NpN2 — Properties & Data | MatWorld

NpN2

ceramic

· JVASP-36250· NpN2

NpN₂ is a ceramic compound in the nitride family, combining neptunium with nitrogen to form a refractory ceramic material. This is a specialized research compound used primarily in nuclear materials science and actinide chemistry studies, where its high density and structural rigidity make it relevant for understanding extreme-condition behavior of transuranium compounds. Its selection would be driven by research applications requiring actinide-bearing ceramics rather than conventional industrial processes.

nuclear materials researchactinide chemistryrefractory ceramicshigh-density ceramicsmaterials characterization studiestheoretical modeling validation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	246.8	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3200	-	DFT · OptB88vdW
Shear Modulus(G)	108.7	GPa	DFT · OptB88vdW

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Property	Value	Unit	Conditions	Source
Density(ρ)	12.26	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.6040	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	129.2	-	DFT · TBmBJ
Magnetic Moment(μB)	1.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00126	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00126	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-40.48	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-40.51	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	19.54	%	DFT · TBmBJ

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)	-1.302	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.

NpN2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental