NpSi₂Ni₂ is an intermetallic compound combining neptunium, silicon, and nickel elements, representing an experimental or specialized research material rather than a broadly commercialized alloy. This material falls within the family of ternary intermetallics and actinide-based compounds, which are primarily of scientific interest for understanding phase behavior, crystal structure, and properties in systems containing transuranium elements. Applications are limited to nuclear materials research, fundamental solid-state physics studies, and specialized nuclear fuel or reactor-related investigations where neptunium-based phases may be relevant to fuel chemistry or material compatibility.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 23,168.3 | ksi | — | ||
Poisson's Ratio(ν) | 0.3400 | - | — | ||
Shear Modulus(G) | 8,509.4 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.3357 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.05700 | µB | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.4217 | eV/atom | — |