NpSiO3 — Properties & Data | MatWorld

NpSiO3

ceramic

· NpSiO3

NpSiO3 is a silicate ceramic compound containing neptunium, a synthetic actinide element. This material belongs to the family of actinide silicates and exists primarily in research and nuclear waste management contexts rather than mainstream engineering applications. The compound is of scientific interest for understanding actinide chemistry, nuclear fuel forms, and the immobilization of neptunium in solid matrices—a key concern in nuclear fuel reprocessing and long-term radioactive waste storage strategies.

nuclear waste immobilizationactinide material researchfuel cycle chemistryradioactive material containmentgeological repository materials

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Filter by

Method

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · PBE
Magnetic Moment(μB)	0.8860	μB	DFT

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.702	eV/atom	DFT

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

NpSiO3

Electrical Properties

Other Properties

Regulatory Screening

Environmental