Y3AlCoS7 is an experimental ternary sulfide compound combining rare-earth yttrium, aluminum, cobalt, and sulfur elements. This material belongs to the family of thiospinels and chalcogenides under active research for functional and structural applications requiring alternative chemistries to conventional oxides. The compound remains largely in the research phase, with potential interest in thermoelectric devices, magnetic applications, or catalytic systems where the combination of rare-earth and transition-metal sulfides offers unique electronic and phononic properties distinct from traditional intermetallics or ceramics.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1443 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.05000 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 17.14 | - | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 2.026 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000291 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000183 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | 64.04 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 66.93 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.04370 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.734 | 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