NpSeO — Properties & Data | MatWorld

NpSeO

ceramic

· JVASP-35019· NpSeO

NpSeO is a neptunium selenide oxide ceramic compound, representing a specialized actinide-based ceramic material primarily encountered in nuclear materials research and fundamental materials science. This compound belongs to the family of actinide chalcogenides and is studied for its structural, thermal, and radiation response properties relevant to nuclear fuel behavior and actinide chemistry. As an experimental material rather than a commercial product, NpSeO serves primarily as a research reference compound for understanding how neptunium-bearing ceramics respond to extreme conditions and chemical environments typical of advanced nuclear fuel cycles.

nuclear fuel researchactinide materials characterizationradiation damage studiesadvanced nuclear cycleshigh-temperature ceramics testingmaterials database reference

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	10.51	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	6.001	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000171	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000169	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-3.267	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-3.540	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)	-2.465	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.

NpSeO

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental