NpAs2 — Properties & Data | MatWorld

NpAs2

ceramic

· JVASP-17534· NpAs2

NpAs₂ is a ceramic compound belonging to the neptunium arsenide family, representing a specialized intermetallic ceramic with potential applications in nuclear materials science and high-performance structural applications. This material is primarily of research and developmental interest rather than widespread industrial use, studied for its mechanical properties and behavior under extreme conditions relevant to nuclear fuel cycles and advanced material systems. Engineers would consider this compound in contexts requiring materials that combine ceramic-like rigidity with the density and nuclear properties associated with actinide-bearing systems, though practical applications remain limited to specialized nuclear and defense research programs.

nuclear materials researchactinide compoundshigh-density ceramicsextreme environment applicationsmaterials characterization studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	91.38	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	56.49	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	10.01	kg/m³	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)	5.903	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000366	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000354	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-30.42	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-29.94	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)	-0.6908	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.

NpAs2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental