Ba₂YBr₇ is a rare-earth halide ceramic compound containing barium, yttrium, and bromine. This material is primarily of research interest for applications requiring high-density ceramic hosts, particularly in scintillation detection and luminescent materials where halide compositions can offer rapid response times and tunable optical properties compared to oxide alternatives. While not yet widely commercialized in mainstream engineering, barium-yttrium halides represent an active area of study for radiation detection systems and solid-state lighting applications.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1759 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 3.156 | eV | DFT · OptB88vdW | ||
| ↳ | 3.768 | eV | DFT · TBmBJ | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 4.399 | - | DFT · OptB88vdW | ||
| ↳ | 4.067 | - | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000386 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000291 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -272.1 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 360.7 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 0.3600 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.06910 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -2.130 | 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