Aluminum sulfide (Al₂S₃) is an inorganic ceramic compound combining aluminum and sulfur, belonging to the family of metal chalcogenides. It is primarily used in specialized research and development contexts rather than large-scale industrial production, particularly in materials science investigations of semiconductor properties, optical coatings, and solid-state chemistry. Engineers consider Al₂S₃ for niche applications requiring sulfide-based ceramics, though its moisture sensitivity and limited commercial availability make it less common than established alternatives like aluminum oxide or aluminum nitride in production environments.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 40.07 | GPa | — | ||
Poisson's Ratio(ν) | 0.2500 | - | — | ||
Shear Modulus(G) | 24.04 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.344 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 4.100 | eV | — | ||
| ↳ | 3.131 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 13.49 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.2706 | C/m² | — | ||
Seebeck Coefficient(S) | -214.7 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00950 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -1.349 | eV/atom | — | ||
| ↳ | -1.223 | eV/atom | — |