Yb2PrDyS6 is a rare-earth sulfide ceramic compound combining ytterbium, praseodymium, and dysprosium—a multi-rare-earth system designed for advanced functional applications. This material family is primarily investigated for optoelectronic and photonic devices where rare-earth ions provide luminescent properties, thermal stability, and chemical robustness; it may also be relevant for high-temperature structural applications or specialized electronic components where rare-earth activation is beneficial. While not yet commoditized, materials of this composition are of research and development interest in the ceramics industry, particularly where lanthanide-doped sulfides offer advantages over oxides in specific wavelength windows or thermal environments.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 7,463.6 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.3200 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 3,105.3 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2054 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 1.100 | eV | DFT · OptB88vdW | ||
| ↳ | 1.634 | eV | DFT · TBmBJ | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 6.931 | - | DFT · OptB88vdW | ||
| ↳ | 5.372 | - | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000308 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000328 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -237.3 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 342.2 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 30.47 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1708 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.955 | 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