In2SiAg2Se6 is a ternary intermetallic compound combining indium, silver, silicon, and selenium, belonging to the family of chalcogenide-based semiconductors and thermoelectric materials. This is primarily a research-stage compound studied for its potential in thermoelectric energy conversion and optoelectronic applications, where the combination of heavy elements (Ag, In) with selenide chemistry can enable efficient phonon scattering and carrier transport. Engineers would consider this material for solid-state cooling, waste heat recovery, or infrared detection systems where layered crystal structures and mixed-valence chemistry offer advantages over conventional binary semiconductors.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.417 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.3650 | eV | DFT · OptB88vdW | ||
| ↳ | 1.492 | eV | DFT · TBmBJ | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 9.804 | - | DFT · OptB88vdW | ||
| ↳ | 6.129 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 0.1300 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 0.4133 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000259 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00101 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -48.27 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 276.5 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 32.41 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.3968 | 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