BaAl4S7 is a barium aluminum sulfide compound belonging to the metal sulfide family, though it may exhibit semi-metallic or intermetallic characteristics depending on its crystal structure and bonding. This material is primarily of research interest rather than established industrial use, with potential applications in specialized ceramics, solid-state chemistry, and functional materials research. The barium-aluminum-sulfur system is investigated for its thermal stability, electrical properties, and potential use in advanced composite materials or specialized coatings where sulfide-based compounds offer advantages over conventional oxides.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1027 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 3.102 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 12.79 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.3887 | C/m² | — | ||
Seebeck Coefficient(S) | -133.3 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.488 | eV/atom | — |