Ho3CuSnS7 is a ternary sulfide compound combining holmium, copper, and tin—a rare-earth transition metal sulfide that exists primarily in research and experimental contexts rather than established commercial production. This material family is of interest in solid-state chemistry and materials physics for investigating novel crystal structures and potential electronic or magnetic properties arising from the combination of rare-earth and transition metal elements. Engineers and researchers would consider such compounds when exploring advanced functional materials for niche applications requiring rare-earth chemistry or when designing novel inorganic frameworks, though practical industrial adoption remains limited pending demonstration of scalable synthesis and clear performance advantages over conventional alternatives.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.921 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 1.452 | eV | DFT · OptB88vdW | ||
| ↳ | 2.060 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 16.77 | - | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 8.668 | - | DFT · OptB88vdW | ||
| ↳ | 5.460 | - | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.09352 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000855 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000823 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -234.9 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 272.6 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 21.63 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.01520 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.549 | 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