Li4NpO5
ceramic· JVASP-10487· Li4NpO5
Li4NpO5 is a mixed-valence ceramic compound containing lithium, neptunium, and oxygen, belonging to the actinide oxide family. This is primarily a research material studied for nuclear fuel chemistry and actinide material science rather than a commercial engineering ceramic. The compound is notable within the nuclear materials community for understanding neptunium oxidation states and solid-state chemistry relevant to legacy nuclear fuel reprocessing and disposal strategies.
nuclear fuel researchactinide material sciencelegacy fuel characterizationhigh-temperature ceramic chemistrynuclear waste immobilization studies
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2094 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.6700 | eV | — | ||
Magnetic Moment(μB) | 1.000 | µB | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -2.680 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
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.