SmB11 is a boron-rich ceramic compound belonging to the rare-earth hexaboride family, where samarium (Sm) is combined with boron in a 1:11 stoichiometric ratio. This material is primarily of research and specialized industrial interest due to its exceptional hardness, high melting point, and unique electronic properties that make it valuable for extreme-temperature and wear-resistant applications. SmB11 is notably employed in abrasive tools, refractory coatings, and emerging applications in thermionic devices and neutron shielding, where its combination of thermal stability and hardness outperforms conventional ceramics in demanding environments.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.173 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.1290 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 16.45 | - | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.3109 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | 0.03557 | 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