NpAu3 — Properties & Data | MatWorld

NpAu3

metal

· JVASP-41011· NpAu3

NpAu3 is an intermetallic compound combining neptunium and gold, belonging to the actinide-precious metal alloy family. This material is primarily of scientific and research interest rather than established industrial use, studied for its unique electronic and structural properties at the intersection of actinide metallurgy and gold-based intermetallics. Engineers and materials researchers may investigate NpAu3 in specialized nuclear materials programs, fundamental solid-state physics studies, or advanced alloy development where actinide-containing systems with exceptional density and potential high-temperature stability are relevant.

actinide research alloysintermetallic compoundsnuclear materials scienceexperimental metallurgyhigh-density alloy systemssolid-state physics studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	16.40	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	3.959	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000947	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000975	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-16.60	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-16.86	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)	-0.3144	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

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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.

NpAu3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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