NpH2 — Properties & Data | MatWorld

NpH2

ceramic

· JVASP-18395· NpH2

NpH₂ is a metal hydride ceramic compound based on neptunium, belonging to the actinide hydride family. This material is primarily of research and nuclear materials significance rather than commercial engineering use, with applications concentrated in nuclear fuel chemistry, actinide behavior studies, and advanced nuclear materials development. Its selection would be driven by specialized nuclear research contexts where understanding actinide hydride properties is critical for fuel cycle management or fundamental materials science.

nuclear fuel researchactinide materials studiesadvanced nuclear chemistryexperimental materials sciencenuclear waste characterizationhigh-density ceramic compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	11.06	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)	3.930	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000707	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000700	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	7.110	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	7.070	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)	0.06760	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.2671	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.

NpH2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental