Beryllium sulfate (BeSO₄) is an inorganic ceramic compound combining beryllium oxide chemistry with sulfate bonding, creating a rigid crystalline material. It appears primarily in research and specialized industrial contexts rather than mainstream engineering applications, with interest driven by beryllium's exceptional stiffness-to-weight ratio and the sulfate's chemical stability. Engineers consider beryllium compounds where extreme rigidity, thermal stability, or neutron transparency is critical, though practical use remains limited due to beryllium's toxicity concerns, cost, and the availability of alternative ceramics for most applications.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 5,803 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.1300 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 5,481 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.09010 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 7.303 | eV | DFT · OptB88vdW | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 4.721 | - | DFT · OptB88vdW | ||
| ↳ | 3.378 range 2.404–4.352median of 2 measurements | - | DFT · PBEsol | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 2.602 | - | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij)2 entries | 0.4177 | C/m² | DFT · OptB88vdW | ||
| ↳ | 0.04210 | C/m² | DFT · PBE | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | DFT · PBE | ||
Thermoelectric Power Factor(PF)2 entries | 0.000861 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000317 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -141.7 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 520.9 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf)2 entries | -1.927 | eV/atom | DFT · OptB88vdW | ||
| ↳ | -2.039 | eV/atom | Measured |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data