NpGa2 — Properties & Data | MatWorld

NpGa2

ceramic

· JVASP-13755· NpGa2

NpGa₂ is an intermetallic ceramic compound composed of neptunium and gallium, belonging to the family of actinide-based ceramics. This material is primarily of research and nuclear science interest rather than conventional engineering use, studied for its structural and thermal properties in specialized nuclear fuel or nuclear materials applications. Its notable characteristics within actinide metallurgy make it relevant for investigating phase behavior, crystal chemistry, and property relationships in neptunium-containing systems.

nuclear materials researchactinide compound studyphase diagram developmentspecialized ceramics researchmaterials characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3939	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	3.896	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000791	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000809	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	16.47	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	16.65	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)	0.02220	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.2510	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.

NpGa2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental