NpMn2 — Properties & Data | MatWorld

NpMn2

metal

· JVASP-20475· NpMn2

NpMn2 is an intermetallic compound containing neptunium and manganese, representing a rare-earth transition metal system studied primarily in materials research rather than established industrial production. This compound belongs to the family of actinide-based intermetallics, which are of significant interest for understanding fundamental physics of actinide behavior, magnetic properties, and potential applications in specialized nuclear or high-performance environments where conventional metals are unsuitable.

actinide research and developmentmagnetic material studiesnuclear materials characterizationfundamental condensed matter physicsspecialized metallurgical researchhigh-density applications (research phase)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.5042	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.00200	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000301	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000296	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	11.75	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	11.65	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)	0.1438	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.03579	eV/atom	DFT · OptB88vdW

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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.

NpMn2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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