Strontium hexaboride (SrB6) is an advanced ceramic compound belonging to the hexaboride family, characterized by a rigid crystal structure with strong covalent bonding between strontium and boron atoms. While primarily investigated in research settings, SrB6 shows promise in applications requiring high hardness, thermal stability, and electrical conductivity—properties that position it as a potential alternative to conventional ceramics and refractory materials in extreme-environment engineering. Its semiconducting behavior and chemical stability make it of particular interest for thermionic emission devices and high-temperature structural applications, though industrial adoption remains limited compared to established hexaboride family members like LaB6.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 150.6 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2000 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 125.7 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.439 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)3 entries | 3.680 | eV | Measured | ||
| ↳ | 0.2560 | eV | DFT · TBmBJ | ||
| ↳ | 0.01600 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 8.774 | - | DFT · OptB88vdW | ||
| ↳ | 8.428 | - | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000665 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000937 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -69.48 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 83.94 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 6.110 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.4980 | 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