Sm3Np — Properties & Data | MatWorld

Sm3Np

ceramic

· JVASP-36054· Sm3Np

Sm₃Np is a ceramic compound composed of samarium and neptunium, representing an actinide-bearing ceramic material studied primarily in nuclear materials research and fuel development contexts. This material falls within the family of actinide ceramics explored for advanced nuclear fuel forms and waste management applications, where it serves as a model compound for understanding actinide behavior in ceramic matrices. The material is notable for its potential use in next-generation nuclear fuel systems and as a research vehicle for characterizing the physical properties of transuranium compounds in stable ceramic phases.

advanced nuclear fuel developmentactinide materials researchnuclear waste form evaluationtransuranium compound studieshigh-density ceramic matricesfundamental actinide chemistry

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	39.90	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)	21.90	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	9.331	kg/m³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	4.777	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000404	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000400	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-17.49	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-17.42	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)	0.3713	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.2903	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.

Sm3Np

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental