WBr₆ (tungsten hexabromide) is a halogenated tungsten compound that exists primarily as a research material rather than a commercial engineering metal. It belongs to the family of tungsten halides, which are of interest in materials science for chemical vapor deposition (CVD) processes and synthesis of tungsten-containing coatings and composites. While not widely deployed in structural applications, tungsten halides serve niche roles in semiconductor processing, refractory coating development, and advanced materials research where tungsten's high melting point and chemical stability are leveraged.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 2,103 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2700 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 1,195.1 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1909 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.3400 | eV | DFT · OptB88vdW | ||
| ↳ | 1.140 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 8.470 | - | DFT · PBE | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 14.07 | - | DFT · OptB88vdW | ||
| ↳ | 10.46 | - | DFT · TBmBJ | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | DFT · PBE | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | DFT · PBE | ||
Electron Effective Mass(m*e) | 0.02000 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 0.02000 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000753 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00156 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | 460.5 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 354.1 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 33.83 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf)2 entries | -0.4982 | eV/atom | DFT · OptB88vdW | ||
| ↳ | -0.5080 | 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