SrAl2Se4 is a ternary chalcogenide compound combining strontium, aluminum, and selenium, belonging to the family of metal selenides being investigated for semiconductor and optoelectronic applications. This material is primarily of research interest rather than established industrial production, with potential applications in photovoltaic devices, photodetectors, and solid-state electronics where its electronic bandgap and crystal structure may offer advantages in light absorption or charge transport. Engineers considering this material should recognize it as an emerging compound requiring further development and characterization, positioned alongside other II-IV-VI semiconductors being explored for next-generation energy conversion and sensing technologies.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 35.76 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2500 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 22.17 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.027 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 3.144 | eV | DFT · OptB88vdW | ||
| ↳ | 3.930 | eV | DFT · TBmBJ | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 5.922 | - | DFT · OptB88vdW | ||
| ↳ | 3.785 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 0.3867 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 1.040 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00237 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00229 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -203.2 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 309.9 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 0.06000 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.354 | 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