BaMg2FeH8 is an experimental metal hydride compound combining barium, magnesium, iron, and hydrogen in a complex stoichiometric structure. This material belongs to the family of intermetallic hydrides under active research for energy storage and hydrogen economy applications, where reversible hydrogen absorption and release are critical functional requirements. The compound is not yet established in mainstream industrial production but represents the type of advanced material being investigated for next-generation hydrogen storage systems and solid-state energy conversion technologies.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 54.12 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2000 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 40.65 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.332 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 1.524 | eV | DFT · OptB88vdW | ||
| ↳ | 1.443 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 8.899 range 4.943–12.85median of 2 measurements | - | DFT · PBEsol | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 4.906 | - | DFT · OptB88vdW | ||
| ↳ | 4.226 | - | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00213 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000757 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -206.2 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 455.3 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 33.11 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.4323 | 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