NpIn3

ceramic

· JVASP-18112· NpIn3

NpIn3 is an intermetallic ceramic compound composed of neptunium and indium, representing a specialized material from the actinide-based ceramics family. This is primarily a research and experimental material studied for its structural and physical properties rather than a widely commercialized engineering ceramic. The material's potential applications lie in advanced nuclear fuel systems, high-temperature structural components, and fundamental materials science research into actinide behavior, where its mechanical stability and density make it relevant for extreme-environment or specialized nuclear applications.

advanced nuclear materials researchactinide compound studieshigh-density structural ceramicsexperimental refractory applicationsnuclear fuel developmentmaterials science investigation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	9,249.1	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2600	-	DFT · OptB88vdW
Shear Modulus(G)	5,566.5	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3490	lb/in³	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)	4.248	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000127	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000117	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-9.680	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-9.320	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)	-0.08967	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.

NpIn3 — Properties & Data | MatWorld

NpIn3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental