NpNi5 is an intermetallic compound combining neptunium and nickel, representing a specialized actinide-based metallic material primarily of scientific and research interest rather than established commercial use. This material belongs to the family of actinide intermetallics and is studied for its unique electronic and mechanical properties, which differ significantly from conventional engineering alloys. Research on NpNi5 contributes to understanding actinide metallurgy and intermetallic phase behavior, with potential relevance to advanced nuclear fuel cycles and specialized high-performance applications requiring exceptional density and stiffness, though practical engineering adoption remains limited due to actinide handling requirements and regulatory constraints.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 179.5 | GPa | — | ||
Poisson's Ratio(ν) | 0.3200 | - | — | ||
Shear Modulus(G) | 74.84 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 11.16 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.00700 | µB | — | ||
Seebeck Coefficient(S) | 2.830 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.1255 | eV/atom | — |