NpCr2Si2

metal
· JVASP-4774· NpCr2Si2

NpCr₂Si₂ is an intermetallic compound combining neptunium, chromium, and silicon, belonging to the rare earth and actinide silicide family. This material is primarily a research-phase compound studied for its potential in advanced nuclear applications and high-temperature structural uses where exceptional stiffness and thermal stability are required. The inclusion of neptunium (a transuranic element) limits its practical deployment to specialized nuclear research facilities and theoretical materials development programs rather than conventional industrial manufacturing.

nuclear fuel cladding researchactinide metallurgy studieshigh-temperature structural materialsadvanced reactor conceptsmaterials science researchrefractory intermetallics

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
144.9
GPa
Poisson's Ratio(ν)
0.3500
-
Shear Modulus(G)
40.87
GPa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
8.412
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV
Magnetic Moment(μB)
3.988
µB
Seebeck Coefficient(S)
-30.02
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.1157
eV/atom
Formation Energy(ΔHf)
-0.1724
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.