Ba₄YO₈ is a rare-earth barium yttrium oxide ceramic compound belonging to the family of mixed-metal oxides with potential applications in high-temperature and electrochemical systems. This material is primarily explored in research contexts for thermal barrier coatings, solid-state electrolytes, and advanced refractory applications where chemical stability and thermal properties are critical. Its layered crystal structure and rare-earth doping make it of particular interest for solid oxide fuel cell (SOFC) electrolytes and other ionic-conductor applications where yttrium-containing ceramics offer advantages over conventional stabilized zirconia systems.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 3,006.6 | ksi | — | ||
Shear Modulus(G) | -1,024 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2248 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.3820 | µB | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 1.303 | eV/atom | — | ||
Formation Energy(ΔHf) | 1.178 | eV/atom | — |