RbMgH₂ is an ionic metal hydride ceramic compound combining rubidium, magnesium, and hydrogen, belonging to the perovskite-derived hydride family. This material is primarily of research interest for hydrogen storage and solid-state energy applications, where metal hydrides are investigated as potential candidates for safe hydrogen containment and release in fuel cell systems and energy storage devices. While not yet in widespread industrial production, RbMgH₂ represents the broader class of complex metal hydrides that continue to be explored as alternatives to conventional storage methods due to their high volumetric hydrogen density and potential for reversible hydrogen cycling.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 22.90 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2700 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 13.12 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.521 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.2967 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.01220 | 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