KHoS₂ is a rare-earth sulfide ceramic compound combining potassium and holmium with sulfur, representing a member of the ternary metal sulfide family used primarily in specialized research and high-temperature applications. While not widely deployed in mainstream industrial production, this material is of interest for its potential in optical, electronic, and thermal management systems where rare-earth ceramics offer unique electromagnetic or luminescent properties. Engineers considering KHoS₂ would typically be working in advanced materials development rather than established commodity applications, selecting it for niche high-temperature or functional ceramic roles where its rare-earth constituents provide advantages unavailable from common oxides or simple sulfides.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 49.26 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2300 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 33.25 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.389 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.356 | eV | DFT · OptB88vdW | ||
| ↳ | 3.298 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 14.39 | - | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 5.512 | - | DFT · OptB88vdW | ||
| ↳ | 4.453 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 0.6733 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 1.457 | 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 | 0.00335 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00170 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -273.3 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 272.8 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 2.270 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -2.066 | 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