Ho3CuSiSe7 is a ternary intermetallic compound combining holmium (a rare earth element), copper, silicon, and selenium. This is a research-phase material rather than an established commercial alloy, belonging to the family of rare-earth transition metal selenides that have attracted attention for their potential semiconducting and thermoelectric properties. The material's notable characteristics within its compound class stem from the combination of rare earth and chalcogenide elements, which can produce unusual electronic and thermal behavior relevant to advanced energy conversion and solid-state device applications.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.907 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.734 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 9.485 | - | DFT · OptB88vdW | ||
Electron Effective Mass(m*e) | 0.6600 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 1.277 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00135 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00102 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -193.9 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 254.4 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.353 | 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