ScNiSb is a ternary intermetallic compound combining scandium, nickel, and antimony, belonging to the Heusler or half-Heusler alloy family of semiconductors. This material is primarily of research interest for thermoelectric and spintronic applications, where its electronic band structure and thermal transport properties make it a candidate for solid-state energy conversion and potential magnetoresistive devices. The compound represents an emerging materials system where engineers and materials scientists explore unconventional elemental combinations to achieve improved figure-of-merit values or novel functional properties beyond what conventional binary or ternary semiconductors provide.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 103.6 | GPa | DFT | ||
| ↳ | 105.3 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2500 | - | DFT · OptB88vdW | ||
Shear Modulus(G)2 entries | 66.34 | GPa | DFT | ||
| ↳ | 64.02 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.573 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)3 entries | 0.1100 | eV | Measured | ||
| ↳ | 0.2630 | eV | DFT · OptB88vdW | ||
| ↳ | 0.2930 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 22.65 | - | DFT · OptB88vdW | ||
| ↳ | 22.40 | - | DFT · PBE | ||
| ↳ | 20.04 range 18.08–22.00median of 2 measurements | - | DFT · PBEsol | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 19.31 | - | DFT · OptB88vdW | ||
| ↳ | 18.88 | - | DFT · TBmBJ | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | DFT · PBE | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | DFT · PBE | ||
Electron Effective Mass(m*e) | 0.01000 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 0.01000 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij)2 entries | 0.08595 | C/m² | DFT · OptB88vdW | ||
| ↳ | 0.07435 | C/m² | DFT · PBE | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | DFT · PBE | ||
Thermoelectric Power Factor(PF)2 entries | 0.00293 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00269 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -280.7 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 224.4 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 5.840 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.9229 | 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