BeNiBi₂ is an intermetallic compound composed of beryllium, nickel, and bismuth, belonging to the class of ternary metal systems. This is a research-phase material with limited industrial deployment; it represents exploration within the beryllium-nickel alloy family for potential structural or functional applications where unusual elastic properties may be advantageous. The notably negative Poisson's ratio suggests auxetic behavior—a rare characteristic where the material expands laterally under tension—making it of scientific interest for specialized damping, acoustic, or load-distribution applications.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 31.29 | GPa | — | ||
Poisson's Ratio(ν) | -0.7900 | - | — | ||
Shear Modulus(G) | 8.260 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 9.858 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.7966 | eV/atom | — | ||
Formation Energy(ΔHf) | 0.5629 | eV/atom | — |