NpAl8Fe4 is an intermetallic compound combining neptunium, aluminum, and iron, belonging to a family of rare-earth and actinide-based metallic systems typically explored in advanced materials research. This material represents an experimental composition studied for its potential in high-performance structural and functional applications where unusual electronic or magnetic properties derived from actinide chemistry might provide advantages over conventional alloys. Due to the presence of neptunium, practical applications are limited to specialized research, nuclear materials science, or defense-related contexts where such exotic compositions justify the handling complexities and regulatory constraints.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 20,042.8 | ksi | — | ||
Poisson's Ratio(ν) | 0.2500 | - | — | ||
Shear Modulus(G) | 12,283.2 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2185 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Seebeck Coefficient(S) | 44.09 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.08590 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.2471 | eV/atom | — |