Samarium tribromide (SmBr3) is an inorganic ceramic compound composed of samarium and bromine, belonging to the rare-earth halide family of materials. While primarily used in research and specialized applications, SmBr3 serves as a precursor for samarium metal production and finds limited use in optical and electronic applications where rare-earth halides are valued for their unique electronic properties. This compound represents an emerging materials space rather than a mature industrial ceramic, with potential relevance in next-generation optoelectronics, catalysis, and advanced ceramic synthesis where lanthanide halides offer distinctive reactivity and structural characteristics unavailable from conventional oxides or nitrides.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 4,341 | ksi | DFT · OptB88vdW | ||
Exfoliation Energy(Eexf) | 87.72 | meV/atom | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2700 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 2,349.6 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1990 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.691 | eV | DFT · OptB88vdW | ||
| ↳ | 4.001 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 10.83 | - | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 4.898 | - | DFT · OptB88vdW | ||
| ↳ | 4.247 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 1.253 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 2.467 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00115 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00143 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -214.7 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 257.2 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 0.01000 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.969 | 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