite family, characterized by its cubic crystal structure and high chemical stability. It is primarily used in specialized optical and optoelectronic applications where transparency to ultraviolet and infrared radiation is required, particularly in laser systems, spectroscopy windows, and thermal imaging components. CdF₂ is valued for its wide optical transmission range and resistance to harsh chemical environments, though its adoption is limited by cadmium's toxicity concerns and the availability of alternative fluoride ceramics in many commercial applications.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 15,403 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.3700 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 4,942.9 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2238 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)3 entries | 6.000 | eV | Measured | ||
| ↳ | 3.063 | eV | DFT · OptB88vdW | ||
| ↳ | 6.380 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 8.123 | - | DFT · OptB88vdW | ||
| ↳ | 9.020 | - | DFT · PBE | ||
| ↳ | 5.749 range 2.890–8.607median of 2 measurements | - | DFT · PBEsol | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 2.818 | - | DFT · OptB88vdW | ||
| ↳ | 2.003 | - | DFT · TBmBJ | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | DFT · PBE | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | DFT · PBE | ||
Electron Effective Mass(m*e) | 0.3900 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 1.710 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000687 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00190 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -101.9 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 424.1 | 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)2 entries | -2.309 | eV/atom | DFT · OptB88vdW | ||
| ↳ | -2.420 | eV/atom | Measured |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data