Na₆ZnS₄ is an ionic ceramic compound belonging to the sulfide ceramic family, combining sodium, zinc, and sulfur in a fixed stoichiometric ratio. This material is primarily of research interest for solid-state ionics and energy storage applications, particularly as a potential superionic conductor or electrolyte material in advanced battery systems. Its notable characteristic is the combination of alkali metal (sodium) and transition metal (zinc) with sulfide anions, which creates the structural framework for potential fast ion transport—a property that makes it relevant to next-generation solid-state battery development where it competes with other sulfide-based solid electrolytes.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.323 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.237 | eV | DFT · OptB88vdW | ||
| ↳ | 4.331 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 8.835 | - | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 4.343 | - | DFT · OptB88vdW | ||
| ↳ | 2.774 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 0.3367 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 2.480 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.1236 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000601 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000845 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -85.84 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 272.6 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 0.000 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.175 | 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