NpAl3

metal
· JVASP-14963· NpAl3

NpAl3 is an intermetallic compound in the neptunium-aluminum system, belonging to a family of actinide-based metallic materials primarily explored in nuclear materials science and fundamental research. This compound and related neptunium intermetallics are investigated for understanding phase relationships, structural stability, and physical properties of actinide metals rather than for mainstream engineering applications. Engineers and materials researchers encounter NpAl3 in specialized nuclear research contexts, where characterizing actinide metallurgy informs fundamental nuclear fuel behavior, advanced reactor designs, and materials compatibility studies in extreme nuclear environments.

nuclear materials researchactinide metallurgy studiesphase diagram characterizationfundamental materials sciencenuclear fuel developmentadvanced reactor design support

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
81.90
GPa
Poisson's Ratio(ν)
0.1800
-
Shear Modulus(G)
67.80
GPa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
6.775
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV
Magnetic Moment(μB)
3.965
µB
Seebeck Coefficient(S)
18.67
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-0.2020
eV/atom
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.