LiBeSb is an intermetallic ceramic compound combining lithium, beryllium, and antimony, representing a niche class of lightweight ternary ceramics. This material remains primarily in the research and development phase rather than established production use; compounds in this family are investigated for potential applications requiring combinations of low density, thermal stability, and ionic or electronic properties that differ from conventional monolithic ceramics. Engineers would consider LiBeSb where experimental lightweight structural components, advanced thermal management systems, or electrochemical applications demand materials beyond conventional oxide or carbide ceramics, though material availability and manufacturing scale remain significant practical constraints.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 56.63 | GPa | DFT | ||
| ↳ | 50.80 | GPa | DFT · OptB88vdW | ||
| ↳ | 56.63 | GPa | DFT · PBE | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | DFT · PBE | ||
Elastic Anisotropy(AU) | 0.03729 | - | DFT · PBE | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | DFT · PBE | ||
Poisson's Ratio(ν)2 entries | 0.2200 | - | DFT · OptB88vdW | ||
| ↳ | 0.1739 | - | DFT · PBE | ||
Shear Modulus(G)3 entries | 47.20 | GPa | DFT | ||
| ↳ | 5.360 | GPa | DFT · OptB88vdW | ||
| ↳ | 47.20 | GPa | DFT · PBE |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.443 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 1.133 | eV | DFT · OptB88vdW | ||
| ↳ | 1.307 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 15.96 range 13.56–18.37median of 2 measurements | - | DFT · PBEsol | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 12.88 | - | DFT · OptB88vdW | ||
| ↳ | 13.96 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 0.6700 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 0.6200 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.6988 | C/m² | DFT · PBE | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | DFT · PBE | ||
Thermoelectric Power Factor(PF)2 entries | 0.00576 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00212 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -270.2 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 199 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 33.52 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.4106 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | 0.07877 | 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