Barium sodium disilicate (BaNa₂Si₂O₆) is an alkaline earth silicate ceramic compound belonging to the silicate mineral family. This material is primarily of research and specialized industrial interest, particularly in glass and ceramic formulations where its barium and sodium content can modify thermal, optical, and chemical properties of the host matrix. Applications leverage silicates' thermal stability and chemical inertness, making them candidates for glass-ceramics, refractory coatings, or specialized optical materials where barium's high refractive index and density can be beneficial.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.532 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.501 | eV | DFT · OptB88vdW | ||
Dielectric Constant (Relative Permittivity)(εr) | 8.792 | - | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 2.826 | - | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.2139 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000587 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000356 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -100.6 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 384.4 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00840 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -2.794 | 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