Sr2Al2SiO7 is an alkaline-earth aluminosilicate ceramic compound belonging to the silicate family, characterized by strontium and aluminum as primary constituents. This material is of primary interest in high-temperature structural applications and advanced ceramic systems, where it serves roles in refractory compositions, thermal barrier coatings, and specialized cement formulations. Sr-Al silicates are notable for their stability at elevated temperatures and resistance to thermal cycling, making them candidates for applications requiring durability in thermally demanding environments compared to conventional silicate ceramics.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1351 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.274 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 3.058 | - | 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) | -3.318 | 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