Mg₂SiS₄ is a magnesium silicate sulfide ceramic compound belonging to the thiospinel or sulfide-silicate family of materials. This is a research-phase material primarily of academic interest for studying mixed anion ceramics and their thermomechanical properties, rather than an established commercial ceramic. Potential engineering value lies in thermal barrier applications, solid-state battery electrolytes, or advanced refractory systems where magnesium silicates are modified with sulfide chemistry to tailor ionic conductivity and thermal stability.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.426 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 2.987 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 5.629 | - | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.271 | 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