NpCo2 — Properties & Data | MatWorld

NpCo2

metal

· JVASP-14649· NpCo2

NpCo₂ is an intermetallic compound composed of neptunium and cobalt, belonging to the family of actinide-based metallic materials. This is a research-phase material studied primarily in nuclear materials science and fundamental metallurgy rather than established in mainstream engineering applications. The compound represents exploration into actinide intermetallics for understanding phase behavior, magnetic properties, and structural characteristics relevant to advanced nuclear fuel cycles and actinide material behavior under extreme conditions.

nuclear materials researchactinide metallurgyfundamental phase studieshigh-density materials explorationlaboratory characterizationmaterials science databases

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	204.6	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4800	-	DFT · OptB88vdW
Shear Modulus(G)	19.78	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	14.68	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000741	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000731	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-22.71	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-22.57	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)	-0.2065	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.

NpCo2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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