SmTlS2 is a ternary ceramic compound containing samarium, thallium, and sulfur, representing a rare-earth chalcogenide material primarily of research interest rather than established commercial use. This material belongs to the family of rare-earth metal sulfides, which are investigated for potential applications in solid-state electronics, photonics, and thermal management where their unique electronic and structural properties could offer advantages over conventional ceramics. The combination of rare-earth and chalcogenide chemistry suggests potential relevance in niche applications requiring specific optical, thermal, or electronic characteristics, though practical engineering deployment remains limited pending further development and cost evaluation.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 48.14 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2600 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 28.55 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.384 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 1.991 | eV | DFT · OptB88vdW | ||
| ↳ | 2.522 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 26.35 | - | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 7.744 | - | DFT · OptB88vdW | ||
| ↳ | 6.382 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 2.667 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 0.8667 | 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 | 0.00408 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00127 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -354.9 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 177.6 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 12.18 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.595 | 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