NpOs2 — Properties & Data | MatWorld

NpOs2

ceramic

· JVASP-16599· NpOs2

NpOs₂ is a neptunium oxide ceramic compound belonging to the actinide oxide family, characterized by a very high density and stiff elastic response. This material is primarily of research and nuclear materials science interest rather than commercial production, used in fundamental studies of actinide chemistry, nuclear fuel behavior, and extreme-condition material characterization. Engineers and materials scientists would select this compound for specialized nuclear applications, theoretical modeling of actinide ceramics, or investigations into the material properties of transuranium elements under demanding conditions.

nuclear materials researchactinide chemistry studieshigh-density ceramicsfuel form evaluationradiation tolerance assessmentextreme-condition material testing

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	253.5	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4800	-	DFT · OptB88vdW
Shear Modulus(G)	8.240	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	19.45	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)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000223	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000234	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	14.33	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	14.65	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)	0.1023	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.00572	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.

NpOs2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental