NpSn3 — Properties & Data | MatWorld

NpSn3

ceramic

· JVASP-19877· NpSn3

NpSn3 is an intermetallic ceramic compound combining neptunium and tin in a 1:3 stoichiometric ratio, belonging to the rare-earth and actinide intermetallic family. This material is primarily of research interest in nuclear materials science and advanced ceramics, where neptunium-based compounds are investigated for potential applications in nuclear fuel forms, radiation shielding, and high-temperature structural applications in specialized nuclear environments. NpSn3 represents an experimental composition with limited industrial deployment; its significance lies in understanding actinide chemistry and developing next-generation nuclear materials with enhanced thermal and mechanical stability in extreme conditions.

nuclear fuel researchactinide materials scienceadvanced ceramics developmentradiation shielding studieshigh-temperature nuclear applicationsmaterials characterization for research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	64.07	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	29.44	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	9.704	kg/m³	DFT · OptB88vdW

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Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	4.038	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00299	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00293	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-46.98	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-46.70	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.2151	eV/atom	DFT · OptB88vdW

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.

NpSn3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental