NpMn₂Si₂ is an intermetallic compound combining neptunium, manganese, and silicon in a defined stoichiometric ratio. This is a specialized research material belonging to the family of neptunium-based intermetallics, studied primarily in nuclear materials science and solid-state physics for understanding actinide metallurgy and magnetic properties at the fundamental level. Industrial applications are extremely limited due to neptunium's restricted availability and high radiotoxicity; research interest centers on phase stability, thermal properties, and potential applications in advanced nuclear fuel cycles or specialized high-performance environments where actinide materials are justified.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 160.6 | GPa | — | ||
Shear Modulus(G) | -21.57 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 8.915 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 3.290 | µB | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1151 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.2150 | eV/atom | — |