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
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 21,014.5 | ksi | — | ||
Poisson's Ratio(ν) | 0.3500 | - | — | ||
Shear Modulus(G) | 5,927.7 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.3039 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
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
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
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.