Li₁Al₂Ir₁ is an intermetallic compound combining lithium, aluminum, and iridium—a research-phase material that belongs to the family of lightweight metallic intermetallics with potential for high-temperature structural applications. This compound is largely experimental rather than established in production; intermetallics of this type are investigated for aerospace and advanced energy applications where the combination of low density (from lithium and aluminum) and refractory stability (from iridium) could enable performance gains over conventional alloys. Engineers would consider such materials in early-stage projects targeting extreme-environment components where weight reduction and thermal resistance justify the material development and processing complexity.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 19,734.9 | ksi | — | ||
Shear Modulus(G) | 10,787.9 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.06270 | eV | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | -0.7760 | eV/atom | — |