MnAl2S4 is a ternary metal sulfide compound combining manganese and aluminum in a sulfide matrix, belonging to the thiospinel or metal sulfide family of materials. This is primarily a research material studied for potential applications in energy storage, photocatalysis, and semiconductor devices rather than an established industrial workhorse. Its mixed-metal composition and sulfide bonding offer theoretical advantages in ion conductivity and light-absorption properties compared to single-element alternatives, making it of interest for emerging technologies where conventional oxides or single sulfides prove limiting.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 8,606.5 | ksi | — | ||
Poisson's Ratio(ν) | 0.3700 | - | — | ||
Shear Modulus(G) | 3,366.3 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1083 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 79.83 | - | — | ||
Piezoelectric Modulus(eij) | 0.3881 | C/m² | — | ||
Seebeck Coefficient(S) | -30.96 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1386 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.8899 | eV/atom | — |